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-rw-r--r--drivers/acpi/Makefile5
-rw-r--r--drivers/acpi/ac.c33
-rw-r--r--drivers/acpi/acpi_cmos_rtc.c92
-rw-r--r--drivers/acpi/acpi_lpss.c170
-rw-r--r--drivers/acpi/acpi_memhotplug.c62
-rw-r--r--drivers/acpi/acpi_processor.c494
-rw-r--r--drivers/acpi/acpica/Makefile4
-rw-r--r--drivers/acpi/acpica/acglobal.h6
-rw-r--r--drivers/acpi/acpica/aclocal.h17
-rw-r--r--drivers/acpi/acpica/acmacros.h10
-rw-r--r--drivers/acpi/acpica/acnamesp.h43
-rw-r--r--drivers/acpi/acpica/acpredef.h4
-rw-r--r--drivers/acpi/acpica/acstruct.h40
-rw-r--r--drivers/acpi/acpica/acutils.h50
-rw-r--r--drivers/acpi/acpica/dscontrol.c4
-rw-r--r--drivers/acpi/acpica/dsfield.c4
-rw-r--r--drivers/acpi/acpica/dsinit.c1
-rw-r--r--drivers/acpi/acpica/dsmthdat.c2
-rw-r--r--drivers/acpi/acpica/dsobject.c3
-rw-r--r--drivers/acpi/acpica/dsopcode.c1
-rw-r--r--drivers/acpi/acpica/dsutils.c5
-rw-r--r--drivers/acpi/acpica/dswexec.c3
-rw-r--r--drivers/acpi/acpica/dswload.c7
-rw-r--r--drivers/acpi/acpica/dswload2.c4
-rw-r--r--drivers/acpi/acpica/evglock.c1
-rw-r--r--drivers/acpi/acpica/evgpe.c7
-rw-r--r--drivers/acpi/acpica/evgpeblk.c2
-rw-r--r--drivers/acpi/acpica/evgpeinit.c3
-rw-r--r--drivers/acpi/acpica/evhandler.c7
-rw-r--r--drivers/acpi/acpica/evmisc.c3
-rw-r--r--drivers/acpi/acpica/evregion.c63
-rw-r--r--drivers/acpi/acpica/evrgnini.c2
-rw-r--r--drivers/acpi/acpica/evxfgpe.c3
-rw-r--r--drivers/acpi/acpica/evxfregn.c1
-rw-r--r--drivers/acpi/acpica/exconfig.c3
-rw-r--r--drivers/acpi/acpica/exconvrt.c13
-rw-r--r--drivers/acpi/acpica/excreate.c3
-rw-r--r--drivers/acpi/acpica/exdebug.c2
-rw-r--r--drivers/acpi/acpica/exdump.c2
-rw-r--r--drivers/acpi/acpica/exfield.c4
-rw-r--r--drivers/acpi/acpica/exfldio.c2
-rw-r--r--drivers/acpi/acpica/exmisc.c12
-rw-r--r--drivers/acpi/acpica/exoparg1.c16
-rw-r--r--drivers/acpi/acpica/exoparg2.c1
-rw-r--r--drivers/acpi/acpica/exoparg3.c1
-rw-r--r--drivers/acpi/acpica/exoparg6.c5
-rw-r--r--drivers/acpi/acpica/exprep.c7
-rw-r--r--drivers/acpi/acpica/exregion.c27
-rw-r--r--drivers/acpi/acpica/exresnte.c1
-rw-r--r--drivers/acpi/acpica/exresolv.c6
-rw-r--r--drivers/acpi/acpica/exresop.c9
-rw-r--r--drivers/acpi/acpica/exstore.c4
-rw-r--r--drivers/acpi/acpica/exstoren.c4
-rw-r--r--drivers/acpi/acpica/hwacpi.c2
-rw-r--r--drivers/acpi/acpica/hwgpe.c3
-rw-r--r--drivers/acpi/acpica/hwregs.c4
-rw-r--r--drivers/acpi/acpica/hwxface.c9
-rw-r--r--drivers/acpi/acpica/hwxfsleep.c12
-rw-r--r--drivers/acpi/acpica/nsaccess.c1
-rw-r--r--drivers/acpi/acpica/nsarguments.c294
-rw-r--r--drivers/acpi/acpica/nsconvert.c3
-rw-r--r--drivers/acpi/acpica/nsdump.c10
-rw-r--r--drivers/acpi/acpica/nseval.c247
-rw-r--r--drivers/acpi/acpica/nsinit.c16
-rw-r--r--drivers/acpi/acpica/nspredef.c216
-rw-r--r--drivers/acpi/acpica/nsprepkg.c81
-rw-r--r--drivers/acpi/acpica/nsrepair.c51
-rw-r--r--drivers/acpi/acpica/nsrepair2.c358
-rw-r--r--drivers/acpi/acpica/nsutils.c3
-rw-r--r--drivers/acpi/acpica/nsxfeval.c163
-rw-r--r--drivers/acpi/acpica/psargs.c4
-rw-r--r--drivers/acpi/acpica/psloop.c2
-rw-r--r--drivers/acpi/acpica/psobject.c1
-rw-r--r--drivers/acpi/acpica/psparse.c3
-rw-r--r--drivers/acpi/acpica/pstree.c2
-rw-r--r--drivers/acpi/acpica/psxface.c14
-rw-r--r--drivers/acpi/acpica/rscalc.c7
-rw-r--r--drivers/acpi/acpica/rscreate.c27
-rw-r--r--drivers/acpi/acpica/rsdump.c10
-rw-r--r--drivers/acpi/acpica/rsmisc.c3
-rw-r--r--drivers/acpi/acpica/rsutils.c7
-rw-r--r--drivers/acpi/acpica/rsxface.c1
-rw-r--r--drivers/acpi/acpica/tbinstal.c7
-rw-r--r--drivers/acpi/acpica/tbprint.c237
-rw-r--r--drivers/acpi/acpica/tbutils.c191
-rw-r--r--drivers/acpi/acpica/tbxfload.c25
-rw-r--r--drivers/acpi/acpica/utbuffer.c201
-rw-r--r--drivers/acpi/acpica/utcopy.c11
-rw-r--r--drivers/acpi/acpica/utdebug.c148
-rw-r--r--drivers/acpi/acpica/utdelete.c3
-rw-r--r--drivers/acpi/acpica/uterror.c289
-rw-r--r--drivers/acpi/acpica/uteval.c9
-rw-r--r--drivers/acpi/acpica/utexcep.c1
-rw-r--r--drivers/acpi/acpica/utids.c3
-rw-r--r--drivers/acpi/acpica/utmisc.c2
-rw-r--r--drivers/acpi/acpica/utobject.c5
-rw-r--r--drivers/acpi/acpica/utpredef.c16
-rw-r--r--drivers/acpi/acpica/utstring.c19
-rw-r--r--drivers/acpi/acpica/uttrack.c8
-rw-r--r--drivers/acpi/acpica/utxferror.c234
-rw-r--r--drivers/acpi/apei/cper.c18
-rw-r--r--drivers/acpi/apei/einj.c39
-rw-r--r--drivers/acpi/apei/erst.c20
-rw-r--r--drivers/acpi/apei/ghes.c11
-rw-r--r--drivers/acpi/battery.c18
-rw-r--r--drivers/acpi/bus.c17
-rw-r--r--drivers/acpi/csrt.c159
-rw-r--r--drivers/acpi/device_pm.c326
-rw-r--r--drivers/acpi/dock.c181
-rw-r--r--drivers/acpi/ec.c8
-rw-r--r--drivers/acpi/ec_sys.c18
-rw-r--r--drivers/acpi/glue.c12
-rw-r--r--drivers/acpi/internal.h16
-rw-r--r--drivers/acpi/osl.c27
-rw-r--r--drivers/acpi/pci_root.c4
-rw-r--r--drivers/acpi/power.c1
-rw-r--r--drivers/acpi/processor_driver.c822
-rw-r--r--drivers/acpi/processor_idle.c29
-rw-r--r--drivers/acpi/processor_perflib.c4
-rw-r--r--drivers/acpi/resource.c16
-rw-r--r--drivers/acpi/scan.c213
-rw-r--r--drivers/acpi/sleep.c2
-rw-r--r--drivers/acpi/sysfs.c31
-rw-r--r--drivers/acpi/video.c24
-rw-r--r--drivers/acpi/video_detect.c8
125 files changed, 3706 insertions, 2559 deletions
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index ecb743bf05a..81dbeb83bb4 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -24,7 +24,7 @@ acpi-y += nvs.o
# Power management related files
acpi-y += wakeup.o
acpi-y += sleep.o
-acpi-$(CONFIG_PM) += device_pm.o
+acpi-y += device_pm.o
acpi-$(CONFIG_ACPI_SLEEP) += proc.o
@@ -34,16 +34,17 @@ acpi-$(CONFIG_ACPI_SLEEP) += proc.o
acpi-y += bus.o glue.o
acpi-y += scan.o
acpi-y += resource.o
+acpi-y += acpi_processor.o
acpi-y += processor_core.o
acpi-y += ec.o
acpi-$(CONFIG_ACPI_DOCK) += dock.o
acpi-y += pci_root.o pci_link.o pci_irq.o
-acpi-y += csrt.o
acpi-$(CONFIG_X86_INTEL_LPSS) += acpi_lpss.o
acpi-y += acpi_platform.o
acpi-y += power.o
acpi-y += event.o
acpi-y += sysfs.o
+acpi-$(CONFIG_X86) += acpi_cmos_rtc.o
acpi-$(CONFIG_DEBUG_FS) += debugfs.o
acpi-$(CONFIG_ACPI_NUMA) += numa.o
acpi-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 00d2efd674d..4f4e741d34b 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -28,6 +28,8 @@
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/types.h>
+#include <linux/dmi.h>
+#include <linux/delay.h>
#ifdef CONFIG_ACPI_PROCFS_POWER
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
@@ -74,6 +76,8 @@ static int acpi_ac_resume(struct device *dev);
#endif
static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
+static int ac_sleep_before_get_state_ms;
+
static struct acpi_driver acpi_ac_driver = {
.name = "ac",
.class = ACPI_AC_CLASS,
@@ -252,6 +256,16 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event)
case ACPI_AC_NOTIFY_STATUS:
case ACPI_NOTIFY_BUS_CHECK:
case ACPI_NOTIFY_DEVICE_CHECK:
+ /*
+ * A buggy BIOS may notify AC first and then sleep for
+ * a specific time before doing actual operations in the
+ * EC event handler (_Qxx). This will cause the AC state
+ * reported by the ACPI event to be incorrect, so wait for a
+ * specific time for the EC event handler to make progress.
+ */
+ if (ac_sleep_before_get_state_ms > 0)
+ msleep(ac_sleep_before_get_state_ms);
+
acpi_ac_get_state(ac);
acpi_bus_generate_proc_event(device, event, (u32) ac->state);
acpi_bus_generate_netlink_event(device->pnp.device_class,
@@ -264,6 +278,24 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event)
return;
}
+static int thinkpad_e530_quirk(const struct dmi_system_id *d)
+{
+ ac_sleep_before_get_state_ms = 1000;
+ return 0;
+}
+
+static struct dmi_system_id ac_dmi_table[] = {
+ {
+ .callback = thinkpad_e530_quirk,
+ .ident = "thinkpad e530",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "32597CG"),
+ },
+ },
+ {},
+};
+
static int acpi_ac_add(struct acpi_device *device)
{
int result = 0;
@@ -312,6 +344,7 @@ static int acpi_ac_add(struct acpi_device *device)
kfree(ac);
}
+ dmi_check_system(ac_dmi_table);
return result;
}
diff --git a/drivers/acpi/acpi_cmos_rtc.c b/drivers/acpi/acpi_cmos_rtc.c
new file mode 100644
index 00000000000..84190ed89c0
--- /dev/null
+++ b/drivers/acpi/acpi_cmos_rtc.c
@@ -0,0 +1,92 @@
+/*
+ * ACPI support for CMOS RTC Address Space access
+ *
+ * Copyright (C) 2013, Intel Corporation
+ * Authors: Lan Tianyu <tianyu.lan@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <asm-generic/rtc.h>
+
+#include "internal.h"
+
+#define PREFIX "ACPI: "
+
+ACPI_MODULE_NAME("cmos rtc");
+
+static const struct acpi_device_id acpi_cmos_rtc_ids[] = {
+ { "PNP0B00" },
+ { "PNP0B01" },
+ { "PNP0B02" },
+ {}
+};
+
+static acpi_status
+acpi_cmos_rtc_space_handler(u32 function, acpi_physical_address address,
+ u32 bits, u64 *value64,
+ void *handler_context, void *region_context)
+{
+ int i;
+ u8 *value = (u8 *)&value64;
+
+ if (address > 0xff || !value64)
+ return AE_BAD_PARAMETER;
+
+ if (function != ACPI_WRITE && function != ACPI_READ)
+ return AE_BAD_PARAMETER;
+
+ spin_lock_irq(&rtc_lock);
+
+ for (i = 0; i < DIV_ROUND_UP(bits, 8); ++i, ++address, ++value)
+ if (function == ACPI_READ)
+ *value = CMOS_READ(address);
+ else
+ CMOS_WRITE(*value, address);
+
+ spin_unlock_irq(&rtc_lock);
+
+ return AE_OK;
+}
+
+static int acpi_install_cmos_rtc_space_handler(struct acpi_device *adev,
+ const struct acpi_device_id *id)
+{
+ acpi_status status;
+
+ status = acpi_install_address_space_handler(adev->handle,
+ ACPI_ADR_SPACE_CMOS,
+ &acpi_cmos_rtc_space_handler,
+ NULL, NULL);
+ if (ACPI_FAILURE(status)) {
+ pr_err(PREFIX "Error installing CMOS-RTC region handler\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static void acpi_remove_cmos_rtc_space_handler(struct acpi_device *adev)
+{
+ if (ACPI_FAILURE(acpi_remove_address_space_handler(adev->handle,
+ ACPI_ADR_SPACE_CMOS, &acpi_cmos_rtc_space_handler)))
+ pr_err(PREFIX "Error removing CMOS-RTC region handler\n");
+}
+
+static struct acpi_scan_handler cmos_rtc_handler = {
+ .ids = acpi_cmos_rtc_ids,
+ .attach = acpi_install_cmos_rtc_space_handler,
+ .detach = acpi_remove_cmos_rtc_space_handler,
+};
+
+void __init acpi_cmos_rtc_init(void)
+{
+ acpi_scan_add_handler(&cmos_rtc_handler);
+}
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index b1c95422ce7..6a382188fa2 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -32,12 +32,31 @@ ACPI_MODULE_NAME("acpi_lpss");
#define LPSS_GENERAL_LTR_MODE_SW BIT(2)
#define LPSS_SW_LTR 0x10
#define LPSS_AUTO_LTR 0x14
+#define LPSS_TX_INT 0x20
+#define LPSS_TX_INT_MASK BIT(1)
+
+struct lpss_shared_clock {
+ const char *name;
+ unsigned long rate;
+ struct clk *clk;
+};
+
+struct lpss_private_data;
struct lpss_device_desc {
bool clk_required;
- const char *clk_parent;
+ const char *clkdev_name;
bool ltr_required;
unsigned int prv_offset;
+ size_t prv_size_override;
+ bool clk_gate;
+ struct lpss_shared_clock *shared_clock;
+ void (*setup)(struct lpss_private_data *pdata);
+};
+
+static struct lpss_device_desc lpss_dma_desc = {
+ .clk_required = true,
+ .clkdev_name = "hclk",
};
struct lpss_private_data {
@@ -47,29 +66,97 @@ struct lpss_private_data {
const struct lpss_device_desc *dev_desc;
};
+static void lpss_uart_setup(struct lpss_private_data *pdata)
+{
+ unsigned int tx_int_offset = pdata->dev_desc->prv_offset + LPSS_TX_INT;
+ u32 reg;
+
+ reg = readl(pdata->mmio_base + tx_int_offset);
+ writel(reg | LPSS_TX_INT_MASK, pdata->mmio_base + tx_int_offset);
+}
+
static struct lpss_device_desc lpt_dev_desc = {
.clk_required = true,
- .clk_parent = "lpss_clk",
.prv_offset = 0x800,
.ltr_required = true,
+ .clk_gate = true,
+};
+
+static struct lpss_device_desc lpt_uart_dev_desc = {
+ .clk_required = true,
+ .prv_offset = 0x800,
+ .ltr_required = true,
+ .clk_gate = true,
+ .setup = lpss_uart_setup,
};
static struct lpss_device_desc lpt_sdio_dev_desc = {
.prv_offset = 0x1000,
+ .prv_size_override = 0x1018,
.ltr_required = true,
};
+static struct lpss_shared_clock uart_clock = {
+ .name = "uart_clk",
+ .rate = 44236800,
+};
+
+static struct lpss_device_desc byt_uart_dev_desc = {
+ .clk_required = true,
+ .prv_offset = 0x800,
+ .clk_gate = true,
+ .shared_clock = &uart_clock,
+ .setup = lpss_uart_setup,
+};
+
+static struct lpss_shared_clock spi_clock = {
+ .name = "spi_clk",
+ .rate = 50000000,
+};
+
+static struct lpss_device_desc byt_spi_dev_desc = {
+ .clk_required = true,
+ .prv_offset = 0x400,
+ .clk_gate = true,
+ .shared_clock = &spi_clock,
+};
+
+static struct lpss_device_desc byt_sdio_dev_desc = {
+ .clk_required = true,
+};
+
+static struct lpss_shared_clock i2c_clock = {
+ .name = "i2c_clk",
+ .rate = 100000000,
+};
+
+static struct lpss_device_desc byt_i2c_dev_desc = {
+ .clk_required = true,
+ .prv_offset = 0x800,
+ .shared_clock = &i2c_clock,
+};
+
static const struct acpi_device_id acpi_lpss_device_ids[] = {
+ /* Generic LPSS devices */
+ { "INTL9C60", (unsigned long)&lpss_dma_desc },
+
/* Lynxpoint LPSS devices */
{ "INT33C0", (unsigned long)&lpt_dev_desc },
{ "INT33C1", (unsigned long)&lpt_dev_desc },
{ "INT33C2", (unsigned long)&lpt_dev_desc },
{ "INT33C3", (unsigned long)&lpt_dev_desc },
- { "INT33C4", (unsigned long)&lpt_dev_desc },
- { "INT33C5", (unsigned long)&lpt_dev_desc },
+ { "INT33C4", (unsigned long)&lpt_uart_dev_desc },
+ { "INT33C5", (unsigned long)&lpt_uart_dev_desc },
{ "INT33C6", (unsigned long)&lpt_sdio_dev_desc },
{ "INT33C7", },
+ /* BayTrail LPSS devices */
+ { "80860F0A", (unsigned long)&byt_uart_dev_desc },
+ { "80860F0E", (unsigned long)&byt_spi_dev_desc },
+ { "80860F14", (unsigned long)&byt_sdio_dev_desc },
+ { "80860F41", (unsigned long)&byt_i2c_dev_desc },
+ { "INT33B2", },
+
{ }
};
@@ -91,22 +178,52 @@ static int register_device_clock(struct acpi_device *adev,
struct lpss_private_data *pdata)
{
const struct lpss_device_desc *dev_desc = pdata->dev_desc;
+ struct lpss_shared_clock *shared_clock = dev_desc->shared_clock;
+ struct clk *clk = ERR_PTR(-ENODEV);
+ struct lpss_clk_data *clk_data;
+ const char *parent;
if (!lpss_clk_dev)
lpt_register_clock_device();
- if (!dev_desc->clk_parent || !pdata->mmio_base
+ clk_data = platform_get_drvdata(lpss_clk_dev);
+ if (!clk_data)
+ return -ENODEV;
+
+ if (dev_desc->clkdev_name) {
+ clk_register_clkdev(clk_data->clk, dev_desc->clkdev_name,
+ dev_name(&adev->dev));
+ return 0;
+ }
+
+ if (!pdata->mmio_base
|| pdata->mmio_size < dev_desc->prv_offset + LPSS_CLK_SIZE)
return -ENODATA;
- pdata->clk = clk_register_gate(NULL, dev_name(&adev->dev),
- dev_desc->clk_parent, 0,
- pdata->mmio_base + dev_desc->prv_offset,
- 0, 0, NULL);
- if (IS_ERR(pdata->clk))
- return PTR_ERR(pdata->clk);
+ parent = clk_data->name;
- clk_register_clkdev(pdata->clk, NULL, dev_name(&adev->dev));
+ if (shared_clock) {
+ clk = shared_clock->clk;
+ if (!clk) {
+ clk = clk_register_fixed_rate(NULL, shared_clock->name,
+ "lpss_clk", 0,
+ shared_clock->rate);
+ shared_clock->clk = clk;
+ }
+ parent = shared_clock->name;
+ }
+
+ if (dev_desc->clk_gate) {
+ clk = clk_register_gate(NULL, dev_name(&adev->dev), parent, 0,
+ pdata->mmio_base + dev_desc->prv_offset,
+ 0, 0, NULL);
+ pdata->clk = clk;
+ }
+
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ clk_register_clkdev(clk, NULL, dev_name(&adev->dev));
return 0;
}
@@ -134,7 +251,10 @@ static int acpi_lpss_create_device(struct acpi_device *adev,
list_for_each_entry(rentry, &resource_list, node)
if (resource_type(&rentry->res) == IORESOURCE_MEM) {
- pdata->mmio_size = resource_size(&rentry->res);
+ if (dev_desc->prv_size_override)
+ pdata->mmio_size = dev_desc->prv_size_override;
+ else
+ pdata->mmio_size = resource_size(&rentry->res);
pdata->mmio_base = ioremap(rentry->res.start,
pdata->mmio_size);
pdata->dev_desc = dev_desc;
@@ -146,15 +266,27 @@ static int acpi_lpss_create_device(struct acpi_device *adev,
if (dev_desc->clk_required) {
ret = register_device_clock(adev, pdata);
if (ret) {
- /*
- * Skip the device, but don't terminate the namespace
- * scan.
- */
- kfree(pdata);
- return 0;
+ /* Skip the device, but continue the namespace scan. */
+ ret = 0;
+ goto err_out;
}
}
+ /*
+ * This works around a known issue in ACPI tables where LPSS devices
+ * have _PS0 and _PS3 without _PSC (and no power resources), so
+ * acpi_bus_init_power() will assume that the BIOS has put them into D0.
+ */
+ ret = acpi_device_fix_up_power(adev);
+ if (ret) {
+ /* Skip the device, but continue the namespace scan. */
+ ret = 0;
+ goto err_out;
+ }
+
+ if (dev_desc->setup)
+ dev_desc->setup(pdata);
+
adev->driver_data = pdata;
ret = acpi_create_platform_device(adev, id);
if (ret > 0)
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 5e6301e9492..c711d114404 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -28,6 +28,7 @@
*/
#include <linux/acpi.h>
+#include <linux/memory.h>
#include <linux/memory_hotplug.h>
#include "internal.h"
@@ -166,13 +167,50 @@ static int acpi_memory_check_device(struct acpi_memory_device *mem_device)
return 0;
}
+static unsigned long acpi_meminfo_start_pfn(struct acpi_memory_info *info)
+{
+ return PFN_DOWN(info->start_addr);
+}
+
+static unsigned long acpi_meminfo_end_pfn(struct acpi_memory_info *info)
+{
+ return PFN_UP(info->start_addr + info->length-1);
+}
+
+static int acpi_bind_memblk(struct memory_block *mem, void *arg)
+{
+ return acpi_bind_one(&mem->dev, (acpi_handle)arg);
+}
+
+static int acpi_bind_memory_blocks(struct acpi_memory_info *info,
+ acpi_handle handle)
+{
+ return walk_memory_range(acpi_meminfo_start_pfn(info),
+ acpi_meminfo_end_pfn(info), (void *)handle,
+ acpi_bind_memblk);
+}
+
+static int acpi_unbind_memblk(struct memory_block *mem, void *arg)
+{
+ acpi_unbind_one(&mem->dev);
+ return 0;
+}
+
+static void acpi_unbind_memory_blocks(struct acpi_memory_info *info,
+ acpi_handle handle)
+{
+ walk_memory_range(acpi_meminfo_start_pfn(info),
+ acpi_meminfo_end_pfn(info), NULL, acpi_unbind_memblk);
+}
+
static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
{
+ acpi_handle handle = mem_device->device->handle;
int result, num_enabled = 0;
struct acpi_memory_info *info;
int node;
- node = acpi_get_node(mem_device->device->handle);
+ node = acpi_get_node(handle);
/*
* Tell the VM there is more memory here...
* Note: Assume that this function returns zero on success
@@ -203,6 +241,12 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
if (result && result != -EEXIST)
continue;
+ result = acpi_bind_memory_blocks(info, handle);
+ if (result) {
+ acpi_unbind_memory_blocks(info, handle);
+ return -ENODEV;
+ }
+
info->enabled = 1;
/*
@@ -227,12 +271,11 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
return 0;
}
-static int acpi_memory_remove_memory(struct acpi_memory_device *mem_device)
+static void acpi_memory_remove_memory(struct acpi_memory_device *mem_device)
{
- int result = 0, nid;
+ acpi_handle handle = mem_device->device->handle;
struct acpi_memory_info *info, *n;
-
- nid = acpi_get_node(mem_device->device->handle);
+ int nid = acpi_get_node(handle);
list_for_each_entry_safe(info, n, &mem_device->res_list, list) {
if (!info->enabled)
@@ -240,15 +283,12 @@ static int acpi_memory_remove_memory(struct acpi_memory_device *mem_device)
if (nid < 0)
nid = memory_add_physaddr_to_nid(info->start_addr);
- result = remove_memory(nid, info->start_addr, info->length);
- if (result)
- return result;
+ acpi_unbind_memory_blocks(info, handle);
+ remove_memory(nid, info->start_addr, info->length);
list_del(&info->list);
kfree(info);
}
-
- return result;
}
static void acpi_memory_device_free(struct acpi_memory_device *mem_device)
@@ -300,7 +340,7 @@ static int acpi_memory_device_add(struct acpi_device *device,
if (result) {
dev_err(&device->dev, "acpi_memory_enable_device() error\n");
acpi_memory_device_free(mem_device);
- return -ENODEV;
+ return result;
}
dev_dbg(&device->dev, "Memory device configured by ACPI\n");
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
new file mode 100644
index 00000000000..e9b01e35ac3
--- /dev/null
+++ b/drivers/acpi/acpi_processor.c
@@ -0,0 +1,494 @@
+/*
+ * acpi_processor.c - ACPI processor enumeration support
+ *
+ * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
+ * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
+ * Copyright (C) 2004 Dominik Brodowski <linux@brodo.de>
+ * Copyright (C) 2004 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
+ * Copyright (C) 2013, Intel Corporation
+ * Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include <acpi/processor.h>
+
+#include <asm/cpu.h>
+
+#include "internal.h"
+
+#define _COMPONENT ACPI_PROCESSOR_COMPONENT
+
+ACPI_MODULE_NAME("processor");
+
+DEFINE_PER_CPU(struct acpi_processor *, processors);
+EXPORT_PER_CPU_SYMBOL(processors);
+
+/* --------------------------------------------------------------------------
+ Errata Handling
+ -------------------------------------------------------------------------- */
+
+struct acpi_processor_errata errata __read_mostly;
+EXPORT_SYMBOL_GPL(errata);
+
+static int acpi_processor_errata_piix4(struct pci_dev *dev)
+{
+ u8 value1 = 0;
+ u8 value2 = 0;
+
+
+ if (!dev)
+ return -EINVAL;
+
+ /*
+ * Note that 'dev' references the PIIX4 ACPI Controller.
+ */
+
+ switch (dev->revision) {
+ case 0:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 A-step\n"));
+ break;
+ case 1:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 B-step\n"));
+ break;
+ case 2:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4E\n"));
+ break;
+ case 3:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4M\n"));
+ break;
+ default:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found unknown PIIX4\n"));
+ break;
+ }
+
+ switch (dev->revision) {
+
+ case 0: /* PIIX4 A-step */
+ case 1: /* PIIX4 B-step */
+ /*
+ * See specification changes #13 ("Manual Throttle Duty Cycle")
+ * and #14 ("Enabling and Disabling Manual Throttle"), plus
+ * erratum #5 ("STPCLK# Deassertion Time") from the January
+ * 2002 PIIX4 specification update. Applies to only older
+ * PIIX4 models.
+ */
+ errata.piix4.throttle = 1;
+
+ case 2: /* PIIX4E */
+ case 3: /* PIIX4M */
+ /*
+ * See erratum #18 ("C3 Power State/BMIDE and Type-F DMA
+ * Livelock") from the January 2002 PIIX4 specification update.
+ * Applies to all PIIX4 models.
+ */
+
+ /*
+ * BM-IDE
+ * ------
+ * Find the PIIX4 IDE Controller and get the Bus Master IDE
+ * Status register address. We'll use this later to read
+ * each IDE controller's DMA status to make sure we catch all
+ * DMA activity.
+ */
+ dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_82371AB,
+ PCI_ANY_ID, PCI_ANY_ID, NULL);
+ if (dev) {
+ errata.piix4.bmisx = pci_resource_start(dev, 4);
+ pci_dev_put(dev);
+ }
+
+ /*
+ * Type-F DMA
+ * ----------
+ * Find the PIIX4 ISA Controller and read the Motherboard
+ * DMA controller's status to see if Type-F (Fast) DMA mode
+ * is enabled (bit 7) on either channel. Note that we'll
+ * disable C3 support if this is enabled, as some legacy
+ * devices won't operate well if fast DMA is disabled.
+ */
+ dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_82371AB_0,
+ PCI_ANY_ID, PCI_ANY_ID, NULL);
+ if (dev) {
+ pci_read_config_byte(dev, 0x76, &value1);
+ pci_read_config_byte(dev, 0x77, &value2);
+ if ((value1 & 0x80) || (value2 & 0x80))
+ errata.piix4.fdma = 1;
+ pci_dev_put(dev);
+ }
+
+ break;
+ }
+
+ if (errata.piix4.bmisx)
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Bus master activity detection (BM-IDE) erratum enabled\n"));
+ if (errata.piix4.fdma)
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Type-F DMA livelock erratum (C3 disabled)\n"));
+
+ return 0;
+}
+
+static int acpi_processor_errata(struct acpi_processor *pr)
+{
+ int result = 0;
+ struct pci_dev *dev = NULL;
+
+
+ if (!pr)
+ return -EINVAL;
+
+ /*
+ * PIIX4
+ */
+ dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_82371AB_3, PCI_ANY_ID,
+ PCI_ANY_ID, NULL);
+ if (dev) {
+ result = acpi_processor_errata_piix4(dev);
+ pci_dev_put(dev);
+ }
+
+ return result;
+}
+
+/* --------------------------------------------------------------------------
+ Initialization
+ -------------------------------------------------------------------------- */
+
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+static int acpi_processor_hotadd_init(struct acpi_processor *pr)
+{
+ unsigned long long sta;
+ acpi_status status;
+ int ret;
+
+ status = acpi_evaluate_integer(pr->handle, "_STA", NULL, &sta);
+ if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_PRESENT))
+ return -ENODEV;
+
+ ret = acpi_map_lsapic(pr->handle, &pr->id);
+ if (ret)
+ return ret;
+
+ ret = arch_register_cpu(pr->id);
+ if (ret) {
+ acpi_unmap_lsapic(pr->id);
+ return ret;
+ }
+
+ /*
+ * CPU got hot-added, but cpu_data is not initialized yet. Set a flag
+ * to delay cpu_idle/throttling initialization and do it when the CPU
+ * gets online for the first time.
+ */
+ pr_info("CPU%d has been hot-added\n", pr->id);
+ pr->flags.need_hotplug_init = 1;
+ return 0;
+}
+#else
+static inline int acpi_processor_hotadd_init(struct acpi_processor *pr)
+{
+ return -ENODEV;
+}
+#endif /* CONFIG_ACPI_HOTPLUG_CPU */
+
+static int acpi_processor_get_info(struct acpi_device *device)
+{
+ union acpi_object object = { 0 };
+ struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
+ struct acpi_processor *pr = acpi_driver_data(device);
+ int cpu_index, device_declaration = 0;
+ acpi_status status = AE_OK;
+ static int cpu0_initialized;
+
+ if (num_online_cpus() > 1)
+ errata.smp = TRUE;
+
+ acpi_processor_errata(pr);
+
+ /*
+ * Check to see if we have bus mastering arbitration control. This
+ * is required for proper C3 usage (to maintain cache coherency).
+ */
+ if (acpi_gbl_FADT.pm2_control_block && acpi_gbl_FADT.pm2_control_length) {
+ pr->flags.bm_control = 1;
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Bus mastering arbitration control present\n"));
+ } else
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "No bus mastering arbitration control\n"));
+
+ if (!strcmp(acpi_device_hid(device), ACPI_PROCESSOR_OBJECT_HID)) {
+ /* Declared with "Processor" statement; match ProcessorID */
+ status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer);
+ if (ACPI_FAILURE(status)) {
+ dev_err(&device->dev,
+ "Failed to evaluate processor object (0x%x)\n",
+ status);
+ return -ENODEV;
+ }
+
+ /*
+ * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP.
+ * >>> 'acpi_get_processor_id(acpi_id, &id)' in
+ * arch/xxx/acpi.c
+ */
+ pr->acpi_id = object.processor.proc_id;
+ } else {
+ /*
+ * Declared with "Device" statement; match _UID.
+ * Note that we don't handle string _UIDs yet.
+ */
+ unsigned long long value;
+ status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID,
+ NULL, &value);
+ if (ACPI_FAILURE(status)) {
+ dev_err(&device->dev,
+ "Failed to evaluate processor _UID (0x%x)\n",
+ status);
+ return -ENODEV;
+ }
+ device_declaration = 1;
+ pr->acpi_id = value;
+ }
+ cpu_index = acpi_get_cpuid(pr->handle, device_declaration, pr->acpi_id);
+
+ /* Handle UP system running SMP kernel, with no LAPIC in MADT */
+ if (!cpu0_initialized && (cpu_index == -1) &&
+ (num_online_cpus() == 1)) {
+ cpu_index = 0;
+ }
+
+ cpu0_initialized = 1;
+
+ pr->id = cpu_index;
+
+ /*
+ * Extra Processor objects may be enumerated on MP systems with
+ * less than the max # of CPUs. They should be ignored _iff
+ * they are physically not present.
+ */
+ if (pr->id == -1) {
+ int ret = acpi_processor_hotadd_init(pr);
+ if (ret)
+ return ret;
+ }
+ /*
+ * On some boxes several processors use the same processor bus id.
+ * But they are located in different scope. For example:
+ * \_SB.SCK0.CPU0
+ * \_SB.SCK1.CPU0
+ * Rename the processor device bus id. And the new bus id will be
+ * generated as the following format:
+ * CPU+CPU ID.
+ */
+ sprintf(acpi_device_bid(device), "CPU%X", pr->id);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id,
+ pr->acpi_id));
+
+ if (!object.processor.pblk_address)
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
+ else if (object.processor.pblk_length != 6)
+ dev_err(&device->dev, "Invalid PBLK length [%d]\n",
+ object.processor.pblk_length);
+ else {
+ pr->throttling.address = object.processor.pblk_address;
+ pr->throttling.duty_offset = acpi_gbl_FADT.duty_offset;
+ pr->throttling.duty_width = acpi_gbl_FADT.duty_width;
+
+ pr->pblk = object.processor.pblk_address;
+
+ /*
+ * We don't care about error returns - we just try to mark
+ * these reserved so that nobody else is confused into thinking
+ * that this region might be unused..
+ *
+ * (In particular, allocating the IO range for Cardbus)
+ */
+ request_region(pr->throttling.address, 6, "ACPI CPU throttle");
+ }
+
+ /*
+ * If ACPI describes a slot number for this CPU, we can use it to
+ * ensure we get the right value in the "physical id" field
+ * of /proc/cpuinfo
+ */
+ status = acpi_evaluate_object(pr->handle, "_SUN", NULL, &buffer);
+ if (ACPI_SUCCESS(status))
+ arch_fix_phys_package_id(pr->id, object.integer.value);
+
+ return 0;
+}
+
+/*
+ * Do not put anything in here which needs the core to be online.
+ * For example MSR access or setting up things which check for cpuinfo_x86
+ * (cpu_data(cpu)) values, like CPU feature flags, family, model, etc.
+ * Such things have to be put in and set up by the processor driver's .probe().
+ */
+static DEFINE_PER_CPU(void *, processor_device_array);
+
+static int __cpuinit acpi_processor_add(struct acpi_device *device,
+ const struct acpi_device_id *id)
+{
+ struct acpi_processor *pr;
+ struct device *dev;
+ int result = 0;
+
+ pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
+ if (!pr)
+ return -ENOMEM;
+
+ if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) {
+ result = -ENOMEM;
+ goto err_free_pr;
+ }
+
+ pr->handle = device->handle;
+ strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME);
+ strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
+ device->driver_data = pr;
+
+ result = acpi_processor_get_info(device);
+ if (result) /* Processor is not physically present or unavailable */
+ return 0;
+
+#ifdef CONFIG_SMP
+ if (pr->id >= setup_max_cpus && pr->id != 0)
+ return 0;
+#endif
+
+ BUG_ON(pr->id >= nr_cpu_ids);
+
+ /*
+ * Buggy BIOS check.
+ * ACPI id of processors can be reported wrongly by the BIOS.
+ * Don't trust it blindly
+ */
+ if (per_cpu(processor_device_array, pr->id) != NULL &&
+ per_cpu(processor_device_array, pr->id) != device) {
+ dev_warn(&device->dev,
+ "BIOS reported wrong ACPI id %d for the processor\n",
+ pr->id);
+ /* Give up, but do not abort the namespace scan. */
+ goto err;
+ }
+ /*
+ * processor_device_array is not cleared on errors to allow buggy BIOS
+ * checks.
+ */
+ per_cpu(processor_device_array, pr->id) = device;
+ per_cpu(processors, pr->id) = pr;
+
+ dev = get_cpu_device(pr->id);
+ if (!dev) {
+ result = -ENODEV;
+ goto err;
+ }
+
+ result = acpi_bind_one(dev, pr->handle);
+ if (result)
+ goto err;
+
+ pr->dev = dev;
+ dev->offline = pr->flags.need_hotplug_init;
+
+ /* Trigger the processor driver's .probe() if present. */
+ if (device_attach(dev) >= 0)
+ return 1;
+
+ dev_err(dev, "Processor driver could not be attached\n");
+ acpi_unbind_one(dev);
+
+ err:
+ free_cpumask_var(pr->throttling.shared_cpu_map);
+ device->driver_data = NULL;
+ per_cpu(processors, pr->id) = NULL;
+ err_free_pr:
+ kfree(pr);
+ return result;
+}
+
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+/* --------------------------------------------------------------------------
+ Removal
+ -------------------------------------------------------------------------- */
+
+static void acpi_processor_remove(struct acpi_device *device)
+{
+ struct acpi_processor *pr;
+
+ if (!device || !acpi_driver_data(device))
+ return;
+
+ pr = acpi_driver_data(device);
+ if (pr->id >= nr_cpu_ids)
+ goto out;
+
+ /*
+ * The only reason why we ever get here is CPU hot-removal. The CPU is
+ * already offline and the ACPI device removal locking prevents it from
+ * being put back online at this point.
+ *
+ * Unbind the driver from the processor device and detach it from the
+ * ACPI companion object.
+ */
+ device_release_driver(pr->dev);
+ acpi_unbind_one(pr->dev);
+
+ /* Clean up. */
+ per_cpu(processor_device_array, pr->id) = NULL;
+ per_cpu(processors, pr->id) = NULL;
+ try_offline_node(cpu_to_node(pr->id));
+
+ /* Remove the CPU. */
+ get_online_cpus();
+ arch_unregister_cpu(pr->id);
+ acpi_unmap_lsapic(pr->id);
+ put_online_cpus();
+
+ out:
+ free_cpumask_var(pr->throttling.shared_cpu_map);
+ kfree(pr);
+}
+#endif /* CONFIG_ACPI_HOTPLUG_CPU */
+
+/*
+ * The following ACPI IDs are known to be suitable for representing as
+ * processor devices.
+ */
+static const struct acpi_device_id processor_device_ids[] = {
+
+ { ACPI_PROCESSOR_OBJECT_HID, },
+ { ACPI_PROCESSOR_DEVICE_HID, },
+
+ { }
+};
+
+static struct acpi_scan_handler __refdata processor_handler = {
+ .ids = processor_device_ids,
+ .attach = acpi_processor_add,
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+ .detach = acpi_processor_remove,
+#endif
+ .hotplug = {
+ .enabled = true,
+ },
+};
+
+void __init acpi_processor_init(void)
+{
+ acpi_scan_add_handler_with_hotplug(&processor_handler, "processor");
+}
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index 7ddf29eca9f..438304086ff 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -83,6 +83,7 @@ acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o
acpi-y += \
nsaccess.o \
nsalloc.o \
+ nsarguments.o \
nsconvert.o \
nsdump.o \
nseval.o \
@@ -137,6 +138,7 @@ acpi-y += \
tbfadt.o \
tbfind.o \
tbinstal.o \
+ tbprint.o \
tbutils.o \
tbxface.o \
tbxfload.o \
@@ -145,11 +147,13 @@ acpi-y += \
acpi-y += \
utaddress.o \
utalloc.o \
+ utbuffer.o \
utcopy.o \
utexcep.o \
utdebug.o \
utdecode.o \
utdelete.o \
+ uterror.o \
uteval.o \
utglobal.o \
utids.o \
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 07160928ca2..b8d38117a20 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -132,6 +132,12 @@ u8 ACPI_INIT_GLOBAL(acpi_gbl_truncate_io_addresses, FALSE);
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_disable_auto_repair, FALSE);
+/*
+ * Optionally do not load any SSDTs from the RSDT/XSDT during initialization.
+ * This can be useful for debugging ACPI problems on some machines.
+ */
+u8 ACPI_INIT_GLOBAL(acpi_gbl_disable_ssdt_table_load, FALSE);
+
/* acpi_gbl_FADT is a local copy of the FADT, converted to a common format. */
struct acpi_table_fadt acpi_gbl_FADT;
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index d5bfbd331bf..dfed26545ba 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -362,23 +362,6 @@ union acpi_predefined_info {
#pragma pack()
-/* Data block used during object validation */
-
-struct acpi_predefined_data {
- char *pathname;
- const union acpi_predefined_info *predefined;
- union acpi_operand_object *parent_package;
- struct acpi_namespace_node *node;
- u32 flags;
- u32 return_btype;
- u8 node_flags;
-};
-
-/* Defines for Flags field above */
-
-#define ACPI_OBJECT_REPAIRED 1
-#define ACPI_OBJECT_WRAPPED 2
-
/* Return object auto-repair info */
typedef acpi_status(*acpi_object_converter) (union acpi_operand_object
diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h
index 53666bd9193..530a2f8c125 100644
--- a/drivers/acpi/acpica/acmacros.h
+++ b/drivers/acpi/acpica/acmacros.h
@@ -374,10 +374,11 @@
* the plist contains a set of parens to allow variable-length lists.
* These macros are used for both the debug and non-debug versions of the code.
*/
-#define ACPI_ERROR_NAMESPACE(s, e) acpi_ut_namespace_error (AE_INFO, s, e);
-#define ACPI_ERROR_METHOD(s, n, p, e) acpi_ut_method_error (AE_INFO, s, n, p, e);
-#define ACPI_WARN_PREDEFINED(plist) acpi_ut_predefined_warning plist
-#define ACPI_INFO_PREDEFINED(plist) acpi_ut_predefined_info plist
+#define ACPI_ERROR_NAMESPACE(s, e) acpi_ut_namespace_error (AE_INFO, s, e);
+#define ACPI_ERROR_METHOD(s, n, p, e) acpi_ut_method_error (AE_INFO, s, n, p, e);
+#define ACPI_WARN_PREDEFINED(plist) acpi_ut_predefined_warning plist
+#define ACPI_INFO_PREDEFINED(plist) acpi_ut_predefined_info plist
+#define ACPI_BIOS_ERROR_PREDEFINED(plist) acpi_ut_predefined_bios_error plist
#else
@@ -387,6 +388,7 @@
#define ACPI_ERROR_METHOD(s, n, p, e)
#define ACPI_WARN_PREDEFINED(plist)
#define ACPI_INFO_PREDEFINED(plist)
+#define ACPI_BIOS_ERROR_PREDEFINED(plist)
#endif /* ACPI_NO_ERROR_MESSAGES */
diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h
index d2e491876bc..b83dc32a5ae 100644
--- a/drivers/acpi/acpica/acnamesp.h
+++ b/drivers/acpi/acpica/acnamesp.h
@@ -223,22 +223,33 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
void acpi_ns_exec_module_code_list(void);
/*
- * nspredef - Support for predefined/reserved names
+ * nsarguments - Argument count/type checking for predefined/reserved names
*/
-acpi_status
-acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
- u32 user_param_count,
- acpi_status return_status,
- union acpi_operand_object **return_object);
+void
+acpi_ns_check_argument_count(char *pathname,
+ struct acpi_namespace_node *node,
+ u32 user_param_count,
+ const union acpi_predefined_info *info);
void
-acpi_ns_check_parameter_count(char *pathname,
+acpi_ns_check_acpi_compliance(char *pathname,
struct acpi_namespace_node *node,
- u32 user_param_count,
- const union acpi_predefined_info *info);
+ const union acpi_predefined_info *predefined);
+
+void acpi_ns_check_argument_types(struct acpi_evaluate_info *info);
+
+/*
+ * nspredef - Return value checking for predefined/reserved names
+ */
+acpi_status
+acpi_ns_check_return_value(struct acpi_namespace_node *node,
+ struct acpi_evaluate_info *info,
+ u32 user_param_count,
+ acpi_status return_status,
+ union acpi_operand_object **return_object);
acpi_status
-acpi_ns_check_object_type(struct acpi_predefined_data *data,
+acpi_ns_check_object_type(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr,
u32 expected_btypes, u32 package_index);
@@ -246,7 +257,7 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
* nsprepkg - Validation of predefined name packages
*/
acpi_status
-acpi_ns_check_package(struct acpi_predefined_data *data,
+acpi_ns_check_package(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
/*
@@ -308,24 +319,24 @@ acpi_ns_get_attached_data(struct acpi_namespace_node *node,
* predefined methods/objects
*/
acpi_status
-acpi_ns_simple_repair(struct acpi_predefined_data *data,
+acpi_ns_simple_repair(struct acpi_evaluate_info *info,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr);
acpi_status
-acpi_ns_wrap_with_package(struct acpi_predefined_data *data,
+acpi_ns_wrap_with_package(struct acpi_evaluate_info *info,
union acpi_operand_object *original_object,
union acpi_operand_object **obj_desc_ptr);
acpi_status
-acpi_ns_repair_null_element(struct acpi_predefined_data *data,
+acpi_ns_repair_null_element(struct acpi_evaluate_info *info,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr);
void
-acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
+acpi_ns_remove_null_elements(struct acpi_evaluate_info *info,
u8 package_type,
union acpi_operand_object *obj_desc);
@@ -334,7 +345,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
* predefined methods/objects
*/
acpi_status
-acpi_ns_complex_repairs(struct acpi_predefined_data *data,
+acpi_ns_complex_repairs(struct acpi_evaluate_info *info,
struct acpi_namespace_node *node,
acpi_status validate_status,
union acpi_operand_object **return_object_ptr);
diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index b22b70944fd..f600aded726 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -128,8 +128,8 @@ enum acpi_return_package_types {
#define ARG_COUNT_IS_MINIMUM 0x8000
#define METHOD_MAX_ARG_TYPE ACPI_TYPE_PACKAGE
-#define METHOD_GET_COUNT(arg_list) (arg_list & METHOD_ARG_MASK)
-#define METHOD_GET_NEXT_ARG(arg_list) (arg_list >> METHOD_ARG_BIT_WIDTH)
+#define METHOD_GET_ARG_COUNT(arg_list) ((arg_list) & METHOD_ARG_MASK)
+#define METHOD_GET_NEXT_TYPE(arg_list) (((arg_list) >>= METHOD_ARG_BIT_WIDTH) & METHOD_ARG_MASK)
/* Macros used to build the predefined info table */
diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h
index 7896d85876c..fc83c0a5ca7 100644
--- a/drivers/acpi/acpica/acstruct.h
+++ b/drivers/acpi/acpica/acstruct.h
@@ -178,25 +178,41 @@ union acpi_aml_operands {
};
/*
- * Structure used to pass object evaluation parameters.
+ * Structure used to pass object evaluation information and parameters.
* Purpose is to reduce CPU stack use.
*/
struct acpi_evaluate_info {
- struct acpi_namespace_node *prefix_node;
- char *pathname;
- union acpi_operand_object *obj_desc;
- union acpi_operand_object **parameters;
- struct acpi_namespace_node *resolved_node;
- union acpi_operand_object *return_object;
- u8 param_count;
- u8 pass_number;
- u8 return_object_type;
- u8 flags;
+ /* The first 3 elements are passed by the caller to acpi_ns_evaluate */
+
+ struct acpi_namespace_node *prefix_node; /* Input: starting node */
+ char *relative_pathname; /* Input: path relative to prefix_node */
+ union acpi_operand_object **parameters; /* Input: argument list */
+
+ struct acpi_namespace_node *node; /* Resolved node (prefix_node:relative_pathname) */
+ union acpi_operand_object *obj_desc; /* Object attached to the resolved node */
+ char *full_pathname; /* Full pathname of the resolved node */
+
+ const union acpi_predefined_info *predefined; /* Used if Node is a predefined name */
+ union acpi_operand_object *return_object; /* Object returned from the evaluation */
+ union acpi_operand_object *parent_package; /* Used if return object is a Package */
+
+ u32 return_flags; /* Used for return value analysis */
+ u32 return_btype; /* Bitmapped type of the returned object */
+ u16 param_count; /* Count of the input argument list */
+ u8 pass_number; /* Parser pass number */
+ u8 return_object_type; /* Object type of the returned object */
+ u8 node_flags; /* Same as Node->Flags */
+ u8 flags; /* General flags */
};
/* Values for Flags above */
-#define ACPI_IGNORE_RETURN_VALUE 1
+#define ACPI_IGNORE_RETURN_VALUE 1
+
+/* Defines for return_flags field above */
+
+#define ACPI_OBJECT_REPAIRED 1
+#define ACPI_OBJECT_WRAPPED 2
/* Info used by acpi_ns_initialize_devices */
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index 202f4f12d3e..3c76edea680 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -87,6 +87,48 @@ extern const char *acpi_gbl_fc_decode[];
extern const char *acpi_gbl_pt_decode[];
#endif
+/*
+ * For the iASL compiler case, the output is redirected to stderr so that
+ * any of the various ACPI errors and warnings do not appear in the output
+ * files, for either the compiler or disassembler portions of the tool.
+ */
+#ifdef ACPI_ASL_COMPILER
+
+#include <stdio.h>
+extern FILE *acpi_gbl_output_file;
+
+#define ACPI_MSG_REDIRECT_BEGIN \
+ FILE *output_file = acpi_gbl_output_file; \
+ acpi_os_redirect_output (stderr);
+
+#define ACPI_MSG_REDIRECT_END \
+ acpi_os_redirect_output (output_file);
+
+#else
+/*
+ * non-iASL case - no redirection, nothing to do
+ */
+#define ACPI_MSG_REDIRECT_BEGIN
+#define ACPI_MSG_REDIRECT_END
+#endif
+
+/*
+ * Common error message prefixes
+ */
+#define ACPI_MSG_ERROR "ACPI Error: "
+#define ACPI_MSG_EXCEPTION "ACPI Exception: "
+#define ACPI_MSG_WARNING "ACPI Warning: "
+#define ACPI_MSG_INFO "ACPI: "
+
+#define ACPI_MSG_BIOS_ERROR "ACPI BIOS Error (bug): "
+#define ACPI_MSG_BIOS_WARNING "ACPI BIOS Warning (bug): "
+
+/*
+ * Common message suffix
+ */
+#define ACPI_MSG_SUFFIX \
+ acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
+
/* Types for Resource descriptor entries */
#define ACPI_INVALID_RESOURCE 0
@@ -578,7 +620,7 @@ void acpi_ut_print_string(char *string, u8 max_length);
void ut_convert_backslashes(char *pathname);
-u8 acpi_ut_valid_acpi_name(u32 name);
+u8 acpi_ut_valid_acpi_name(char *name);
u8 acpi_ut_valid_acpi_char(char character, u32 position);
@@ -670,6 +712,12 @@ acpi_ut_predefined_info(const char *module_name,
u32 line_number,
char *pathname, u8 node_flags, const char *format, ...);
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_predefined_bios_error(const char *module_name,
+ u32 line_number,
+ char *pathname,
+ u8 node_flags, const char *format, ...);
+
void
acpi_ut_namespace_error(const char *module_name,
u32 line_number,
diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c
index 7ea0f162f11..eb56b66444b 100644
--- a/drivers/acpi/acpica/dscontrol.c
+++ b/drivers/acpi/acpica/dscontrol.c
@@ -78,7 +78,6 @@ acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
switch (op->common.aml_opcode) {
case AML_WHILE_OP:
-
/*
* If this is an additional iteration of a while loop, continue.
* There is no need to allocate a new control state.
@@ -99,7 +98,6 @@ acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
/*lint -fallthrough */
case AML_IF_OP:
-
/*
* IF/WHILE: Create a new control state to manage these
* constructs. We need to manage these as a stack, in order
@@ -142,6 +140,7 @@ acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
break;
default:
+
break;
}
@@ -344,6 +343,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
case AML_NOOP_OP:
/* Just do nothing! */
+
break;
case AML_BREAK_POINT_OP:
diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c
index feadeed1012..d4bfe7b7f90 100644
--- a/drivers/acpi/acpica/dsfield.c
+++ b/drivers/acpi/acpica/dsfield.c
@@ -563,21 +563,25 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
*/
switch (walk_state->opcode) {
case AML_FIELD_OP:
+
arg = acpi_ps_get_arg(op, 2);
type = ACPI_TYPE_LOCAL_REGION_FIELD;
break;
case AML_BANK_FIELD_OP:
+
arg = acpi_ps_get_arg(op, 4);
type = ACPI_TYPE_LOCAL_BANK_FIELD;
break;
case AML_INDEX_FIELD_OP:
+
arg = acpi_ps_get_arg(op, 3);
type = ACPI_TYPE_LOCAL_INDEX_FIELD;
break;
default:
+
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c
index bc8e63f7784..14424200d24 100644
--- a/drivers/acpi/acpica/dsinit.c
+++ b/drivers/acpi/acpica/dsinit.c
@@ -127,6 +127,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
break;
default:
+
break;
}
diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c
index 3da80460ce3..c4b0b365723 100644
--- a/drivers/acpi/acpica/dsmthdat.c
+++ b/drivers/acpi/acpica/dsmthdat.c
@@ -285,6 +285,7 @@ acpi_ds_method_data_get_node(u8 type,
break;
default:
+
ACPI_ERROR((AE_INFO, "Type %u is invalid", type));
return_ACPI_STATUS(AE_TYPE);
}
@@ -428,7 +429,6 @@ acpi_ds_method_data_get_value(u8 type,
return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
case ACPI_REFCLASS_LOCAL:
-
/*
* No error message for this case, will be trapped again later to
* detect and ignore cases of Store(local_x,local_x)
diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c
index e20e9f84eee..63f0d220ca3 100644
--- a/drivers/acpi/acpica/dsobject.c
+++ b/drivers/acpi/acpica/dsobject.c
@@ -648,7 +648,6 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
switch (obj_desc->common.type) {
case ACPI_TYPE_BUFFER:
-
/*
* Defer evaluation of Buffer term_arg operand
*/
@@ -660,7 +659,6 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
break;
case ACPI_TYPE_PACKAGE:
-
/*
* Defer evaluation of Package term_arg operand
*/
@@ -741,6 +739,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
break;
default:
+
ACPI_ERROR((AE_INFO, "Unknown Integer type 0x%X",
op_info->type));
status = AE_AML_OPERAND_TYPE;
diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index ee6367b8eaf..1fc1ff114f2 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -636,6 +636,7 @@ acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
break;
default:
+
return_ACPI_STATUS(AE_AML_BAD_OPCODE);
}
diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c
index 99778997c35..c666fc01498 100644
--- a/drivers/acpi/acpica/dsutils.c
+++ b/drivers/acpi/acpica/dsutils.c
@@ -240,7 +240,6 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
case AML_IF_OP:
case AML_WHILE_OP:
-
/*
* If we are executing the predicate AND this is the predicate op,
* we will use the return value
@@ -254,7 +253,9 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
break;
default:
+
/* Ignore other control opcodes */
+
break;
}
@@ -263,7 +264,6 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
goto result_not_used;
case AML_CLASS_CREATE:
-
/*
* These opcodes allow term_arg(s) as operands and therefore
* the operands can be method calls. The result is used.
@@ -292,7 +292,6 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
goto result_not_used;
default:
-
/*
* In all other cases. the parent will actually use the return
* object, so keep it.
diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c
index e2199a94747..151d924817e 100644
--- a/drivers/acpi/acpica/dswexec.c
+++ b/drivers/acpi/acpica/dswexec.c
@@ -327,6 +327,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
break;
default:
+
break;
}
@@ -488,7 +489,6 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
break;
case AML_TYPE_METHOD_CALL:
-
/*
* If the method is referenced from within a package
* declaration, it is not a invocation of the method, just
@@ -582,7 +582,6 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
switch (op->common.parent->common.aml_opcode) {
case AML_NAME_OP:
-
/*
* Put the Node on the object stack (Contains the ACPI Name
* of this object)
diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c
index 6e17c0e24e6..95e681a36f9 100644
--- a/drivers/acpi/acpica/dswload.c
+++ b/drivers/acpi/acpica/dswload.c
@@ -74,6 +74,7 @@ acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number)
switch (pass_number) {
case 1:
+
walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
ACPI_PARSE_DELETE_TREE;
walk_state->descending_callback = acpi_ds_load1_begin_op;
@@ -81,6 +82,7 @@ acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number)
break;
case 2:
+
walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
ACPI_PARSE_DELETE_TREE;
walk_state->descending_callback = acpi_ds_load2_begin_op;
@@ -88,6 +90,7 @@ acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number)
break;
case 3:
+
#ifndef ACPI_NO_METHOD_EXECUTION
walk_state->parse_flags |= ACPI_PARSE_EXECUTE |
ACPI_PARSE_DELETE_TREE;
@@ -97,6 +100,7 @@ acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number)
break;
default:
+
return (AE_BAD_PARAMETER);
}
@@ -161,7 +165,6 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
switch (walk_state->opcode) {
case AML_SCOPE_OP:
-
/*
* The target name of the Scope() operator must exist at this point so
* that we can actually open the scope to enter new names underneath it.
@@ -210,7 +213,6 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
-
/*
* These types we will allow, but we will change the type.
* This enables some existing code of the form:
@@ -232,7 +234,6 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
break;
case ACPI_TYPE_METHOD:
-
/*
* Allow scope change to root during execution of module-level
* code. Root is typed METHOD during this time.
diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c
index 4407ff2377d..b1f8f4725c2 100644
--- a/drivers/acpi/acpica/dswload2.c
+++ b/drivers/acpi/acpica/dswload2.c
@@ -509,6 +509,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
break;
default:
+
/* All NAMED_FIELD opcodes must be handled above */
break;
}
@@ -548,6 +549,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
break;
default:
+
/* Unknown opcode */
status = AE_OK;
@@ -674,6 +676,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
#endif /* ACPI_NO_METHOD_EXECUTION */
default:
+
/* All NAMED_COMPLEX opcodes must be handled above */
break;
}
@@ -721,6 +724,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
break;
default:
+
break;
}
diff --git a/drivers/acpi/acpica/evglock.c b/drivers/acpi/acpica/evglock.c
index a621481c6cf..fdb0a76e40a 100644
--- a/drivers/acpi/acpica/evglock.c
+++ b/drivers/acpi/acpica/evglock.c
@@ -128,6 +128,7 @@ acpi_status acpi_ev_remove_global_lock_handler(void)
status = acpi_remove_fixed_event_handler(ACPI_EVENT_GLOBAL,
acpi_ev_global_lock_handler);
+ acpi_os_delete_lock(acpi_gbl_global_lock_pending_lock);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index a493b528f8f..c8a1f7d5931 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -529,7 +529,6 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
switch (local_gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) {
case ACPI_GPE_DISPATCH_NOTIFY:
-
/*
* Implicit notify.
* Dispatch a DEVICE_WAKE notify to the appropriate handler.
@@ -579,11 +578,11 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
(local_gpe_event_info->dispatch.
method_node)));
}
-
break;
default:
- return_VOID; /* Should never happen */
+
+ return_VOID; /* Should never happen */
}
/* Defer enabling of GPE until all notify handlers are done */
@@ -755,7 +754,6 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
case ACPI_GPE_DISPATCH_METHOD:
case ACPI_GPE_DISPATCH_NOTIFY:
-
/*
* Execute the method associated with the GPE
* NOTE: Level-triggered GPEs are cleared after the method completes.
@@ -771,7 +769,6 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
break;
default:
-
/*
* No handler or method to run!
* 03/2010: This case should no longer be possible. We will not allow
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
index a2d688bbac0..c1aa1eda26c 100644
--- a/drivers/acpi/acpica/evgpeblk.c
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -382,6 +382,8 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
status = acpi_ev_install_gpe_block(gpe_block, interrupt_number);
if (ACPI_FAILURE(status)) {
+ ACPI_FREE(gpe_block->register_info);
+ ACPI_FREE(gpe_block->event_info);
ACPI_FREE(gpe_block);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c
index 72b8f6b3f4c..9037f17c960 100644
--- a/drivers/acpi/acpica/evgpeinit.c
+++ b/drivers/acpi/acpica/evgpeinit.c
@@ -363,14 +363,17 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,
*/
switch (name[1]) {
case 'L':
+
type = ACPI_GPE_LEVEL_TRIGGERED;
break;
case 'E':
+
type = ACPI_GPE_EDGE_TRIGGERED;
break;
default:
+
/* Unknown method type, just ignore it */
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c
index d4f83112c2e..068af96134b 100644
--- a/drivers/acpi/acpica/evhandler.c
+++ b/drivers/acpi/acpica/evhandler.c
@@ -354,36 +354,43 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node,
switch (space_id) {
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+
handler = acpi_ex_system_memory_space_handler;
setup = acpi_ev_system_memory_region_setup;
break;
case ACPI_ADR_SPACE_SYSTEM_IO:
+
handler = acpi_ex_system_io_space_handler;
setup = acpi_ev_io_space_region_setup;
break;
case ACPI_ADR_SPACE_PCI_CONFIG:
+
handler = acpi_ex_pci_config_space_handler;
setup = acpi_ev_pci_config_region_setup;
break;
case ACPI_ADR_SPACE_CMOS:
+
handler = acpi_ex_cmos_space_handler;
setup = acpi_ev_cmos_region_setup;
break;
case ACPI_ADR_SPACE_PCI_BAR_TARGET:
+
handler = acpi_ex_pci_bar_space_handler;
setup = acpi_ev_pci_bar_region_setup;
break;
case ACPI_ADR_SPACE_DATA_TABLE:
+
handler = acpi_ex_data_table_space_handler;
setup = NULL;
break;
default:
+
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
}
diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c
index c986b2336b8..1b111ef7490 100644
--- a/drivers/acpi/acpica/evmisc.c
+++ b/drivers/acpi/acpica/evmisc.c
@@ -78,6 +78,7 @@ u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node)
return (TRUE);
default:
+
return (FALSE);
}
}
@@ -275,6 +276,8 @@ void acpi_ev_terminate(void)
ACPI_ERROR((AE_INFO,
"Could not remove Global Lock handler"));
}
+
+ acpi_gbl_events_initialized = FALSE;
}
/* Deallocate all handler objects installed within GPE info structs */
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c
index 6555e350fc1..cea14d6fc76 100644
--- a/drivers/acpi/acpica/evregion.c
+++ b/drivers/acpi/acpica/evregion.c
@@ -54,7 +54,8 @@ extern u8 acpi_gbl_default_address_spaces[];
/* Local prototypes */
-static void acpi_ev_orphan_ec_reg_method(void);
+static void
+acpi_ev_orphan_ec_reg_method(struct acpi_namespace_node *ec_device_node);
static acpi_status
acpi_ev_reg_run(acpi_handle obj_handle,
@@ -532,7 +533,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
}
info->prefix_node = region_obj2->extra.method_REG;
- info->pathname = NULL;
+ info->relative_pathname = NULL;
info->parameters = args;
info->flags = ACPI_IGNORE_RETURN_VALUE;
@@ -612,7 +613,7 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
/* Special case for EC: handle "orphan" _REG methods with no region */
if (space_id == ACPI_ADR_SPACE_EC) {
- acpi_ev_orphan_ec_reg_method();
+ acpi_ev_orphan_ec_reg_method(node);
}
return_ACPI_STATUS(status);
@@ -681,7 +682,7 @@ acpi_ev_reg_run(acpi_handle obj_handle,
*
* FUNCTION: acpi_ev_orphan_ec_reg_method
*
- * PARAMETERS: None
+ * PARAMETERS: ec_device_node - Namespace node for an EC device
*
* RETURN: None
*
@@ -693,37 +694,27 @@ acpi_ev_reg_run(acpi_handle obj_handle,
* detected by providing a _REG method object underneath the
* Embedded Controller device."
*
- * To quickly access the EC device, we use the EC_ID that appears
- * within the ECDT. Otherwise, we would need to perform a time-
- * consuming namespace walk, executing _HID methods to find the
- * EC device.
+ * To quickly access the EC device, we use the ec_device_node used
+ * during EC handler installation. Otherwise, we would need to
+ * perform a time consuming namespace walk, executing _HID
+ * methods to find the EC device.
+ *
+ * MUTEX: Assumes the namespace is locked
*
******************************************************************************/
-static void acpi_ev_orphan_ec_reg_method(void)
+static void
+acpi_ev_orphan_ec_reg_method(struct acpi_namespace_node *ec_device_node)
{
- struct acpi_table_ecdt *table;
+ acpi_handle reg_method;
+ struct acpi_namespace_node *next_node;
acpi_status status;
struct acpi_object_list args;
union acpi_object objects[2];
- struct acpi_namespace_node *ec_device_node;
- struct acpi_namespace_node *reg_method;
- struct acpi_namespace_node *next_node;
ACPI_FUNCTION_TRACE(ev_orphan_ec_reg_method);
- /* Get the ECDT (if present in system) */
-
- status = acpi_get_table(ACPI_SIG_ECDT, 0,
- ACPI_CAST_INDIRECT_PTR(struct acpi_table_header,
- &table));
- if (ACPI_FAILURE(status)) {
- return_VOID;
- }
-
- /* We need a valid EC_ID string */
-
- if (!(*table->id)) {
+ if (!ec_device_node) {
return_VOID;
}
@@ -731,22 +722,11 @@ static void acpi_ev_orphan_ec_reg_method(void)
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
- /* Get a handle to the EC device referenced in the ECDT */
-
- status = acpi_get_handle(NULL,
- ACPI_CAST_PTR(char, table->id),
- ACPI_CAST_PTR(acpi_handle, &ec_device_node));
- if (ACPI_FAILURE(status)) {
- goto exit;
- }
-
/* Get a handle to a _REG method immediately under the EC device */
- status = acpi_get_handle(ec_device_node,
- METHOD_NAME__REG, ACPI_CAST_PTR(acpi_handle,
- &reg_method));
+ status = acpi_get_handle(ec_device_node, METHOD_NAME__REG, &reg_method);
if (ACPI_FAILURE(status)) {
- goto exit;
+ goto exit; /* There is no _REG method present */
}
/*
@@ -754,19 +734,20 @@ static void acpi_ev_orphan_ec_reg_method(void)
* this scope with the Embedded Controller space ID. Otherwise, it
* will already have been executed. Note, this allows for Regions
* with other space IDs to be present; but the code below will then
- * execute the _REG method with the EC space ID argument.
+ * execute the _REG method with the embedded_control space_ID argument.
*/
next_node = acpi_ns_get_next_node(ec_device_node, NULL);
while (next_node) {
if ((next_node->type == ACPI_TYPE_REGION) &&
(next_node->object) &&
(next_node->object->region.space_id == ACPI_ADR_SPACE_EC)) {
- goto exit; /* Do not execute _REG */
+ goto exit; /* Do not execute the _REG */
}
+
next_node = acpi_ns_get_next_node(ec_device_node, next_node);
}
- /* Evaluate the _REG(EC,Connect) method */
+ /* Evaluate the _REG(embedded_control,Connect) method */
args.count = 2;
args.pointer = objects;
diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c
index 3bb616794b3..8354c4f7f10 100644
--- a/drivers/acpi/acpica/evrgnini.c
+++ b/drivers/acpi/acpica/evrgnini.c
@@ -596,7 +596,9 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
break;
default:
+
/* Ignore other objects */
+
break;
}
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index aff4cc26121..7662f1a42ff 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -366,16 +366,19 @@ acpi_set_gpe_wake_mask(acpi_handle gpe_device, u32 gpe_number, u8 action)
switch (action) {
case ACPI_GPE_ENABLE:
+
ACPI_SET_BIT(gpe_register_info->enable_for_wake,
(u8)register_bit);
break;
case ACPI_GPE_DISABLE:
+
ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake,
(u8)register_bit);
break;
default:
+
ACPI_ERROR((AE_INFO, "%u, Invalid action", action));
status = AE_BAD_PARAMETER;
break;
diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c
index 96c9e5f355a..80cecf83859 100644
--- a/drivers/acpi/acpica/evxfregn.c
+++ b/drivers/acpi/acpica/evxfregn.c
@@ -139,6 +139,7 @@ acpi_install_address_space_handler(acpi_handle device,
break;
default:
+
break;
}
diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c
index d93b70be60a..06d216c8d43 100644
--- a/drivers/acpi/acpica/exconfig.c
+++ b/drivers/acpi/acpica/exconfig.c
@@ -480,6 +480,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
break;
default:
+
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
@@ -588,7 +589,7 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
(ACPI_GET_DESCRIPTOR_TYPE(ddb_handle) != ACPI_DESC_TYPE_OPERAND) ||
(ddb_handle->common.type != ACPI_TYPE_LOCAL_REFERENCE) ||
(!(ddb_handle->common.flags & AOPOBJ_DATA_VALID))) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/* Get the table index from the ddb_handle */
diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c
index d2b9613bbf0..69e4a8cc9b7 100644
--- a/drivers/acpi/acpica/exconvrt.c
+++ b/drivers/acpi/acpica/exconvrt.c
@@ -99,6 +99,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
break;
default:
+
return_ACPI_STATUS(AE_TYPE);
}
@@ -117,7 +118,6 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
switch (obj_desc->common.type) {
case ACPI_TYPE_STRING:
-
/*
* Convert string to an integer - for most cases, the string must be
* hexadecimal as per the ACPI specification. The only exception (as
@@ -161,6 +161,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
default:
/* No other types can get here */
+
break;
}
@@ -213,7 +214,6 @@ acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
return_ACPI_STATUS(AE_OK);
case ACPI_TYPE_INTEGER:
-
/*
* Create a new Buffer object.
* Need enough space for one integer
@@ -233,7 +233,6 @@ acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
break;
case ACPI_TYPE_STRING:
-
/*
* Create a new Buffer object
* Size will be the string length
@@ -258,6 +257,7 @@ acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
break;
default:
+
return_ACPI_STATUS(AE_TYPE);
}
@@ -304,15 +304,18 @@ acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 data_width)
switch (data_width) {
case 1:
+
decimal_length = ACPI_MAX8_DECIMAL_DIGITS;
break;
case 4:
+
decimal_length = ACPI_MAX32_DECIMAL_DIGITS;
break;
case 8:
default:
+
decimal_length = ACPI_MAX64_DECIMAL_DIGITS;
break;
}
@@ -546,6 +549,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
break;
default:
+
return_ACPI_STATUS(AE_TYPE);
}
@@ -599,6 +603,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
break;
default:
+
/* No conversion allowed for these types */
if (destination_type != source_desc->common.type) {
@@ -649,6 +654,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
break;
default:
+
ACPI_ERROR((AE_INFO,
"Bad destination type during conversion: 0x%X",
destination_type));
@@ -664,6 +670,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
break;
default:
+
ACPI_ERROR((AE_INFO,
"Unknown Target type ID 0x%X AmlOpcode 0x%X DestType %s",
GET_CURRENT_ARG_TYPE(walk_state->op_info->
diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c
index 26a13f67977..269e81d86ef 100644
--- a/drivers/acpi/acpica/excreate.c
+++ b/drivers/acpi/acpica/excreate.c
@@ -103,7 +103,6 @@ acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state)
case ACPI_TYPE_BUFFER:
case ACPI_TYPE_PACKAGE:
case ACPI_TYPE_BUFFER_FIELD:
-
/*
* These types open a new scope, so we need the NS node in order to access
* any children.
@@ -113,7 +112,6 @@ acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state)
case ACPI_TYPE_PROCESSOR:
case ACPI_TYPE_THERMAL:
case ACPI_TYPE_LOCAL_SCOPE:
-
/*
* The new alias has the type ALIAS and points to the original
* NS node, not the object itself.
@@ -124,7 +122,6 @@ acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state)
break;
case ACPI_TYPE_METHOD:
-
/*
* Control method aliases need to be differentiated
*/
diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c
index 7eb853cd279..81c72a4ecd8 100644
--- a/drivers/acpi/acpica/exdebug.c
+++ b/drivers/acpi/acpica/exdebug.c
@@ -193,6 +193,7 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
return_VOID;
default:
+
break;
}
@@ -226,6 +227,7 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
break;
default:
+
acpi_ex_do_debug_object((source_desc->
reference.
node)->object,
diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c
index e5a3c249f7f..c740f24e310 100644
--- a/drivers/acpi/acpica/exdump.c
+++ b/drivers/acpi/acpica/exdump.c
@@ -357,6 +357,7 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
switch (info->opcode) {
case ACPI_EXD_INIT:
+
break;
case ACPI_EXD_TYPE:
@@ -718,6 +719,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
break;
default:
+
/* Unknown Type */
acpi_os_printf("Unknown Type %X\n", obj_desc->common.type);
diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c
index 7d4bae71e8c..c2a65aaf29a 100644
--- a/drivers/acpi/acpica/exfield.c
+++ b/drivers/acpi/acpica/exfield.c
@@ -331,21 +331,25 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
switch (source_desc->common.type) {
case ACPI_TYPE_INTEGER:
+
buffer = &source_desc->integer.value;
length = sizeof(source_desc->integer.value);
break;
case ACPI_TYPE_BUFFER:
+
buffer = source_desc->buffer.pointer;
length = source_desc->buffer.length;
break;
case ACPI_TYPE_STRING:
+
buffer = source_desc->string.pointer;
length = source_desc->string.length;
break;
default:
+
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index c84ee956fa4..7e0afe72487 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -446,7 +446,6 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
break;
case ACPI_TYPE_LOCAL_BANK_FIELD:
-
/*
* Ensure that the bank_value is not beyond the capacity of
* the register
@@ -488,7 +487,6 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
break;
case ACPI_TYPE_LOCAL_INDEX_FIELD:
-
/*
* Ensure that the index_value is not beyond the capacity of
* the register
diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c
index 72a2a13b6d3..00bf2987757 100644
--- a/drivers/acpi/acpica/exmisc.c
+++ b/drivers/acpi/acpica/exmisc.c
@@ -105,7 +105,6 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
break;
case ACPI_DESC_TYPE_NAMED:
-
/*
* A named reference that has already been resolved to a Node
*/
@@ -261,20 +260,24 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
*/
switch (operand0->common.type) {
case ACPI_TYPE_INTEGER:
+
status =
acpi_ex_convert_to_integer(operand1, &local_operand1, 16);
break;
case ACPI_TYPE_STRING:
+
status = acpi_ex_convert_to_string(operand1, &local_operand1,
ACPI_IMPLICIT_CONVERT_HEX);
break;
case ACPI_TYPE_BUFFER:
+
status = acpi_ex_convert_to_buffer(operand1, &local_operand1);
break;
default:
+
ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X",
operand0->common.type));
status = AE_AML_INTERNAL;
@@ -519,6 +522,7 @@ acpi_ex_do_logical_numeric_op(u16 opcode,
break;
default:
+
status = AE_AML_INTERNAL;
break;
}
@@ -580,20 +584,24 @@ acpi_ex_do_logical_op(u16 opcode,
*/
switch (operand0->common.type) {
case ACPI_TYPE_INTEGER:
+
status =
acpi_ex_convert_to_integer(operand1, &local_operand1, 16);
break;
case ACPI_TYPE_STRING:
+
status = acpi_ex_convert_to_string(operand1, &local_operand1,
ACPI_IMPLICIT_CONVERT_HEX);
break;
case ACPI_TYPE_BUFFER:
+
status = acpi_ex_convert_to_buffer(operand1, &local_operand1);
break;
default:
+
status = AE_AML_INTERNAL;
break;
}
@@ -636,6 +644,7 @@ acpi_ex_do_logical_op(u16 opcode,
break;
default:
+
status = AE_AML_INTERNAL;
break;
}
@@ -703,6 +712,7 @@ acpi_ex_do_logical_op(u16 opcode,
break;
default:
+
status = AE_AML_INTERNAL;
break;
}
diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c
index b60c877f590..814b4a3d656 100644
--- a/drivers/acpi/acpica/exoparg1.c
+++ b/drivers/acpi/acpica/exoparg1.c
@@ -327,7 +327,6 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
break;
case AML_FROM_BCD_OP: /* from_bcd (BCDValue, Result) */
-
/*
* The 64-bit ACPI integer can hold 16 4-bit BCD characters
* (if table is 32-bit, integer can hold 8 BCD characters)
@@ -407,7 +406,6 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
break;
case AML_COND_REF_OF_OP: /* cond_ref_of (source_object, Result) */
-
/*
* This op is a little strange because the internal return value is
* different than the return value stored in the result descriptor
@@ -442,13 +440,14 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
goto cleanup;
default:
+
/* No other opcodes get here */
+
break;
}
break;
case AML_STORE_OP: /* Store (Source, Target) */
-
/*
* A store operand is typically a number, string, buffer or lvalue
* Be careful about deleting the source object,
@@ -615,7 +614,6 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
case AML_DECREMENT_OP: /* Decrement (Operand) */
case AML_INCREMENT_OP: /* Increment (Operand) */
-
/*
* Create a new integer. Can't just get the base integer and
* increment it because it may be an Arg or Field.
@@ -682,7 +680,6 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
break;
case AML_TYPE_OP: /* object_type (source_object) */
-
/*
* Note: The operand is not resolved at this point because we want to
* get the associated object, not its value. For example, we don't
@@ -709,7 +706,6 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
break;
case AML_SIZE_OF_OP: /* size_of (source_object) */
-
/*
* Note: The operand is not resolved at this point because we want to
* get the associated object, not its value.
@@ -735,10 +731,12 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
*/
switch (type) {
case ACPI_TYPE_INTEGER:
+
value = acpi_gbl_integer_byte_width;
break;
case ACPI_TYPE_STRING:
+
value = temp_desc->string.length;
break;
@@ -759,6 +757,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
break;
default:
+
ACPI_ERROR((AE_INFO,
"Operand must be Buffer/Integer/String/Package - found type %s",
acpi_ut_get_type_name(type)));
@@ -860,9 +859,11 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
break;
case ACPI_TYPE_STRING:
+
break;
default:
+
status = AE_AML_OPERAND_TYPE;
goto cleanup;
}
@@ -923,7 +924,6 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
*/
switch (operand[0]->reference.class) {
case ACPI_REFCLASS_INDEX:
-
/*
* The target type for the Index operator must be
* either a Buffer or a Package
@@ -956,7 +956,6 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
break;
case ACPI_TYPE_PACKAGE:
-
/*
* Return the referenced element of the package. We must
* add another reference to the referenced object, however.
@@ -999,6 +998,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
break;
default:
+
ACPI_ERROR((AE_INFO,
"Unknown class in reference(%p) - 0x%2.2X",
operand[0],
diff --git a/drivers/acpi/acpica/exoparg2.c b/drivers/acpi/acpica/exoparg2.c
index b0838a4ea53..d5088f7030c 100644
--- a/drivers/acpi/acpica/exoparg2.c
+++ b/drivers/acpi/acpica/exoparg2.c
@@ -304,7 +304,6 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
break;
case AML_TO_STRING_OP: /* to_string (Buffer, Length, Result) (ACPI 2.0) */
-
/*
* Input object is guaranteed to be a buffer at this point (it may have
* been converted.) Copy the raw buffer data to a new object of
diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c
index 2d7491f3126..37656f12f20 100644
--- a/drivers/acpi/acpica/exoparg3.c
+++ b/drivers/acpi/acpica/exoparg3.c
@@ -155,7 +155,6 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
switch (walk_state->opcode) {
case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */
-
/*
* Create the return object. The Source operand is guaranteed to be
* either a String or a Buffer, so just use its type.
diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c
index b76b97002df..879b6cd8319 100644
--- a/drivers/acpi/acpica/exoparg6.c
+++ b/drivers/acpi/acpica/exoparg6.c
@@ -119,7 +119,6 @@ acpi_ex_do_match(u32 match_op,
break;
case MATCH_MEQ:
-
/*
* True if equal: (P[i] == M)
* Change to: (M == P[i])
@@ -133,7 +132,6 @@ acpi_ex_do_match(u32 match_op,
break;
case MATCH_MLE:
-
/*
* True if less than or equal: (P[i] <= M) (P[i] not_greater than M)
* Change to: (M >= P[i]) (M not_less than P[i])
@@ -148,7 +146,6 @@ acpi_ex_do_match(u32 match_op,
break;
case MATCH_MLT:
-
/*
* True if less than: (P[i] < M)
* Change to: (M > P[i])
@@ -162,7 +159,6 @@ acpi_ex_do_match(u32 match_op,
break;
case MATCH_MGE:
-
/*
* True if greater than or equal: (P[i] >= M) (P[i] not_less than M)
* Change to: (M <= P[i]) (M not_greater than P[i])
@@ -177,7 +173,6 @@ acpi_ex_do_match(u32 match_op,
break;
case MATCH_MGT:
-
/*
* True if greater than: (P[i] > M)
* Change to: (M < P[i])
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index 6b728aef2dc..5a588611ab4 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -253,26 +253,31 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
case AML_FIELD_ACCESS_BYTE:
case AML_FIELD_ACCESS_BUFFER: /* ACPI 2.0 (SMBus Buffer) */
+
byte_alignment = 1;
bit_length = 8;
break;
case AML_FIELD_ACCESS_WORD:
+
byte_alignment = 2;
bit_length = 16;
break;
case AML_FIELD_ACCESS_DWORD:
+
byte_alignment = 4;
bit_length = 32;
break;
case AML_FIELD_ACCESS_QWORD: /* ACPI 2.0 */
+
byte_alignment = 8;
bit_length = 64;
break;
default:
+
/* Invalid field access type */
ACPI_ERROR((AE_INFO, "Unknown field access type 0x%X", access));
@@ -598,7 +603,9 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
break;
default:
+
/* No other types should get here */
+
break;
}
diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index 182abaf045e..303429bb4d5 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -88,22 +88,27 @@ acpi_ex_system_memory_space_handler(u32 function,
switch (bit_width) {
case 8:
+
length = 1;
break;
case 16:
+
length = 2;
break;
case 32:
+
length = 4;
break;
case 64:
+
length = 8;
break;
default:
+
ACPI_ERROR((AE_INFO, "Invalid SystemMemory width %u",
bit_width));
return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
@@ -214,23 +219,29 @@ acpi_ex_system_memory_space_handler(u32 function,
*value = 0;
switch (bit_width) {
case 8:
- *value = (u64) ACPI_GET8(logical_addr_ptr);
+
+ *value = (u64)ACPI_GET8(logical_addr_ptr);
break;
case 16:
- *value = (u64) ACPI_GET16(logical_addr_ptr);
+
+ *value = (u64)ACPI_GET16(logical_addr_ptr);
break;
case 32:
- *value = (u64) ACPI_GET32(logical_addr_ptr);
+
+ *value = (u64)ACPI_GET32(logical_addr_ptr);
break;
case 64:
- *value = (u64) ACPI_GET64(logical_addr_ptr);
+
+ *value = (u64)ACPI_GET64(logical_addr_ptr);
break;
default:
+
/* bit_width was already validated */
+
break;
}
break;
@@ -239,28 +250,35 @@ acpi_ex_system_memory_space_handler(u32 function,
switch (bit_width) {
case 8:
+
ACPI_SET8(logical_addr_ptr, *value);
break;
case 16:
+
ACPI_SET16(logical_addr_ptr, *value);
break;
case 32:
+
ACPI_SET32(logical_addr_ptr, *value);
break;
case 64:
+
ACPI_SET64(logical_addr_ptr, *value);
break;
default:
+
/* bit_width was already validated */
+
break;
}
break;
default:
+
status = AE_BAD_PARAMETER;
break;
}
@@ -320,6 +338,7 @@ acpi_ex_system_io_space_handler(u32 function,
break;
default:
+
status = AE_BAD_PARAMETER;
break;
}
diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c
index 8565b6bd12b..acd34f59931 100644
--- a/drivers/acpi/acpica/exresnte.c
+++ b/drivers/acpi/acpica/exresnte.c
@@ -248,6 +248,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
break;
default:
+
/* No named references are allowed here */
ACPI_ERROR((AE_INFO,
diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c
index e4f9dfbb2a1..ac04278ad28 100644
--- a/drivers/acpi/acpica/exresolv.c
+++ b/drivers/acpi/acpica/exresolv.c
@@ -156,7 +156,6 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
switch (ref_type) {
case ACPI_REFCLASS_LOCAL:
case ACPI_REFCLASS_ARG:
-
/*
* Get the local from the method's state info
* Note: this increments the local's object reference count
@@ -309,6 +308,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
break;
default:
+
break;
}
@@ -348,10 +348,12 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
case ACPI_DESC_TYPE_OPERAND:
+
type = obj_desc->common.type;
break;
case ACPI_DESC_TYPE_NAMED:
+
type = ((struct acpi_namespace_node *)obj_desc)->type;
obj_desc =
acpi_ns_get_attached_object((struct acpi_namespace_node *)
@@ -538,7 +540,9 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
break;
default:
+
/* No change to Type required */
+
break;
}
diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c
index 9fb9f5e9a4d..00e5af7129c 100644
--- a/drivers/acpi/acpica/exresop.c
+++ b/drivers/acpi/acpica/exresop.c
@@ -307,7 +307,6 @@ acpi_ex_resolve_operands(u16 opcode,
case ARGI_TARGETREF: /* Allows implicit conversion rules before store */
case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */
case ARGI_SIMPLE_TARGET: /* Name, Local, or arg - no implicit conversion */
-
/*
* Need an operand of type ACPI_TYPE_LOCAL_REFERENCE
* A Namespace Node is OK as-is
@@ -326,7 +325,6 @@ acpi_ex_resolve_operands(u16 opcode,
goto next_operand;
case ARGI_DATAREFOBJ: /* Store operator only */
-
/*
* We don't want to resolve index_op reference objects during
* a store because this would be an implicit de_ref_of operation.
@@ -343,7 +341,9 @@ acpi_ex_resolve_operands(u16 opcode,
break;
default:
+
/* All cases covered above */
+
break;
}
@@ -433,7 +433,6 @@ acpi_ex_resolve_operands(u16 opcode,
goto next_operand;
case ARGI_BUFFER:
-
/*
* Need an operand of type ACPI_TYPE_BUFFER,
* But we can implicitly convert from a STRING or INTEGER
@@ -459,7 +458,6 @@ acpi_ex_resolve_operands(u16 opcode,
goto next_operand;
case ARGI_STRING:
-
/*
* Need an operand of type ACPI_TYPE_STRING,
* But we can implicitly convert from a BUFFER or INTEGER
@@ -562,6 +560,7 @@ acpi_ex_resolve_operands(u16 opcode,
break;
default:
+
ACPI_ERROR((AE_INFO,
"Needed [Buffer/String/Package/Reference], found [%s] %p",
acpi_ut_get_object_type_name
@@ -584,6 +583,7 @@ acpi_ex_resolve_operands(u16 opcode,
break;
default:
+
ACPI_ERROR((AE_INFO,
"Needed [Buffer/String/Package], found [%s] %p",
acpi_ut_get_object_type_name
@@ -605,6 +605,7 @@ acpi_ex_resolve_operands(u16 opcode,
break;
default:
+
ACPI_ERROR((AE_INFO,
"Needed [Region/Buffer], found [%s] %p",
acpi_ut_get_object_type_name
diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c
index 93c6049c2d7..2bdba6f7d76 100644
--- a/drivers/acpi/acpica/exstore.c
+++ b/drivers/acpi/acpica/exstore.c
@@ -114,6 +114,7 @@ acpi_ex_store(union acpi_operand_object *source_desc,
switch (dest_desc->common.type) {
case ACPI_TYPE_LOCAL_REFERENCE:
+
break;
case ACPI_TYPE_INTEGER:
@@ -178,7 +179,6 @@ acpi_ex_store(union acpi_operand_object *source_desc,
break;
case ACPI_REFCLASS_DEBUG:
-
/*
* Storing to the Debug object causes the value stored to be
* displayed and otherwise has no effect -- see ACPI Specification
@@ -291,7 +291,6 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
break;
case ACPI_TYPE_BUFFER_FIELD:
-
/*
* Store into a Buffer or String (not actually a real buffer_field)
* at a location defined by an Index.
@@ -447,7 +446,6 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
-
/*
* These target types are all of type Integer/String/Buffer, and
* therefore support implicit conversion before the store.
diff --git a/drivers/acpi/acpica/exstoren.c b/drivers/acpi/acpica/exstoren.c
index 1cefe777068..20d809d90c5 100644
--- a/drivers/acpi/acpica/exstoren.c
+++ b/drivers/acpi/acpica/exstoren.c
@@ -85,11 +85,9 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
* These cases all require only Integers or values that
* can be converted to Integers (Strings or Buffers)
*/
-
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
-
/*
* Stores into a Field/Region or into a Integer/Buffer/String
* are all essentially the same. This case handles the
@@ -133,7 +131,6 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
case ACPI_TYPE_LOCAL_ALIAS:
case ACPI_TYPE_LOCAL_METHOD_ALIAS:
-
/*
* All aliases should have been resolved earlier, during the
* operand resolution phase.
@@ -144,7 +141,6 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
case ACPI_TYPE_PACKAGE:
default:
-
/*
* All other types than Alias and the various Fields come here,
* including the untyped case - ACPI_TYPE_ANY.
diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c
index 579c3a53ac8..3d36df828f5 100644
--- a/drivers/acpi/acpica/hwacpi.c
+++ b/drivers/acpi/acpica/hwacpi.c
@@ -108,7 +108,6 @@ acpi_status acpi_hw_set_mode(u32 mode)
break;
case ACPI_SYS_MODE_LEGACY:
-
/*
* BIOS should clear all fixed status bits and restore fixed event
* enable bits to default
@@ -120,6 +119,7 @@ acpi_status acpi_hw_set_mode(u32 mode)
break;
default:
+
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
index 20d02e93c99..96540506058 100644
--- a/drivers/acpi/acpica/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -127,14 +127,17 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action)
/*lint -fallthrough */
case ACPI_GPE_ENABLE:
+
ACPI_SET_BIT(enable_mask, register_bit);
break;
case ACPI_GPE_DISABLE:
+
ACPI_CLEAR_BIT(enable_mask, register_bit);
break;
default:
+
ACPI_ERROR((AE_INFO, "Invalid GPE Action, %u", action));
return (AE_BAD_PARAMETER);
}
diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c
index 083d6551f0e..8d2e866be15 100644
--- a/drivers/acpi/acpica/hwregs.c
+++ b/drivers/acpi/acpica/hwregs.c
@@ -419,6 +419,7 @@ acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value)
break;
default:
+
ACPI_ERROR((AE_INFO, "Unknown Register ID: 0x%X", register_id));
status = AE_BAD_PARAMETER;
break;
@@ -491,7 +492,6 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value)
break;
case ACPI_REGISTER_PM1_CONTROL: /* PM1 A/B: 16-bit access each */
-
/*
* Perform a read first to preserve certain bits (per ACPI spec)
* Note: This includes SCI_EN, we never want to change this bit
@@ -520,7 +520,6 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value)
break;
case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
-
/*
* For control registers, all reserved bits must be preserved,
* as per the ACPI spec.
@@ -555,6 +554,7 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value)
break;
default:
+
ACPI_ERROR((AE_INFO, "Unknown Register ID: 0x%X", register_id));
status = AE_BAD_PARAMETER;
break;
diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c
index 04c2e16f2c0..5ee7a814cd9 100644
--- a/drivers/acpi/acpica/hwxface.c
+++ b/drivers/acpi/acpica/hwxface.c
@@ -495,7 +495,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
* Evaluate the \_Sx namespace object containing the register values
* for this state
*/
- info->pathname =
+ info->relative_pathname =
ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]);
status = acpi_ns_evaluate(info);
if (ACPI_FAILURE(status)) {
@@ -506,7 +506,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
if (!info->return_object) {
ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]",
- info->pathname));
+ info->relative_pathname));
status = AE_AML_NO_RETURN_VALUE;
goto cleanup;
}
@@ -528,10 +528,12 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
elements = info->return_object->package.elements;
switch (info->return_object->package.count) {
case 0:
+
status = AE_AML_PACKAGE_LIMIT;
break;
case 1:
+
if (elements[0]->common.type != ACPI_TYPE_INTEGER) {
status = AE_AML_OPERAND_TYPE;
break;
@@ -545,6 +547,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
case 2:
default:
+
if ((elements[0]->common.type != ACPI_TYPE_INTEGER) ||
(elements[1]->common.type != ACPI_TYPE_INTEGER)) {
status = AE_AML_OPERAND_TYPE;
@@ -565,7 +568,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"While evaluating Sleep State [%s]",
- info->pathname));
+ info->relative_pathname));
}
ACPI_FREE(info);
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
index 35eebdac0f9..f2e669db8b6 100644
--- a/drivers/acpi/acpica/hwxfsleep.c
+++ b/drivers/acpi/acpica/hwxfsleep.c
@@ -240,12 +240,14 @@ static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id)
&acpi_sleep_dispatch[function_id];
#if (!ACPI_REDUCED_HARDWARE)
-
/*
* If the Hardware Reduced flag is set (from the FADT), we must
- * use the extended sleep registers
+ * use the extended sleep registers (FADT). Note: As per the ACPI
+ * specification, these extended registers are to be used for HW-reduced
+ * platforms only. They are not general-purpose replacements for the
+ * legacy PM register sleep support.
*/
- if (acpi_gbl_reduced_hardware || acpi_gbl_FADT.sleep_control.address) {
+ if (acpi_gbl_reduced_hardware) {
status = sleep_functions->extended_function(sleep_state);
} else {
/* Legacy sleep */
@@ -314,20 +316,24 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
switch (sleep_state) {
case ACPI_STATE_S0:
+
sst_value = ACPI_SST_WORKING;
break;
case ACPI_STATE_S1:
case ACPI_STATE_S2:
case ACPI_STATE_S3:
+
sst_value = ACPI_SST_SLEEPING;
break;
case ACPI_STATE_S4:
+
sst_value = ACPI_SST_SLEEP_CONTEXT;
break;
default:
+
sst_value = ACPI_SST_INDICATOR_OFF; /* Default is off */
break;
}
diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c
index 8769cf83b04..c5316e5bd4a 100644
--- a/drivers/acpi/acpica/nsaccess.c
+++ b/drivers/acpi/acpica/nsaccess.c
@@ -151,6 +151,7 @@ acpi_status acpi_ns_root_initialize(void)
*/
switch (init_val->type) {
case ACPI_TYPE_METHOD:
+
obj_desc->method.param_count =
(u8) ACPI_TO_INTEGER(val);
obj_desc->common.flags |= AOPOBJ_DATA_VALID;
diff --git a/drivers/acpi/acpica/nsarguments.c b/drivers/acpi/acpica/nsarguments.c
new file mode 100644
index 00000000000..74b24c82707
--- /dev/null
+++ b/drivers/acpi/acpica/nsarguments.c
@@ -0,0 +1,294 @@
+/******************************************************************************
+ *
+ * Module Name: nsarguments - Validation of args for ACPI predefined methods
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acpredef.h"
+
+#define _COMPONENT ACPI_NAMESPACE
+ACPI_MODULE_NAME("nsarguments")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_check_argument_types
+ *
+ * PARAMETERS: info - Method execution information block
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Check the incoming argument count and all argument types
+ * against the argument type list for a predefined name.
+ *
+ ******************************************************************************/
+void acpi_ns_check_argument_types(struct acpi_evaluate_info *info)
+{
+ u16 arg_type_list;
+ u8 arg_count;
+ u8 arg_type;
+ u8 user_arg_type;
+ u32 i;
+
+ /* If not a predefined name, cannot typecheck args */
+
+ if (!info->predefined) {
+ return;
+ }
+
+ arg_type_list = info->predefined->info.argument_list;
+ arg_count = METHOD_GET_ARG_COUNT(arg_type_list);
+
+ /* Typecheck all arguments */
+
+ for (i = 0; ((i < arg_count) && (i < info->param_count)); i++) {
+ arg_type = METHOD_GET_NEXT_TYPE(arg_type_list);
+ user_arg_type = info->parameters[i]->common.type;
+
+ if (user_arg_type != arg_type) {
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ ACPI_WARN_ALWAYS,
+ "Argument #%u type mismatch - "
+ "Found [%s], ACPI requires [%s]",
+ (i + 1),
+ acpi_ut_get_type_name
+ (user_arg_type),
+ acpi_ut_get_type_name(arg_type)));
+ }
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_check_acpi_compliance
+ *
+ * PARAMETERS: pathname - Full pathname to the node (for error msgs)
+ * node - Namespace node for the method/object
+ * predefined - Pointer to entry in predefined name table
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Check that the declared parameter count (in ASL/AML) for a
+ * predefined name is what is expected (matches what is defined in
+ * the ACPI specification for this predefined name.)
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_check_acpi_compliance(char *pathname,
+ struct acpi_namespace_node *node,
+ const union acpi_predefined_info *predefined)
+{
+ u32 aml_param_count;
+ u32 required_param_count;
+
+ if (!predefined) {
+ return;
+ }
+
+ /* Get the ACPI-required arg count from the predefined info table */
+
+ required_param_count =
+ METHOD_GET_ARG_COUNT(predefined->info.argument_list);
+
+ /*
+ * If this object is not a control method, we can check if the ACPI
+ * spec requires that it be a method.
+ */
+ if (node->type != ACPI_TYPE_METHOD) {
+ if (required_param_count > 0) {
+
+ /* Object requires args, must be implemented as a method */
+
+ ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname,
+ ACPI_WARN_ALWAYS,
+ "Object (%s) must be a control method with %u arguments",
+ acpi_ut_get_type_name(node->
+ type),
+ required_param_count));
+ } else if (!required_param_count
+ && !predefined->info.expected_btypes) {
+
+ /* Object requires no args and no return value, must be a method */
+
+ ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname,
+ ACPI_WARN_ALWAYS,
+ "Object (%s) must be a control method "
+ "with no arguments and no return value",
+ acpi_ut_get_type_name(node->
+ type)));
+ }
+
+ return;
+ }
+
+ /*
+ * This is a control method.
+ * Check that the ASL/AML-defined parameter count for this method
+ * matches the ACPI-required parameter count
+ *
+ * Some methods are allowed to have a "minimum" number of args (_SCP)
+ * because their definition in ACPI has changed over time.
+ *
+ * Note: These are BIOS errors in the declaration of the object
+ */
+ aml_param_count = node->object->method.param_count;
+
+ if (aml_param_count < required_param_count) {
+ ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS,
+ "Insufficient arguments - "
+ "ASL declared %u, ACPI requires %u",
+ aml_param_count,
+ required_param_count));
+ } else if ((aml_param_count > required_param_count)
+ && !(predefined->info.
+ argument_list & ARG_COUNT_IS_MINIMUM)) {
+ ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS,
+ "Excess arguments - "
+ "ASL declared %u, ACPI requires %u",
+ aml_param_count,
+ required_param_count));
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_check_argument_count
+ *
+ * PARAMETERS: pathname - Full pathname to the node (for error msgs)
+ * node - Namespace node for the method/object
+ * user_param_count - Number of args passed in by the caller
+ * predefined - Pointer to entry in predefined name table
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Check that incoming argument count matches the declared
+ * parameter count (in the ASL/AML) for an object.
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_check_argument_count(char *pathname,
+ struct acpi_namespace_node *node,
+ u32 user_param_count,
+ const union acpi_predefined_info *predefined)
+{
+ u32 aml_param_count;
+ u32 required_param_count;
+
+ if (!predefined) {
+ /*
+ * Not a predefined name. Check the incoming user argument count
+ * against the count that is specified in the method/object.
+ */
+ if (node->type != ACPI_TYPE_METHOD) {
+ if (user_param_count) {
+ ACPI_INFO_PREDEFINED((AE_INFO, pathname,
+ ACPI_WARN_ALWAYS,
+ "%u arguments were passed to a non-method ACPI object (%s)",
+ user_param_count,
+ acpi_ut_get_type_name
+ (node->type)));
+ }
+
+ return;
+ }
+
+ /*
+ * This is a control method. Check the parameter count.
+ * We can only check the incoming argument count against the
+ * argument count declared for the method in the ASL/AML.
+ *
+ * Emit a message if too few or too many arguments have been passed
+ * by the caller.
+ *
+ * Note: Too many arguments will not cause the method to
+ * fail. However, the method will fail if there are too few
+ * arguments and the method attempts to use one of the missing ones.
+ */
+ aml_param_count = node->object->method.param_count;
+
+ if (user_param_count < aml_param_count) {
+ ACPI_WARN_PREDEFINED((AE_INFO, pathname,
+ ACPI_WARN_ALWAYS,
+ "Insufficient arguments - "
+ "Caller passed %u, method requires %u",
+ user_param_count,
+ aml_param_count));
+ } else if (user_param_count > aml_param_count) {
+ ACPI_INFO_PREDEFINED((AE_INFO, pathname,
+ ACPI_WARN_ALWAYS,
+ "Excess arguments - "
+ "Caller passed %u, method requires %u",
+ user_param_count,
+ aml_param_count));
+ }
+
+ return;
+ }
+
+ /*
+ * This is a predefined name. Validate the user-supplied parameter
+ * count against the ACPI specification. We don't validate against
+ * the method itself because what is important here is that the
+ * caller is in conformance with the spec. (The arg count for the
+ * method was checked against the ACPI spec earlier.)
+ *
+ * Some methods are allowed to have a "minimum" number of args (_SCP)
+ * because their definition in ACPI has changed over time.
+ */
+ required_param_count =
+ METHOD_GET_ARG_COUNT(predefined->info.argument_list);
+
+ if (user_param_count < required_param_count) {
+ ACPI_WARN_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS,
+ "Insufficient arguments - "
+ "Caller passed %u, ACPI requires %u",
+ user_param_count, required_param_count));
+ } else if ((user_param_count > required_param_count) &&
+ !(predefined->info.argument_list & ARG_COUNT_IS_MINIMUM)) {
+ ACPI_INFO_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS,
+ "Excess arguments - "
+ "Caller passed %u, ACPI requires %u",
+ user_param_count, required_param_count));
+ }
+}
diff --git a/drivers/acpi/acpica/nsconvert.c b/drivers/acpi/acpica/nsconvert.c
index 8f79a9d2d50..acd2964c269 100644
--- a/drivers/acpi/acpica/nsconvert.c
+++ b/drivers/acpi/acpica/nsconvert.c
@@ -103,6 +103,7 @@ acpi_ns_convert_to_integer(union acpi_operand_object *original_object,
break;
default:
+
return (AE_AML_OPERAND_TYPE);
}
@@ -191,6 +192,7 @@ acpi_ns_convert_to_string(union acpi_operand_object *original_object,
break;
default:
+
return (AE_AML_OPERAND_TYPE);
}
@@ -294,6 +296,7 @@ acpi_ns_convert_to_buffer(union acpi_operand_object *original_object,
break;
default:
+
return (AE_AML_OPERAND_TYPE);
}
diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c
index ce6e9732620..7418c77fde8 100644
--- a/drivers/acpi/acpica/nsdump.c
+++ b/drivers/acpi/acpica/nsdump.c
@@ -244,10 +244,12 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
case ACPI_TYPE_BUFFER:
case ACPI_TYPE_STRING:
case ACPI_TYPE_METHOD:
+
acpi_os_printf("<No attached object>");
break;
default:
+
break;
}
@@ -433,6 +435,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
break;
default:
+
break;
}
break;
@@ -567,32 +570,39 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
goto cleanup;
case ACPI_TYPE_BUFFER_FIELD:
+
obj_desc =
(union acpi_operand_object *)obj_desc->buffer_field.
buffer_obj;
break;
case ACPI_TYPE_PACKAGE:
+
obj_desc = (void *)obj_desc->package.elements;
break;
case ACPI_TYPE_METHOD:
+
obj_desc = (void *)obj_desc->method.aml_start;
break;
case ACPI_TYPE_LOCAL_REGION_FIELD:
+
obj_desc = (void *)obj_desc->field.region_obj;
break;
case ACPI_TYPE_LOCAL_BANK_FIELD:
+
obj_desc = (void *)obj_desc->bank_field.region_obj;
break;
case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
obj_desc = (void *)obj_desc->index_field.index_obj;
break;
default:
+
goto cleanup;
}
diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c
index b61db69d567..18108bc2e51 100644
--- a/drivers/acpi/acpica/nseval.c
+++ b/drivers/acpi/acpica/nseval.c
@@ -61,7 +61,7 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
*
* PARAMETERS: info - Evaluation info block, contains:
* prefix_node - Prefix or Method/Object Node to execute
- * pathname - Name of method to execute, If NULL, the
+ * relative_path - Name of method to execute, If NULL, the
* Node is the object to execute
* parameters - List of parameters to pass to the method,
* terminated by NULL. Params itself may be
@@ -82,10 +82,9 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
*
******************************************************************************/
-acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
+acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info)
{
acpi_status status;
- struct acpi_namespace_node *node;
ACPI_FUNCTION_TRACE(ns_evaluate);
@@ -93,83 +92,138 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Initialize the return value to an invalid object */
-
- info->return_object = NULL;
- info->param_count = 0;
-
- if (!info->resolved_node) {
+ if (!info->node) {
/*
- * Get the actual namespace node for the target object if we need to.
- * Handles these cases:
+ * Get the actual namespace node for the target object if we
+ * need to. Handles these cases:
*
- * 1) Null node, Pathname (absolute path)
- * 2) Node, Pathname (path relative to Node)
- * 3) Node, Null Pathname
+ * 1) Null node, valid pathname from root (absolute path)
+ * 2) Node and valid pathname (path relative to Node)
+ * 3) Node, Null pathname
*/
- status = acpi_ns_get_node(info->prefix_node, info->pathname,
- ACPI_NS_NO_UPSEARCH,
- &info->resolved_node);
+ status =
+ acpi_ns_get_node(info->prefix_node, info->relative_pathname,
+ ACPI_NS_NO_UPSEARCH, &info->node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
/*
- * For a method alias, we must grab the actual method node so that proper
- * scoping context will be established before execution.
+ * For a method alias, we must grab the actual method node so that
+ * proper scoping context will be established before execution.
*/
- if (acpi_ns_get_type(info->resolved_node) ==
- ACPI_TYPE_LOCAL_METHOD_ALIAS) {
- info->resolved_node =
+ if (acpi_ns_get_type(info->node) == ACPI_TYPE_LOCAL_METHOD_ALIAS) {
+ info->node =
ACPI_CAST_PTR(struct acpi_namespace_node,
- info->resolved_node->object);
+ info->node->object);
+ }
+
+ /* Complete the info block initialization */
+
+ info->return_object = NULL;
+ info->node_flags = info->node->flags;
+ info->obj_desc = acpi_ns_get_attached_object(info->node);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n",
+ info->relative_pathname, info->node,
+ acpi_ns_get_attached_object(info->node)));
+
+ /* Get info if we have a predefined name (_HID, etc.) */
+
+ info->predefined =
+ acpi_ut_match_predefined_method(info->node->name.ascii);
+
+ /* Get the full pathname to the object, for use in warning messages */
+
+ info->full_pathname = acpi_ns_get_external_pathname(info->node);
+ if (!info->full_pathname) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
- ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n", info->pathname,
- info->resolved_node,
- acpi_ns_get_attached_object(info->resolved_node)));
+ /* Count the number of arguments being passed in */
+
+ info->param_count = 0;
+ if (info->parameters) {
+ while (info->parameters[info->param_count]) {
+ info->param_count++;
+ }
+
+ /* Warn on impossible argument count */
+
+ if (info->param_count > ACPI_METHOD_NUM_ARGS) {
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ ACPI_WARN_ALWAYS,
+ "Excess arguments (%u) - using only %u",
+ info->param_count,
+ ACPI_METHOD_NUM_ARGS));
+
+ info->param_count = ACPI_METHOD_NUM_ARGS;
+ }
+ }
+
+ /*
+ * For predefined names: Check that the declared argument count
+ * matches the ACPI spec -- otherwise this is a BIOS error.
+ */
+ acpi_ns_check_acpi_compliance(info->full_pathname, info->node,
+ info->predefined);
+
+ /*
+ * For all names: Check that the incoming argument count for
+ * this method/object matches the actual ASL/AML definition.
+ */
+ acpi_ns_check_argument_count(info->full_pathname, info->node,
+ info->param_count, info->predefined);
- node = info->resolved_node;
+ /* For predefined names: Typecheck all incoming arguments */
+
+ acpi_ns_check_argument_types(info);
/*
- * Two major cases here:
+ * Three major evaluation cases:
*
- * 1) The object is a control method -- execute it
- * 2) The object is not a method -- just return it's current value
+ * 1) Object types that cannot be evaluated by definition
+ * 2) The object is a control method -- execute it
+ * 3) The object is not a method -- just return it's current value
*/
- if (acpi_ns_get_type(info->resolved_node) == ACPI_TYPE_METHOD) {
+ switch (acpi_ns_get_type(info->node)) {
+ case ACPI_TYPE_DEVICE:
+ case ACPI_TYPE_EVENT:
+ case ACPI_TYPE_MUTEX:
+ case ACPI_TYPE_REGION:
+ case ACPI_TYPE_THERMAL:
+ case ACPI_TYPE_LOCAL_SCOPE:
+ /*
+ * 1) Disallow evaluation of certain object types. For these,
+ * object evaluation is undefined and not supported.
+ */
+ ACPI_ERROR((AE_INFO,
+ "%s: Evaluation of object type [%s] is not supported",
+ info->full_pathname,
+ acpi_ut_get_type_name(info->node->type)));
+
+ status = AE_TYPE;
+ goto cleanup;
+
+ case ACPI_TYPE_METHOD:
/*
- * 1) Object is a control method - execute it
+ * 2) Object is a control method - execute it
*/
/* Verify that there is a method object associated with this node */
- info->obj_desc =
- acpi_ns_get_attached_object(info->resolved_node);
if (!info->obj_desc) {
ACPI_ERROR((AE_INFO,
- "Control method has no attached sub-object"));
- return_ACPI_STATUS(AE_NULL_OBJECT);
+ "%s: Method has no attached sub-object",
+ info->full_pathname));
+ status = AE_NULL_OBJECT;
+ goto cleanup;
}
- /* Count the number of arguments being passed to the method */
-
- if (info->parameters) {
- while (info->parameters[info->param_count]) {
- if (info->param_count > ACPI_METHOD_MAX_ARG) {
- return_ACPI_STATUS(AE_LIMIT);
- }
- info->param_count++;
- }
- }
-
-
- ACPI_DUMP_PATHNAME(info->resolved_node, "ACPI: Execute Method",
- ACPI_LV_INFO, _COMPONENT);
-
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Method at AML address %p Length %X\n",
+ "**** Execute method [%s] at AML address %p length %X\n",
+ info->full_pathname,
info->obj_desc->method.aml_start + 1,
info->obj_desc->method.aml_length - 1));
@@ -184,81 +238,61 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
acpi_ex_enter_interpreter();
status = acpi_ps_execute_method(info);
acpi_ex_exit_interpreter();
- } else {
+ break;
+
+ default:
/*
- * 2) Object is not a method, return its current value
- *
- * Disallow certain object types. For these, "evaluation" is undefined.
+ * 3) All other non-method objects -- get the current object value
*/
- switch (info->resolved_node->type) {
- case ACPI_TYPE_DEVICE:
- case ACPI_TYPE_EVENT:
- case ACPI_TYPE_MUTEX:
- case ACPI_TYPE_REGION:
- case ACPI_TYPE_THERMAL:
- case ACPI_TYPE_LOCAL_SCOPE:
-
- ACPI_ERROR((AE_INFO,
- "[%4.4s] Evaluation of object type [%s] is not supported",
- info->resolved_node->name.ascii,
- acpi_ut_get_type_name(info->resolved_node->
- type)));
-
- return_ACPI_STATUS(AE_TYPE);
-
- default:
- break;
- }
/*
- * Objects require additional resolution steps (e.g., the Node may be
- * a field that must be read, etc.) -- we can't just grab the object
- * out of the node.
+ * Some objects require additional resolution steps (e.g., the Node
+ * may be a field that must be read, etc.) -- we can't just grab
+ * the object out of the node.
*
* Use resolve_node_to_value() to get the associated value.
*
* NOTE: we can get away with passing in NULL for a walk state because
- * resolved_node is guaranteed to not be a reference to either a method
+ * the Node is guaranteed to not be a reference to either a method
* local or a method argument (because this interface is never called
* from a running method.)
*
* Even though we do not directly invoke the interpreter for object
- * resolution, we must lock it because we could access an opregion.
- * The opregion access code assumes that the interpreter is locked.
+ * resolution, we must lock it because we could access an op_region.
+ * The op_region access code assumes that the interpreter is locked.
*/
acpi_ex_enter_interpreter();
- /* Function has a strange interface */
+ /* TBD: resolve_node_to_value has a strange interface, fix */
+
+ info->return_object =
+ ACPI_CAST_PTR(union acpi_operand_object, info->node);
status =
- acpi_ex_resolve_node_to_value(&info->resolved_node, NULL);
+ acpi_ex_resolve_node_to_value(ACPI_CAST_INDIRECT_PTR
+ (struct acpi_namespace_node,
+ &info->return_object), NULL);
acpi_ex_exit_interpreter();
- /*
- * If acpi_ex_resolve_node_to_value() succeeded, the return value was placed
- * in resolved_node.
- */
- if (ACPI_SUCCESS(status)) {
- status = AE_CTRL_RETURN_VALUE;
- info->return_object =
- ACPI_CAST_PTR(union acpi_operand_object,
- info->resolved_node);
-
- ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
- "Returning object %p [%s]\n",
- info->return_object,
- acpi_ut_get_object_type_name(info->
- return_object)));
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
}
+
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "Returned object %p [%s]\n",
+ info->return_object,
+ acpi_ut_get_object_type_name(info->
+ return_object)));
+
+ status = AE_CTRL_RETURN_VALUE; /* Always has a "return value" */
+ break;
}
/*
- * Check input argument count against the ASL-defined count for a method.
- * Also check predefined names: argument count and return value against
- * the ACPI specification. Some incorrect return value types are repaired.
+ * For predefined names, check the return value against the ACPI
+ * specification. Some incorrect return value types are repaired.
*/
- (void)acpi_ns_check_predefined_names(node, info->param_count,
- status, &info->return_object);
+ (void)acpi_ns_check_return_value(info->node, info, info->param_count,
+ status, &info->return_object);
/* Check if there is a return value that must be dealt with */
@@ -278,12 +312,15 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"*** Completed evaluation of object %s ***\n",
- info->pathname));
+ info->relative_pathname));
+ cleanup:
/*
* Namespace was unlocked by the handling acpi_ns* function, so we
- * just return
+ * just free the pathname and return
*/
+ ACPI_FREE(info->full_pathname);
+ info->full_pathname = NULL;
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index 46f0f83417a..dd2ceae3f71 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -176,7 +176,7 @@ acpi_status acpi_ns_initialize_devices(void)
* part of the ACPI specification.
*/
info.evaluate_info->prefix_node = acpi_gbl_root_node;
- info.evaluate_info->pathname = METHOD_NAME__INI;
+ info.evaluate_info->relative_pathname = METHOD_NAME__INI;
info.evaluate_info->parameters = NULL;
info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE;
@@ -266,28 +266,34 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
switch (type) {
case ACPI_TYPE_REGION:
+
info->op_region_count++;
break;
case ACPI_TYPE_BUFFER_FIELD:
+
info->field_count++;
break;
case ACPI_TYPE_LOCAL_BANK_FIELD:
+
info->field_count++;
break;
case ACPI_TYPE_BUFFER:
+
info->buffer_count++;
break;
case ACPI_TYPE_PACKAGE:
+
info->package_count++;
break;
default:
/* No init required, just exit now */
+
return (AE_OK);
}
@@ -337,7 +343,9 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
break;
default:
+
/* No other types can get here */
+
break;
}
@@ -416,6 +424,7 @@ acpi_ns_find_ini_methods(acpi_handle obj_handle,
break;
default:
+
break;
}
@@ -560,7 +569,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
ACPI_MEMSET(info, 0, sizeof(struct acpi_evaluate_info));
info->prefix_node = device_node;
- info->pathname = METHOD_NAME__INI;
+ info->relative_pathname = METHOD_NAME__INI;
info->parameters = NULL;
info->flags = ACPI_IGNORE_RETURN_VALUE;
@@ -574,8 +583,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
/* Ignore error and move on to next device */
- char *scope_name =
- acpi_ns_get_external_pathname(info->resolved_node);
+ char *scope_name = acpi_ns_get_external_pathname(info->node);
ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution",
scope_name));
diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c
index 8a52916148c..24b71a01bf9 100644
--- a/drivers/acpi/acpica/nspredef.c
+++ b/drivers/acpi/acpica/nspredef.c
@@ -61,28 +61,29 @@ ACPI_MODULE_NAME("nspredef")
* There are several areas that are validated:
*
* 1) The number of input arguments as defined by the method/object in the
- * ASL is validated against the ACPI specification.
+ * ASL is validated against the ACPI specification.
* 2) The type of the return object (if any) is validated against the ACPI
- * specification.
+ * specification.
* 3) For returned package objects, the count of package elements is
- * validated, as well as the type of each package element. Nested
- * packages are supported.
+ * validated, as well as the type of each package element. Nested
+ * packages are supported.
*
* For any problems found, a warning message is issued.
*
******************************************************************************/
/* Local prototypes */
static acpi_status
-acpi_ns_check_reference(struct acpi_predefined_data *data,
+acpi_ns_check_reference(struct acpi_evaluate_info *info,
union acpi_operand_object *return_object);
static u32 acpi_ns_get_bitmapped_type(union acpi_operand_object *return_object);
/*******************************************************************************
*
- * FUNCTION: acpi_ns_check_predefined_names
+ * FUNCTION: acpi_ns_check_return_value
*
* PARAMETERS: node - Namespace node for the method/object
+ * info - Method execution information block
* user_param_count - Number of parameters actually passed
* return_status - Status from the object evaluation
* return_object_ptr - Pointer to the object returned from the
@@ -90,44 +91,25 @@ static u32 acpi_ns_get_bitmapped_type(union acpi_operand_object *return_object);
*
* RETURN: Status
*
- * DESCRIPTION: Check an ACPI name for a match in the predefined name list.
+ * DESCRIPTION: Check the value returned from a predefined name.
*
******************************************************************************/
acpi_status
-acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
- u32 user_param_count,
- acpi_status return_status,
- union acpi_operand_object **return_object_ptr)
+acpi_ns_check_return_value(struct acpi_namespace_node *node,
+ struct acpi_evaluate_info *info,
+ u32 user_param_count,
+ acpi_status return_status,
+ union acpi_operand_object **return_object_ptr)
{
- acpi_status status = AE_OK;
+ acpi_status status;
const union acpi_predefined_info *predefined;
- char *pathname;
- struct acpi_predefined_data *data;
-
- /* Match the name for this method/object against the predefined list */
-
- predefined = acpi_ut_match_predefined_method(node->name.ascii);
-
- /* Get the full pathname to the object, for use in warning messages */
-
- pathname = acpi_ns_get_external_pathname(node);
- if (!pathname) {
- return (AE_OK); /* Could not get pathname, ignore */
- }
-
- /*
- * Check that the parameter count for this method matches the ASL
- * definition. For predefined names, ensure that both the caller and
- * the method itself are in accordance with the ACPI specification.
- */
- acpi_ns_check_parameter_count(pathname, node, user_param_count,
- predefined);
/* If not a predefined name, we cannot validate the return object */
+ predefined = info->predefined;
if (!predefined) {
- goto cleanup;
+ return (AE_OK);
}
/*
@@ -135,7 +117,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
* validate the return object
*/
if ((return_status != AE_OK) && (return_status != AE_CTRL_RETURN_VALUE)) {
- goto cleanup;
+ return (AE_OK);
}
/*
@@ -154,25 +136,14 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
if (acpi_gbl_disable_auto_repair ||
(!predefined->info.expected_btypes) ||
(predefined->info.expected_btypes == ACPI_RTYPE_ALL)) {
- goto cleanup;
- }
-
- /* Create the parameter data block for object validation */
-
- data = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_predefined_data));
- if (!data) {
- goto cleanup;
+ return (AE_OK);
}
- data->predefined = predefined;
- data->node = node;
- data->node_flags = node->flags;
- data->pathname = pathname;
/*
* Check that the type of the main return object is what is expected
* for this predefined name
*/
- status = acpi_ns_check_object_type(data, return_object_ptr,
+ status = acpi_ns_check_object_type(info, return_object_ptr,
predefined->info.expected_btypes,
ACPI_NOT_PACKAGE_ELEMENT);
if (ACPI_FAILURE(status)) {
@@ -184,10 +155,16 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
* Note: Package may have been newly created by call above.
*/
if ((*return_object_ptr)->common.type == ACPI_TYPE_PACKAGE) {
- data->parent_package = *return_object_ptr;
- status = acpi_ns_check_package(data, return_object_ptr);
+ info->parent_package = *return_object_ptr;
+ status = acpi_ns_check_package(info, return_object_ptr);
if (ACPI_FAILURE(status)) {
- goto exit;
+
+ /* We might be able to fix some errors */
+
+ if ((status != AE_AML_OPERAND_TYPE) &&
+ (status != AE_AML_OPERAND_VALUE)) {
+ goto exit;
+ }
}
}
@@ -199,7 +176,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
* performed on a per-name basis, i.e., the code is specific to
* particular predefined names.
*/
- status = acpi_ns_complex_repairs(data, node, status, return_object_ptr);
+ status = acpi_ns_complex_repairs(info, node, status, return_object_ptr);
exit:
/*
@@ -207,112 +184,18 @@ exit:
* or more objects, mark the parent node to suppress further warning
* messages during the next evaluation of the same method/object.
*/
- if (ACPI_FAILURE(status) || (data->flags & ACPI_OBJECT_REPAIRED)) {
+ if (ACPI_FAILURE(status) || (info->return_flags & ACPI_OBJECT_REPAIRED)) {
node->flags |= ANOBJ_EVALUATED;
}
- ACPI_FREE(data);
-cleanup:
- ACPI_FREE(pathname);
return (status);
}
/*******************************************************************************
*
- * FUNCTION: acpi_ns_check_parameter_count
- *
- * PARAMETERS: pathname - Full pathname to the node (for error msgs)
- * node - Namespace node for the method/object
- * user_param_count - Number of args passed in by the caller
- * predefined - Pointer to entry in predefined name table
- *
- * RETURN: None
- *
- * DESCRIPTION: Check that the declared (in ASL/AML) parameter count for a
- * predefined name is what is expected (i.e., what is defined in
- * the ACPI specification for this predefined name.)
- *
- ******************************************************************************/
-
-void
-acpi_ns_check_parameter_count(char *pathname,
- struct acpi_namespace_node *node,
- u32 user_param_count,
- const union acpi_predefined_info *predefined)
-{
- u32 param_count;
- u32 required_params_current;
- u32 required_params_old;
-
- /* Methods have 0-7 parameters. All other types have zero. */
-
- param_count = 0;
- if (node->type == ACPI_TYPE_METHOD) {
- param_count = node->object->method.param_count;
- }
-
- if (!predefined) {
- /*
- * Check the parameter count for non-predefined methods/objects.
- *
- * Warning if too few or too many arguments have been passed by the
- * caller. An incorrect number of arguments may not cause the method
- * to fail. However, the method will fail if there are too few
- * arguments and the method attempts to use one of the missing ones.
- */
- if (user_param_count < param_count) {
- ACPI_WARN_PREDEFINED((AE_INFO, pathname,
- ACPI_WARN_ALWAYS,
- "Insufficient arguments - needs %u, found %u",
- param_count, user_param_count));
- } else if (user_param_count > param_count) {
- ACPI_WARN_PREDEFINED((AE_INFO, pathname,
- ACPI_WARN_ALWAYS,
- "Excess arguments - needs %u, found %u",
- param_count, user_param_count));
- }
- return;
- }
-
- /*
- * Validate the user-supplied parameter count.
- * Allow two different legal argument counts (_SCP, etc.)
- */
- required_params_current =
- predefined->info.argument_list & METHOD_ARG_MASK;
- required_params_old =
- predefined->info.argument_list >> METHOD_ARG_BIT_WIDTH;
-
- if (user_param_count != ACPI_UINT32_MAX) {
- if ((user_param_count != required_params_current) &&
- (user_param_count != required_params_old)) {
- ACPI_WARN_PREDEFINED((AE_INFO, pathname,
- ACPI_WARN_ALWAYS,
- "Parameter count mismatch - "
- "caller passed %u, ACPI requires %u",
- user_param_count,
- required_params_current));
- }
- }
-
- /*
- * Check that the ASL-defined parameter count is what is expected for
- * this predefined name (parameter count as defined by the ACPI
- * specification)
- */
- if ((param_count != required_params_current) &&
- (param_count != required_params_old)) {
- ACPI_WARN_PREDEFINED((AE_INFO, pathname, node->flags,
- "Parameter count mismatch - ASL declared %u, ACPI requires %u",
- param_count, required_params_current));
- }
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ns_check_object_type
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
* expected_btypes - Bitmap of expected return type(s)
@@ -328,7 +211,7 @@ acpi_ns_check_parameter_count(char *pathname,
******************************************************************************/
acpi_status
-acpi_ns_check_object_type(struct acpi_predefined_data *data,
+acpi_ns_check_object_type(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr,
u32 expected_btypes, u32 package_index)
{
@@ -340,7 +223,8 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
if (return_object &&
ACPI_GET_DESCRIPTOR_TYPE(return_object) == ACPI_DESC_TYPE_NAMED) {
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ info->node_flags,
"Invalid return type - Found a Namespace node [%4.4s] type %s",
return_object->node.name.ascii,
acpi_ut_get_type_name(return_object->node.
@@ -356,8 +240,8 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
* from all of the predefined names (including elements of returned
* packages)
*/
- data->return_btype = acpi_ns_get_bitmapped_type(return_object);
- if (data->return_btype == ACPI_RTYPE_ANY) {
+ info->return_btype = acpi_ns_get_bitmapped_type(return_object);
+ if (info->return_btype == ACPI_RTYPE_ANY) {
/* Not one of the supported objects, must be incorrect */
goto type_error_exit;
@@ -365,16 +249,18 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
/* For reference objects, check that the reference type is correct */
- if ((data->return_btype & expected_btypes) == ACPI_RTYPE_REFERENCE) {
- status = acpi_ns_check_reference(data, return_object);
+ if ((info->return_btype & expected_btypes) == ACPI_RTYPE_REFERENCE) {
+ status = acpi_ns_check_reference(info, return_object);
return (status);
}
/* Attempt simple repair of the returned object if necessary */
- status = acpi_ns_simple_repair(data, expected_btypes,
+ status = acpi_ns_simple_repair(info, expected_btypes,
package_index, return_object_ptr);
- return (status);
+ if (ACPI_SUCCESS(status)) {
+ return (AE_OK); /* Successful repair */
+ }
type_error_exit:
@@ -383,12 +269,14 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
acpi_ut_get_expected_return_types(type_buffer, expected_btypes);
if (package_index == ACPI_NOT_PACKAGE_ELEMENT) {
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ info->node_flags,
"Return type mismatch - found %s, expected %s",
acpi_ut_get_object_type_name
(return_object), type_buffer));
} else {
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ info->node_flags,
"Return Package type mismatch at index %u - "
"found %s, expected %s", package_index,
acpi_ut_get_object_type_name
@@ -402,7 +290,7 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_check_reference
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* return_object - Object returned from the evaluation of a
* method or object
*
@@ -415,7 +303,7 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
******************************************************************************/
static acpi_status
-acpi_ns_check_reference(struct acpi_predefined_data *data,
+acpi_ns_check_reference(struct acpi_evaluate_info *info,
union acpi_operand_object *return_object)
{
@@ -428,7 +316,7 @@ acpi_ns_check_reference(struct acpi_predefined_data *data,
return (AE_OK);
}
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, info->node_flags,
"Return type mismatch - unexpected reference object type [%s] %2.2X",
acpi_ut_get_reference_name(return_object),
return_object->reference.class));
@@ -462,26 +350,32 @@ static u32 acpi_ns_get_bitmapped_type(union acpi_operand_object *return_object)
switch (return_object->common.type) {
case ACPI_TYPE_INTEGER:
+
return_btype = ACPI_RTYPE_INTEGER;
break;
case ACPI_TYPE_BUFFER:
+
return_btype = ACPI_RTYPE_BUFFER;
break;
case ACPI_TYPE_STRING:
+
return_btype = ACPI_RTYPE_STRING;
break;
case ACPI_TYPE_PACKAGE:
+
return_btype = ACPI_RTYPE_PACKAGE;
break;
case ACPI_TYPE_LOCAL_REFERENCE:
+
return_btype = ACPI_RTYPE_REFERENCE;
break;
default:
+
/* Not one of the supported objects, must be incorrect */
return_btype = ACPI_RTYPE_ANY;
diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c
index 77cdd539de1..6d55cef7916 100644
--- a/drivers/acpi/acpica/nsprepkg.c
+++ b/drivers/acpi/acpica/nsprepkg.c
@@ -51,12 +51,12 @@ ACPI_MODULE_NAME("nsprepkg")
/* Local prototypes */
static acpi_status
-acpi_ns_check_package_list(struct acpi_predefined_data *data,
+acpi_ns_check_package_list(struct acpi_evaluate_info *info,
const union acpi_predefined_info *package,
union acpi_operand_object **elements, u32 count);
static acpi_status
-acpi_ns_check_package_elements(struct acpi_predefined_data *data,
+acpi_ns_check_package_elements(struct acpi_evaluate_info *info,
union acpi_operand_object **elements,
u8 type1,
u32 count1,
@@ -66,7 +66,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_check_package
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@@ -78,7 +78,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data,
******************************************************************************/
acpi_status
-acpi_ns_check_package(struct acpi_predefined_data *data,
+acpi_ns_check_package(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
@@ -93,18 +93,18 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* The package info for this name is in the next table entry */
- package = data->predefined + 1;
+ package = info->predefined + 1;
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"%s Validating return Package of Type %X, Count %X\n",
- data->pathname, package->ret_info.type,
+ info->full_pathname, package->ret_info.type,
return_object->package.count));
/*
* For variable-length Packages, we can safely remove all embedded
* and trailing NULL package elements
*/
- acpi_ns_remove_null_elements(data, package->ret_info.type,
+ acpi_ns_remove_null_elements(info, package->ret_info.type,
return_object);
/* Extract package count and elements array */
@@ -121,7 +121,8 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
return (AE_OK);
}
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ info->node_flags,
"Return Package has no elements (empty)"));
return (AE_AML_OPERAND_VALUE);
@@ -135,7 +136,6 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
*/
switch (package->ret_info.type) {
case ACPI_PTYPE1_FIXED:
-
/*
* The package count is fixed and there are no sub-packages
*
@@ -150,13 +150,13 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Return Package is larger than needed - "
"found %u, expected %u\n",
- data->pathname, count,
+ info->full_pathname, count,
expected_count));
}
/* Validate all elements of the returned package */
- status = acpi_ns_check_package_elements(data, elements,
+ status = acpi_ns_check_package_elements(info, elements,
package->ret_info.
object_type1,
package->ret_info.
@@ -168,13 +168,12 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
break;
case ACPI_PTYPE1_VAR:
-
/*
* The package count is variable, there are no sub-packages, and all
* elements must be of the same type
*/
for (i = 0; i < count; i++) {
- status = acpi_ns_check_object_type(data, elements,
+ status = acpi_ns_check_object_type(info, elements,
package->ret_info.
object_type1, i);
if (ACPI_FAILURE(status)) {
@@ -185,7 +184,6 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
break;
case ACPI_PTYPE1_OPTION:
-
/*
* The package count is variable, there are no sub-packages. There are
* a fixed number of required elements, and a variable number of
@@ -206,7 +204,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* These are the required package elements (0, 1, or 2) */
status =
- acpi_ns_check_object_type(data, elements,
+ acpi_ns_check_object_type(info, elements,
package->
ret_info3.
object_type[i],
@@ -218,7 +216,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* These are the optional package elements */
status =
- acpi_ns_check_object_type(data, elements,
+ acpi_ns_check_object_type(info, elements,
package->
ret_info3.
tail_object_type,
@@ -235,7 +233,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* First element is the (Integer) revision */
- status = acpi_ns_check_object_type(data, elements,
+ status = acpi_ns_check_object_type(info, elements,
ACPI_RTYPE_INTEGER, 0);
if (ACPI_FAILURE(status)) {
return (status);
@@ -247,14 +245,14 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* Examine the sub-packages */
status =
- acpi_ns_check_package_list(data, package, elements, count);
+ acpi_ns_check_package_list(info, package, elements, count);
break;
case ACPI_PTYPE2_PKG_COUNT:
/* First element is the (Integer) count of sub-packages to follow */
- status = acpi_ns_check_object_type(data, elements,
+ status = acpi_ns_check_object_type(info, elements,
ACPI_RTYPE_INTEGER, 0);
if (ACPI_FAILURE(status)) {
return (status);
@@ -275,7 +273,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* Examine the sub-packages */
status =
- acpi_ns_check_package_list(data, package, elements, count);
+ acpi_ns_check_package_list(info, package, elements, count);
break;
case ACPI_PTYPE2:
@@ -283,7 +281,6 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
case ACPI_PTYPE2_MIN:
case ACPI_PTYPE2_COUNT:
case ACPI_PTYPE2_FIX_VAR:
-
/*
* These types all return a single Package that consists of a
* variable number of sub-Packages.
@@ -300,7 +297,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* Create the new outer package and populate it */
status =
- acpi_ns_wrap_with_package(data, return_object,
+ acpi_ns_wrap_with_package(info, return_object,
return_object_ptr);
if (ACPI_FAILURE(status)) {
return (status);
@@ -316,14 +313,15 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* Examine the sub-packages */
status =
- acpi_ns_check_package_list(data, package, elements, count);
+ acpi_ns_check_package_list(info, package, elements, count);
break;
default:
/* Should not get here if predefined info table is correct */
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ info->node_flags,
"Invalid internal return type in table entry: %X",
package->ret_info.type));
@@ -336,7 +334,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* Error exit for the case with an incorrect package count */
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, info->node_flags,
"Return Package is too small - found %u elements, expected %u",
count, expected_count));
@@ -347,7 +345,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_check_package_list
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* package - Pointer to package-specific info for method
* elements - Element list of parent package. All elements
* of this list should be of type Package.
@@ -360,7 +358,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
******************************************************************************/
static acpi_status
-acpi_ns_check_package_list(struct acpi_predefined_data *data,
+acpi_ns_check_package_list(struct acpi_evaluate_info *info,
const union acpi_predefined_info *package,
union acpi_operand_object **elements, u32 count)
{
@@ -381,11 +379,11 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
for (i = 0; i < count; i++) {
sub_package = *elements;
sub_elements = sub_package->package.elements;
- data->parent_package = sub_package;
+ info->parent_package = sub_package;
/* Each sub-object must be of type Package */
- status = acpi_ns_check_object_type(data, &sub_package,
+ status = acpi_ns_check_object_type(info, &sub_package,
ACPI_RTYPE_PACKAGE, i);
if (ACPI_FAILURE(status)) {
return (status);
@@ -393,7 +391,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
/* Examine the different types of expected sub-packages */
- data->parent_package = sub_package;
+ info->parent_package = sub_package;
switch (package->ret_info.type) {
case ACPI_PTYPE2:
case ACPI_PTYPE2_PKG_COUNT:
@@ -408,7 +406,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
}
status =
- acpi_ns_check_package_elements(data, sub_elements,
+ acpi_ns_check_package_elements(info, sub_elements,
package->ret_info.
object_type1,
package->ret_info.
@@ -434,7 +432,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
}
status =
- acpi_ns_check_package_elements(data, sub_elements,
+ acpi_ns_check_package_elements(info, sub_elements,
package->ret_info.
object_type1,
package->ret_info.
@@ -463,7 +461,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
for (j = 0; j < expected_count; j++) {
status =
- acpi_ns_check_object_type(data,
+ acpi_ns_check_object_type(info,
&sub_elements[j],
package->
ret_info2.
@@ -487,7 +485,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
/* Check the type of each sub-package element */
status =
- acpi_ns_check_package_elements(data, sub_elements,
+ acpi_ns_check_package_elements(info, sub_elements,
package->ret_info.
object_type1,
sub_package->package.
@@ -498,12 +496,11 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
break;
case ACPI_PTYPE2_COUNT:
-
/*
* First element is the (Integer) count of elements, including
* the count field (the ACPI name is num_elements)
*/
- status = acpi_ns_check_object_type(data, sub_elements,
+ status = acpi_ns_check_object_type(info, sub_elements,
ACPI_RTYPE_INTEGER,
0);
if (ACPI_FAILURE(status)) {
@@ -537,7 +534,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
/* Check the type of each sub-package element */
status =
- acpi_ns_check_package_elements(data,
+ acpi_ns_check_package_elements(info,
(sub_elements + 1),
package->ret_info.
object_type1,
@@ -562,7 +559,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
/* The sub-package count was smaller than required */
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, info->node_flags,
"Return Sub-Package[%u] is too small - found %u elements, expected %u",
i, sub_package->package.count, expected_count));
@@ -573,7 +570,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_check_package_elements
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* elements - Pointer to the package elements array
* type1 - Object type for first group
* count1 - Count for first group
@@ -589,7 +586,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
******************************************************************************/
static acpi_status
-acpi_ns_check_package_elements(struct acpi_predefined_data *data,
+acpi_ns_check_package_elements(struct acpi_evaluate_info *info,
union acpi_operand_object **elements,
u8 type1,
u32 count1,
@@ -605,7 +602,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data,
* The second group can have a count of zero.
*/
for (i = 0; i < count1; i++) {
- status = acpi_ns_check_object_type(data, this_element,
+ status = acpi_ns_check_object_type(info, this_element,
type1, i + start_index);
if (ACPI_FAILURE(status)) {
return (status);
@@ -614,7 +611,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data,
}
for (i = 0; i < count2; i++) {
- status = acpi_ns_check_object_type(data, this_element,
+ status = acpi_ns_check_object_type(info, this_element,
type2,
(i + count1 + start_index));
if (ACPI_FAILURE(status)) {
diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c
index 18f02e4ece0..f8e71ea6031 100644
--- a/drivers/acpi/acpica/nsrepair.c
+++ b/drivers/acpi/acpica/nsrepair.c
@@ -130,7 +130,7 @@ static const struct acpi_simple_repair_info acpi_object_repair_info[] = {
*
* FUNCTION: acpi_ns_simple_repair
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* expected_btypes - Object types expected
* package_index - Index of object within parent package (if
* applicable - ACPI_NOT_PACKAGE_ELEMENT
@@ -146,7 +146,7 @@ static const struct acpi_simple_repair_info acpi_object_repair_info[] = {
******************************************************************************/
acpi_status
-acpi_ns_simple_repair(struct acpi_predefined_data *data,
+acpi_ns_simple_repair(struct acpi_evaluate_info *info,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr)
@@ -162,12 +162,12 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
* Special repairs for certain names that are in the repair table.
* Check if this name is in the list of repairable names.
*/
- predefined = acpi_ns_match_simple_repair(data->node,
- data->return_btype,
+ predefined = acpi_ns_match_simple_repair(info->node,
+ info->return_btype,
package_index);
if (predefined) {
if (!return_object) {
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
ACPI_WARN_ALWAYS,
"Missing expected return value"));
}
@@ -191,7 +191,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
* Do not perform simple object repair unless the return type is not
* expected.
*/
- if (data->return_btype & expected_btypes) {
+ if (info->return_btype & expected_btypes) {
return (AE_OK);
}
@@ -211,7 +211,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
*/
if (!return_object) {
if (expected_btypes && (!(expected_btypes & ACPI_RTYPE_NONE))) {
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
ACPI_WARN_ALWAYS,
"Missing expected return value"));
@@ -247,14 +247,14 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
* for correct contents (expected object type or types).
*/
status =
- acpi_ns_wrap_with_package(data, return_object, &new_object);
+ acpi_ns_wrap_with_package(info, return_object, &new_object);
if (ACPI_SUCCESS(status)) {
/*
* The original object just had its reference count
* incremented for being inserted into the new package.
*/
*return_object_ptr = new_object; /* New Package object */
- data->flags |= ACPI_OBJECT_REPAIRED;
+ info->return_flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
}
}
@@ -277,7 +277,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
* package object as part of the repair, we don't need to
* change the reference count.
*/
- if (!(data->flags & ACPI_OBJECT_WRAPPED)) {
+ if (!(info->return_flags & ACPI_OBJECT_WRAPPED)) {
new_object->common.reference_count =
return_object->common.reference_count;
@@ -288,14 +288,14 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Converted %s to expected %s at Package index %u\n",
- data->pathname,
+ info->full_pathname,
acpi_ut_get_object_type_name(return_object),
acpi_ut_get_object_type_name(new_object),
package_index));
} else {
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Converted %s to expected %s\n",
- data->pathname,
+ info->full_pathname,
acpi_ut_get_object_type_name(return_object),
acpi_ut_get_object_type_name(new_object)));
}
@@ -304,7 +304,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
acpi_ut_remove_reference(return_object);
*return_object_ptr = new_object;
- data->flags |= ACPI_OBJECT_REPAIRED;
+ info->return_flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
}
@@ -359,7 +359,7 @@ static const struct acpi_simple_repair_info *acpi_ns_match_simple_repair(struct
*
* FUNCTION: acpi_ns_repair_null_element
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* expected_btypes - Object types expected
* package_index - Index of object within parent package (if
* applicable - ACPI_NOT_PACKAGE_ELEMENT
@@ -374,7 +374,7 @@ static const struct acpi_simple_repair_info *acpi_ns_match_simple_repair(struct
******************************************************************************/
acpi_status
-acpi_ns_repair_null_element(struct acpi_predefined_data *data,
+acpi_ns_repair_null_element(struct acpi_evaluate_info * info,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr)
@@ -424,16 +424,16 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data,
/* Set the reference count according to the parent Package object */
new_object->common.reference_count =
- data->parent_package->common.reference_count;
+ info->parent_package->common.reference_count;
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Converted NULL package element to expected %s at index %u\n",
- data->pathname,
+ info->full_pathname,
acpi_ut_get_object_type_name(new_object),
package_index));
*return_object_ptr = new_object;
- data->flags |= ACPI_OBJECT_REPAIRED;
+ info->return_flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
}
@@ -441,7 +441,7 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_remove_null_elements
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* package_type - An acpi_return_package_types value
* obj_desc - A Package object
*
@@ -454,7 +454,7 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data,
*****************************************************************************/
void
-acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
+acpi_ns_remove_null_elements(struct acpi_evaluate_info *info,
u8 package_type,
union acpi_operand_object *obj_desc)
{
@@ -480,6 +480,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
case ACPI_PTYPE2_MIN:
case ACPI_PTYPE2_REV_FIXED:
case ACPI_PTYPE2_FIX_VAR:
+
break;
default:
@@ -511,7 +512,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
if (new_count < count) {
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Found and removed %u NULL elements\n",
- data->pathname, (count - new_count)));
+ info->full_pathname, (count - new_count)));
/* NULL terminate list and update the package count */
@@ -524,7 +525,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_wrap_with_package
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* original_object - Pointer to the object to repair.
* obj_desc_ptr - The new package object is returned here
*
@@ -545,7 +546,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
******************************************************************************/
acpi_status
-acpi_ns_wrap_with_package(struct acpi_predefined_data *data,
+acpi_ns_wrap_with_package(struct acpi_evaluate_info *info,
union acpi_operand_object *original_object,
union acpi_operand_object **obj_desc_ptr)
{
@@ -566,12 +567,12 @@ acpi_ns_wrap_with_package(struct acpi_predefined_data *data,
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Wrapped %s with expected Package object\n",
- data->pathname,
+ info->full_pathname,
acpi_ut_get_object_type_name(original_object)));
/* Return the new object in the object pointer */
*obj_desc_ptr = pkg_obj_desc;
- data->flags |= ACPI_OBJECT_REPAIRED | ACPI_OBJECT_WRAPPED;
+ info->return_flags |= ACPI_OBJECT_REPAIRED | ACPI_OBJECT_WRAPPED;
return (AE_OK);
}
diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index 149e9b9c2c1..c84603ee83a 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -54,7 +54,7 @@ ACPI_MODULE_NAME("nsrepair2")
* be repaired on a per-name basis.
*/
typedef
-acpi_status(*acpi_repair_function) (struct acpi_predefined_data *data,
+acpi_status(*acpi_repair_function) (struct acpi_evaluate_info * info,
union acpi_operand_object
**return_object_ptr);
@@ -71,45 +71,57 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct
*node);
static acpi_status
-acpi_ns_repair_ALR(struct acpi_predefined_data *data,
+acpi_ns_repair_ALR(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
-acpi_ns_repair_CID(struct acpi_predefined_data *data,
+acpi_ns_repair_CID(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
-acpi_ns_repair_FDE(struct acpi_predefined_data *data,
+acpi_ns_repair_CST(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
-acpi_ns_repair_HID(struct acpi_predefined_data *data,
+acpi_ns_repair_FDE(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
-acpi_ns_repair_PSS(struct acpi_predefined_data *data,
+acpi_ns_repair_HID(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
-acpi_ns_repair_TSS(struct acpi_predefined_data *data,
+acpi_ns_repair_PRT(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
-acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
+acpi_ns_repair_PSS(struct acpi_evaluate_info *info,
+ union acpi_operand_object **return_object_ptr);
+
+static acpi_status
+acpi_ns_repair_TSS(struct acpi_evaluate_info *info,
+ union acpi_operand_object **return_object_ptr);
+
+static acpi_status
+acpi_ns_check_sorted_list(struct acpi_evaluate_info *info,
union acpi_operand_object *return_object,
+ u32 start_index,
u32 expected_count,
u32 sort_index,
u8 sort_direction, char *sort_key_name);
-static void
-acpi_ns_sort_list(union acpi_operand_object **elements,
- u32 count, u32 index, u8 sort_direction);
-
/* Values for sort_direction above */
#define ACPI_SORT_ASCENDING 0
#define ACPI_SORT_DESCENDING 1
+static void
+acpi_ns_remove_element(union acpi_operand_object *obj_desc, u32 index);
+
+static void
+acpi_ns_sort_list(union acpi_operand_object **elements,
+ u32 count, u32 index, u8 sort_direction);
+
/*
* This table contains the names of the predefined methods for which we can
* perform more complex repairs.
@@ -118,9 +130,11 @@ acpi_ns_sort_list(union acpi_operand_object **elements,
*
* _ALR: Sort the list ascending by ambient_illuminance
* _CID: Strings: uppercase all, remove any leading asterisk
+ * _CST: Sort the list ascending by C state type
* _FDE: Convert Buffer of BYTEs to a Buffer of DWORDs
* _GTM: Convert Buffer of BYTEs to a Buffer of DWORDs
* _HID: Strings: uppercase all, remove any leading asterisk
+ * _PRT: Fix reversed source_name and source_index
* _PSS: Sort the list descending by Power
* _TSS: Sort the list descending by Power
*
@@ -134,9 +148,11 @@ acpi_ns_sort_list(union acpi_operand_object **elements,
static const struct acpi_repair_info acpi_ns_repairable_names[] = {
{"_ALR", acpi_ns_repair_ALR},
{"_CID", acpi_ns_repair_CID},
+ {"_CST", acpi_ns_repair_CST},
{"_FDE", acpi_ns_repair_FDE},
{"_GTM", acpi_ns_repair_FDE}, /* _GTM has same repair as _FDE */
{"_HID", acpi_ns_repair_HID},
+ {"_PRT", acpi_ns_repair_PRT},
{"_PSS", acpi_ns_repair_PSS},
{"_TSS", acpi_ns_repair_TSS},
{{0, 0, 0, 0}, NULL} /* Table terminator */
@@ -150,7 +166,7 @@ static const struct acpi_repair_info acpi_ns_repairable_names[] = {
*
* FUNCTION: acpi_ns_complex_repairs
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* node - Namespace node for the method/object
* validate_status - Original status of earlier validation
* return_object_ptr - Pointer to the object returned from the
@@ -165,7 +181,7 @@ static const struct acpi_repair_info acpi_ns_repairable_names[] = {
*****************************************************************************/
acpi_status
-acpi_ns_complex_repairs(struct acpi_predefined_data *data,
+acpi_ns_complex_repairs(struct acpi_evaluate_info *info,
struct acpi_namespace_node *node,
acpi_status validate_status,
union acpi_operand_object **return_object_ptr)
@@ -180,7 +196,7 @@ acpi_ns_complex_repairs(struct acpi_predefined_data *data,
return (validate_status);
}
- status = predefined->repair_function(data, return_object_ptr);
+ status = predefined->repair_function(info, return_object_ptr);
return (status);
}
@@ -219,7 +235,7 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct
*
* FUNCTION: acpi_ns_repair_ALR
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@@ -231,13 +247,13 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct
*****************************************************************************/
static acpi_status
-acpi_ns_repair_ALR(struct acpi_predefined_data *data,
+acpi_ns_repair_ALR(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
acpi_status status;
- status = acpi_ns_check_sorted_list(data, return_object, 2, 1,
+ status = acpi_ns_check_sorted_list(info, return_object, 0, 2, 1,
ACPI_SORT_ASCENDING,
"AmbientIlluminance");
@@ -248,7 +264,7 @@ acpi_ns_repair_ALR(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_repair_FDE
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@@ -262,7 +278,7 @@ acpi_ns_repair_ALR(struct acpi_predefined_data *data,
*****************************************************************************/
static acpi_status
-acpi_ns_repair_FDE(struct acpi_predefined_data *data,
+acpi_ns_repair_FDE(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
@@ -285,8 +301,8 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data,
/* We can only repair if we have exactly 5 BYTEs */
if (return_object->buffer.length != ACPI_FDE_BYTE_BUFFER_SIZE) {
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
- data->node_flags,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ info->node_flags,
"Incorrect return buffer length %u, expected %u",
return_object->buffer.length,
ACPI_FDE_DWORD_BUFFER_SIZE));
@@ -316,10 +332,11 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data,
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s Expanded Byte Buffer to expected DWord Buffer\n",
- data->pathname));
+ info->full_pathname));
break;
default:
+
return (AE_AML_OPERAND_TYPE);
}
@@ -328,7 +345,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data,
acpi_ut_remove_reference(return_object);
*return_object_ptr = buffer_object;
- data->flags |= ACPI_OBJECT_REPAIRED;
+ info->return_flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
}
@@ -336,7 +353,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_repair_CID
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@@ -349,7 +366,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data,
*****************************************************************************/
static acpi_status
-acpi_ns_repair_CID(struct acpi_predefined_data *data,
+acpi_ns_repair_CID(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
acpi_status status;
@@ -362,7 +379,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data,
/* Check for _CID as a simple string */
if (return_object->common.type == ACPI_TYPE_STRING) {
- status = acpi_ns_repair_HID(data, return_object_ptr);
+ status = acpi_ns_repair_HID(info, return_object_ptr);
return (status);
}
@@ -379,7 +396,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data,
original_element = *element_ptr;
original_ref_count = original_element->common.reference_count;
- status = acpi_ns_repair_HID(data, element_ptr);
+ status = acpi_ns_repair_HID(info, element_ptr);
if (ACPI_FAILURE(status)) {
return (status);
}
@@ -404,9 +421,95 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data,
/******************************************************************************
*
+ * FUNCTION: acpi_ns_repair_CST
+ *
+ * PARAMETERS: info - Method execution information block
+ * return_object_ptr - Pointer to the object returned from the
+ * evaluation of a method or object
+ *
+ * RETURN: Status. AE_OK if object is OK or was repaired successfully
+ *
+ * DESCRIPTION: Repair for the _CST object:
+ * 1. Sort the list ascending by C state type
+ * 2. Ensure type cannot be zero
+ * 3. A sub-package count of zero means _CST is meaningless
+ * 4. Count must match the number of C state sub-packages
+ *
+ *****************************************************************************/
+
+static acpi_status
+acpi_ns_repair_CST(struct acpi_evaluate_info *info,
+ union acpi_operand_object **return_object_ptr)
+{
+ union acpi_operand_object *return_object = *return_object_ptr;
+ union acpi_operand_object **outer_elements;
+ u32 outer_element_count;
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ u8 removing;
+ u32 i;
+
+ ACPI_FUNCTION_NAME(ns_repair_CST);
+
+ /*
+ * Check if the C-state type values are proportional.
+ */
+ outer_element_count = return_object->package.count - 1;
+ i = 0;
+ while (i < outer_element_count) {
+ outer_elements = &return_object->package.elements[i + 1];
+ removing = FALSE;
+
+ if ((*outer_elements)->package.count == 0) {
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ info->node_flags,
+ "SubPackage[%u] - removing entry due to zero count",
+ i));
+ removing = TRUE;
+ goto remove_element;
+ }
+
+ obj_desc = (*outer_elements)->package.elements[1]; /* Index1 = Type */
+ if ((u32)obj_desc->integer.value == 0) {
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ info->node_flags,
+ "SubPackage[%u] - removing entry due to invalid Type(0)",
+ i));
+ removing = TRUE;
+ }
+
+ remove_element:
+ if (removing) {
+ acpi_ns_remove_element(return_object, i + 1);
+ outer_element_count--;
+ } else {
+ i++;
+ }
+ }
+
+ /* Update top-level package count, Type "Integer" checked elsewhere */
+
+ obj_desc = return_object->package.elements[0];
+ obj_desc->integer.value = outer_element_count;
+
+ /*
+ * Entries (subpackages) in the _CST Package must be sorted by the
+ * C-state type, in ascending order.
+ */
+ status = acpi_ns_check_sorted_list(info, return_object, 1, 4, 1,
+ ACPI_SORT_ASCENDING, "C-State Type");
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
* FUNCTION: acpi_ns_repair_HID
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@@ -418,7 +521,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data,
*****************************************************************************/
static acpi_status
-acpi_ns_repair_HID(struct acpi_predefined_data *data,
+acpi_ns_repair_HID(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
@@ -435,12 +538,13 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data,
}
if (return_object->string.length == 0) {
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ info->node_flags,
"Invalid zero-length _HID or _CID string"));
/* Return AE_OK anyway, let driver handle it */
- data->flags |= ACPI_OBJECT_REPAIRED;
+ info->return_flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
}
@@ -464,7 +568,7 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data,
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Removed invalid leading asterisk\n",
- data->pathname));
+ info->full_pathname));
}
/*
@@ -486,53 +590,69 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data,
/******************************************************************************
*
- * FUNCTION: acpi_ns_repair_TSS
+ * FUNCTION: acpi_ns_repair_PRT
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
* RETURN: Status. AE_OK if object is OK or was repaired successfully
*
- * DESCRIPTION: Repair for the _TSS object. If necessary, sort the object list
- * descending by the power dissipation values.
+ * DESCRIPTION: Repair for the _PRT object. If necessary, fix reversed
+ * source_name and source_index field, a common BIOS bug.
*
*****************************************************************************/
static acpi_status
-acpi_ns_repair_TSS(struct acpi_predefined_data *data,
+acpi_ns_repair_PRT(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
- union acpi_operand_object *return_object = *return_object_ptr;
- acpi_status status;
- struct acpi_namespace_node *node;
+ union acpi_operand_object *package_object = *return_object_ptr;
+ union acpi_operand_object **top_object_list;
+ union acpi_operand_object **sub_object_list;
+ union acpi_operand_object *obj_desc;
+ u32 element_count;
+ u32 index;
- /*
- * We can only sort the _TSS return package if there is no _PSS in the
- * same scope. This is because if _PSS is present, the ACPI specification
- * dictates that the _TSS Power Dissipation field is to be ignored, and
- * therefore some BIOSs leave garbage values in the _TSS Power field(s).
- * In this case, it is best to just return the _TSS package as-is.
- * (May, 2011)
- */
- status =
- acpi_ns_get_node(data->node, "^_PSS", ACPI_NS_NO_UPSEARCH, &node);
- if (ACPI_SUCCESS(status)) {
- return (AE_OK);
- }
+ /* Each element in the _PRT package is a subpackage */
- status = acpi_ns_check_sorted_list(data, return_object, 5, 1,
- ACPI_SORT_DESCENDING,
- "PowerDissipation");
+ top_object_list = package_object->package.elements;
+ element_count = package_object->package.count;
- return (status);
+ for (index = 0; index < element_count; index++) {
+ sub_object_list = (*top_object_list)->package.elements;
+
+ /*
+ * If the BIOS has erroneously reversed the _PRT source_name (index 2)
+ * and the source_index (index 3), fix it. _PRT is important enough to
+ * workaround this BIOS error. This also provides compatibility with
+ * other ACPI implementations.
+ */
+ obj_desc = sub_object_list[3];
+ if (!obj_desc || (obj_desc->common.type != ACPI_TYPE_INTEGER)) {
+ sub_object_list[3] = sub_object_list[2];
+ sub_object_list[2] = obj_desc;
+ info->return_flags |= ACPI_OBJECT_REPAIRED;
+
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ info->node_flags,
+ "PRT[%X]: Fixed reversed SourceName and SourceIndex",
+ index));
+ }
+
+ /* Point to the next union acpi_operand_object in the top level package */
+
+ top_object_list++;
+ }
+
+ return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: acpi_ns_repair_PSS
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@@ -546,7 +666,7 @@ acpi_ns_repair_TSS(struct acpi_predefined_data *data,
*****************************************************************************/
static acpi_status
-acpi_ns_repair_PSS(struct acpi_predefined_data *data,
+acpi_ns_repair_PSS(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
@@ -564,7 +684,7 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data,
* incorrectly sorted, sort it. We sort by cpu_frequency, since this
* should be proportional to the power.
*/
- status = acpi_ns_check_sorted_list(data, return_object, 6, 0,
+ status = acpi_ns_check_sorted_list(info, return_object, 0, 6, 0,
ACPI_SORT_DESCENDING,
"CpuFrequency");
if (ACPI_FAILURE(status)) {
@@ -584,8 +704,8 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data,
obj_desc = elements[1]; /* Index1 = power_dissipation */
if ((u32) obj_desc->integer.value > previous_value) {
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
- data->node_flags,
+ ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+ info->node_flags,
"SubPackage[%u,%u] - suspicious power dissipation values",
i - 1, i));
}
@@ -599,10 +719,55 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data,
/******************************************************************************
*
+ * FUNCTION: acpi_ns_repair_TSS
+ *
+ * PARAMETERS: info - Method execution information block
+ * return_object_ptr - Pointer to the object returned from the
+ * evaluation of a method or object
+ *
+ * RETURN: Status. AE_OK if object is OK or was repaired successfully
+ *
+ * DESCRIPTION: Repair for the _TSS object. If necessary, sort the object list
+ * descending by the power dissipation values.
+ *
+ *****************************************************************************/
+
+static acpi_status
+acpi_ns_repair_TSS(struct acpi_evaluate_info *info,
+ union acpi_operand_object **return_object_ptr)
+{
+ union acpi_operand_object *return_object = *return_object_ptr;
+ acpi_status status;
+ struct acpi_namespace_node *node;
+
+ /*
+ * We can only sort the _TSS return package if there is no _PSS in the
+ * same scope. This is because if _PSS is present, the ACPI specification
+ * dictates that the _TSS Power Dissipation field is to be ignored, and
+ * therefore some BIOSs leave garbage values in the _TSS Power field(s).
+ * In this case, it is best to just return the _TSS package as-is.
+ * (May, 2011)
+ */
+ status = acpi_ns_get_node(info->node, "^_PSS",
+ ACPI_NS_NO_UPSEARCH, &node);
+ if (ACPI_SUCCESS(status)) {
+ return (AE_OK);
+ }
+
+ status = acpi_ns_check_sorted_list(info, return_object, 0, 5, 1,
+ ACPI_SORT_DESCENDING,
+ "PowerDissipation");
+
+ return (status);
+}
+
+/******************************************************************************
+ *
* FUNCTION: acpi_ns_check_sorted_list
*
- * PARAMETERS: data - Pointer to validation data structure
+ * PARAMETERS: info - Method execution information block
* return_object - Pointer to the top-level returned object
+ * start_index - Index of the first sub-package
* expected_count - Minimum length of each sub-package
* sort_index - Sub-package entry to sort on
* sort_direction - Ascending or descending
@@ -617,8 +782,9 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data,
*****************************************************************************/
static acpi_status
-acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
+acpi_ns_check_sorted_list(struct acpi_evaluate_info *info,
union acpi_operand_object *return_object,
+ u32 start_index,
u32 expected_count,
u32 sort_index,
u8 sort_direction, char *sort_key_name)
@@ -643,12 +809,14 @@ acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
* Any NULL elements should have been removed by earlier call
* to acpi_ns_remove_null_elements.
*/
- outer_elements = return_object->package.elements;
outer_element_count = return_object->package.count;
- if (!outer_element_count) {
+ if (!outer_element_count || start_index >= outer_element_count) {
return (AE_AML_PACKAGE_LIMIT);
}
+ outer_elements = &return_object->package.elements[start_index];
+ outer_element_count -= start_index;
+
previous_value = 0;
if (sort_direction == ACPI_SORT_DESCENDING) {
previous_value = ACPI_UINT32_MAX;
@@ -685,15 +853,16 @@ acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
(obj_desc->integer.value < previous_value)) ||
((sort_direction == ACPI_SORT_DESCENDING) &&
(obj_desc->integer.value > previous_value))) {
- acpi_ns_sort_list(return_object->package.elements,
+ acpi_ns_sort_list(&return_object->package.
+ elements[start_index],
outer_element_count, sort_index,
sort_direction);
- data->flags |= ACPI_OBJECT_REPAIRED;
+ info->return_flags |= ACPI_OBJECT_REPAIRED;
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Repaired unsorted list - now sorted by %s\n",
- data->pathname, sort_key_name));
+ info->full_pathname, sort_key_name));
return (AE_OK);
}
@@ -752,3 +921,52 @@ acpi_ns_sort_list(union acpi_operand_object **elements,
}
}
}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_ns_remove_element
+ *
+ * PARAMETERS: obj_desc - Package object element list
+ * index - Index of element to remove
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Remove the requested element of a package and delete it.
+ *
+ *****************************************************************************/
+
+static void
+acpi_ns_remove_element(union acpi_operand_object *obj_desc, u32 index)
+{
+ union acpi_operand_object **source;
+ union acpi_operand_object **dest;
+ u32 count;
+ u32 new_count;
+ u32 i;
+
+ ACPI_FUNCTION_NAME(ns_remove_element);
+
+ count = obj_desc->package.count;
+ new_count = count - 1;
+
+ source = obj_desc->package.elements;
+ dest = source;
+
+ /* Examine all elements of the package object, remove matched index */
+
+ for (i = 0; i < count; i++) {
+ if (i == index) {
+ acpi_ut_remove_reference(*source); /* Remove one ref for being in pkg */
+ acpi_ut_remove_reference(*source);
+ } else {
+ *dest = *source;
+ dest++;
+ }
+ source++;
+ }
+
+ /* NULL terminate list and update the package count */
+
+ *dest = NULL;
+ obj_desc->package.count = new_count;
+}
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index 2808586fad3..08c0b5beec8 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -419,10 +419,12 @@ acpi_ns_externalize_name(u32 internal_name_length,
switch (internal_name[0]) {
case AML_ROOT_PREFIX:
+
prefix_length = 1;
break;
case AML_PARENT_PREFIX:
+
for (i = 0; i < internal_name_length; i++) {
if (ACPI_IS_PARENT_PREFIX(internal_name[i])) {
prefix_length = i + 1;
@@ -438,6 +440,7 @@ acpi_ns_externalize_name(u32 internal_name_length,
break;
default:
+
break;
}
diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c
index fc69949151b..f553cfdb71d 100644
--- a/drivers/acpi/acpica/nsxfeval.c
+++ b/drivers/acpi/acpica/nsxfeval.c
@@ -187,8 +187,6 @@ acpi_evaluate_object(acpi_handle handle,
return_ACPI_STATUS(AE_NO_MEMORY);
}
- info->pathname = pathname;
-
/* Convert and validate the device handle */
info->prefix_node = acpi_ns_validate_handle(handle);
@@ -198,17 +196,64 @@ acpi_evaluate_object(acpi_handle handle,
}
/*
- * If there are parameters to be passed to a control method, the external
- * objects must all be converted to internal objects
+ * Get the actual namespace node for the target object.
+ * Handles these cases:
+ *
+ * 1) Null node, valid pathname from root (absolute path)
+ * 2) Node and valid pathname (path relative to Node)
+ * 3) Node, Null pathname
+ */
+ if ((pathname) && (ACPI_IS_ROOT_PREFIX(pathname[0]))) {
+
+ /* The path is fully qualified, just evaluate by name */
+
+ info->prefix_node = NULL;
+ } else if (!handle) {
+ /*
+ * A handle is optional iff a fully qualified pathname is specified.
+ * Since we've already handled fully qualified names above, this is
+ * an error.
+ */
+ if (!pathname) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Both Handle and Pathname are NULL"));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Null Handle with relative pathname [%s]",
+ pathname));
+ }
+
+ status = AE_BAD_PARAMETER;
+ goto cleanup;
+ }
+
+ info->relative_pathname = pathname;
+
+ /*
+ * Convert all external objects passed as arguments to the
+ * internal version(s).
*/
if (external_params && external_params->count) {
+ info->param_count = (u16)external_params->count;
+
+ /* Warn on impossible argument count */
+
+ if (info->param_count > ACPI_METHOD_NUM_ARGS) {
+ ACPI_WARN_PREDEFINED((AE_INFO, pathname,
+ ACPI_WARN_ALWAYS,
+ "Excess arguments (%u) - using only %u",
+ info->param_count,
+ ACPI_METHOD_NUM_ARGS));
+
+ info->param_count = ACPI_METHOD_NUM_ARGS;
+ }
+
/*
* Allocate a new parameter block for the internal objects
* Add 1 to count to allow for null terminated internal list
*/
- info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size)
- external_params->
- count +
+ info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size) info->
+ param_count +
1) * sizeof(void *));
if (!info->parameters) {
status = AE_NO_MEMORY;
@@ -217,7 +262,7 @@ acpi_evaluate_object(acpi_handle handle,
/* Convert each external object in the list to an internal object */
- for (i = 0; i < external_params->count; i++) {
+ for (i = 0; i < info->param_count; i++) {
status =
acpi_ut_copy_eobject_to_iobject(&external_params->
pointer[i],
@@ -227,43 +272,96 @@ acpi_evaluate_object(acpi_handle handle,
goto cleanup;
}
}
- info->parameters[external_params->count] = NULL;
+
+ info->parameters[info->param_count] = NULL;
}
+#if 0
+
/*
- * Three major cases:
- * 1) Fully qualified pathname
- * 2) No handle, not fully qualified pathname (error)
- * 3) Valid handle
+ * Begin incoming argument count analysis. Check for too few args
+ * and too many args.
*/
- if ((pathname) && (ACPI_IS_ROOT_PREFIX(pathname[0]))) {
- /* The path is fully qualified, just evaluate by name */
+ switch (acpi_ns_get_type(info->node)) {
+ case ACPI_TYPE_METHOD:
+
+ /* Check incoming argument count against the method definition */
+
+ if (info->obj_desc->method.param_count > info->param_count) {
+ ACPI_ERROR((AE_INFO,
+ "Insufficient arguments (%u) - %u are required",
+ info->param_count,
+ info->obj_desc->method.param_count));
+
+ status = AE_MISSING_ARGUMENTS;
+ goto cleanup;
+ }
+
+ else if (info->obj_desc->method.param_count < info->param_count) {
+ ACPI_WARNING((AE_INFO,
+ "Excess arguments (%u) - only %u are required",
+ info->param_count,
+ info->obj_desc->method.param_count));
+
+ /* Just pass the required number of arguments */
+
+ info->param_count = info->obj_desc->method.param_count;
+ }
- info->prefix_node = NULL;
- status = acpi_ns_evaluate(info);
- } else if (!handle) {
/*
- * A handle is optional iff a fully qualified pathname is specified.
- * Since we've already handled fully qualified names above, this is
- * an error
+ * Any incoming external objects to be passed as arguments to the
+ * method must be converted to internal objects
*/
- if (!pathname) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Both Handle and Pathname are NULL"));
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Null Handle with relative pathname [%s]",
- pathname));
+ if (info->param_count) {
+ /*
+ * Allocate a new parameter block for the internal objects
+ * Add 1 to count to allow for null terminated internal list
+ */
+ info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size)
+ info->
+ param_count +
+ 1) *
+ sizeof(void *));
+ if (!info->parameters) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /* Convert each external object in the list to an internal object */
+
+ for (i = 0; i < info->param_count; i++) {
+ status =
+ acpi_ut_copy_eobject_to_iobject
+ (&external_params->pointer[i],
+ &info->parameters[i]);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+ }
+
+ info->parameters[info->param_count] = NULL;
}
+ break;
- status = AE_BAD_PARAMETER;
- } else {
- /* We have a namespace a node and a possible relative path */
+ default:
+
+ /* Warn if arguments passed to an object that is not a method */
- status = acpi_ns_evaluate(info);
+ if (info->param_count) {
+ ACPI_WARNING((AE_INFO,
+ "%u arguments were passed to a non-method ACPI object",
+ info->param_count));
+ }
+ break;
}
+#endif
+
+ /* Now we can evaluate the object */
+
+ status = acpi_ns_evaluate(info);
+
/*
* If we are expecting a return value, and all went well above,
* copy the return value to an external object.
@@ -413,6 +511,7 @@ static void acpi_ns_resolve_references(struct acpi_evaluate_info *info)
break;
default:
+
return;
}
diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c
index 9f25a3d4e99..91a5a69db80 100644
--- a/drivers/acpi/acpica/psargs.c
+++ b/drivers/acpi/acpica/psargs.c
@@ -629,24 +629,28 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
switch (opcode) {
case AML_BYTE_OP: /* AML_BYTEDATA_ARG */
+
buffer_length =
ACPI_GET8(parser_state->aml);
parser_state->aml += 1;
break;
case AML_WORD_OP: /* AML_WORDDATA_ARG */
+
buffer_length =
ACPI_GET16(parser_state->aml);
parser_state->aml += 2;
break;
case AML_DWORD_OP: /* AML_DWORDATA_ARG */
+
buffer_length =
ACPI_GET32(parser_state->aml);
parser_state->aml += 4;
break;
default:
+
buffer_length = 0;
break;
}
diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c
index 63c45544748..065b44ae538 100644
--- a/drivers/acpi/acpica/psloop.c
+++ b/drivers/acpi/acpica/psloop.c
@@ -164,7 +164,6 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
case AML_IF_OP:
case AML_ELSE_OP:
case AML_WHILE_OP:
-
/*
* Currently supported module-level opcodes are:
* IF/ELSE/WHILE. These appear to be the most common,
@@ -289,6 +288,7 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
default:
/* No action for all other opcodes */
+
break;
}
diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c
index 12c4028002b..95dc608a66a 100644
--- a/drivers/acpi/acpica/psobject.c
+++ b/drivers/acpi/acpica/psobject.c
@@ -402,6 +402,7 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state,
switch (status) {
case AE_OK:
+
break;
case AE_CTRL_TRANSFER:
diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c
index abc4c48b2ed..86198a9139b 100644
--- a/drivers/acpi/acpica/psparse.c
+++ b/drivers/acpi/acpica/psparse.c
@@ -176,10 +176,10 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
switch (parent_info->class) {
case AML_CLASS_CONTROL:
+
break;
case AML_CLASS_CREATE:
-
/*
* These opcodes contain term_arg operands. The current
* op must be replaced by a placeholder return op
@@ -192,7 +192,6 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
break;
case AML_CLASS_NAMED_OBJECT:
-
/*
* These opcodes contain term_arg operands. The current
* op must be replaced by a placeholder return op
diff --git a/drivers/acpi/acpica/pstree.c b/drivers/acpi/acpica/pstree.c
index c1934bf04f0..877dc0de8df 100644
--- a/drivers/acpi/acpica/pstree.c
+++ b/drivers/acpi/acpica/pstree.c
@@ -308,7 +308,9 @@ union acpi_parse_object *acpi_ps_get_child(union acpi_parse_object *op)
break;
default:
+
/* All others have no children */
+
break;
}
diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c
index f6825426896..11b99ab20bb 100644
--- a/drivers/acpi/acpica/psxface.c
+++ b/drivers/acpi/acpica/psxface.c
@@ -125,7 +125,7 @@ static void acpi_ps_start_trace(struct acpi_evaluate_info *info)
}
if ((!acpi_gbl_trace_method_name) ||
- (acpi_gbl_trace_method_name != info->resolved_node->name.integer)) {
+ (acpi_gbl_trace_method_name != info->node->name.integer)) {
goto exit;
}
@@ -170,7 +170,7 @@ static void acpi_ps_stop_trace(struct acpi_evaluate_info *info)
}
if ((!acpi_gbl_trace_method_name) ||
- (acpi_gbl_trace_method_name != info->resolved_node->name.integer)) {
+ (acpi_gbl_trace_method_name != info->node->name.integer)) {
goto exit;
}
@@ -226,15 +226,14 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
/* Validate the Info and method Node */
- if (!info || !info->resolved_node) {
+ if (!info || !info->node) {
return_ACPI_STATUS(AE_NULL_ENTRY);
}
/* Init for new method, wait on concurrency semaphore */
status =
- acpi_ds_begin_method_execution(info->resolved_node, info->obj_desc,
- NULL);
+ acpi_ds_begin_method_execution(info->node, info->obj_desc, NULL);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -253,8 +252,7 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
*/
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
"**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n",
- info->resolved_node->name.ascii, info->resolved_node,
- info->obj_desc));
+ info->node->name.ascii, info->node, info->obj_desc));
/* Create and init a Root Node */
@@ -275,7 +273,7 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
goto cleanup;
}
- status = acpi_ds_init_aml_walk(walk_state, op, info->resolved_node,
+ status = acpi_ds_init_aml_walk(walk_state, op, info->node,
info->obj_desc->method.aml_start,
info->obj_desc->method.aml_length, info,
info->pass_number);
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index 72077fa1eea..b62a0f4f4f9 100644
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -352,6 +352,7 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
break;
default:
+
break;
}
@@ -539,6 +540,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
break;
default:
+
break;
}
@@ -650,8 +652,9 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
name_found = FALSE;
- for (table_index = 0; table_index < 4 && !name_found;
- table_index++) {
+ for (table_index = 0;
+ table_index < package_element->package.count
+ && !name_found; table_index++) {
if (*sub_object_list && /* Null object allowed */
((ACPI_TYPE_STRING ==
(*sub_object_list)->common.type) ||
diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c
index f8b55b426c9..65f3e1c5b59 100644
--- a/drivers/acpi/acpica/rscreate.c
+++ b/drivers/acpi/acpica/rscreate.c
@@ -273,17 +273,6 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
*/
user_prt->length = (sizeof(struct acpi_pci_routing_table) - 4);
- /* Each element of the top-level package must also be a package */
-
- if ((*top_object_list)->common.type != ACPI_TYPE_PACKAGE) {
- ACPI_ERROR((AE_INFO,
- "(PRT[%u]) Need sub-package, found %s",
- index,
- acpi_ut_get_object_type_name
- (*top_object_list)));
- return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
- }
-
/* Each sub-package must be of length 4 */
if ((*top_object_list)->package.count != 4) {
@@ -327,22 +316,6 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
user_prt->pin = (u32) obj_desc->integer.value;
/*
- * If the BIOS has erroneously reversed the _PRT source_name (index 2)
- * and the source_index (index 3), fix it. _PRT is important enough to
- * workaround this BIOS error. This also provides compatibility with
- * other ACPI implementations.
- */
- obj_desc = sub_object_list[3];
- if (!obj_desc || (obj_desc->common.type != ACPI_TYPE_INTEGER)) {
- sub_object_list[3] = sub_object_list[2];
- sub_object_list[2] = obj_desc;
-
- ACPI_WARNING((AE_INFO,
- "(PRT[%X].Source) SourceName and SourceIndex are reversed, fixed",
- index));
- }
-
- /*
* 3) Third subobject: Dereference the PRT.source_name
* The name may be unresolved (slack mode), so allow a null object
*/
diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c
index b5fc0db2e87..8a2d4986b0a 100644
--- a/drivers/acpi/acpica/rsdump.c
+++ b/drivers/acpi/acpica/rsdump.c
@@ -120,17 +120,20 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
/* Strings */
case ACPI_RSD_LITERAL:
+
acpi_rs_out_string(name,
ACPI_CAST_PTR(char, table->pointer));
break;
case ACPI_RSD_STRING:
+
acpi_rs_out_string(name, ACPI_CAST_PTR(char, target));
break;
/* Data items, 8/16/32/64 bit */
case ACPI_RSD_UINT8:
+
if (table->pointer) {
acpi_rs_out_string(name, ACPI_CAST_PTR(char,
table->
@@ -142,20 +145,24 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
break;
case ACPI_RSD_UINT16:
+
acpi_rs_out_integer16(name, ACPI_GET16(target));
break;
case ACPI_RSD_UINT32:
+
acpi_rs_out_integer32(name, ACPI_GET32(target));
break;
case ACPI_RSD_UINT64:
+
acpi_rs_out_integer64(name, ACPI_GET64(target));
break;
/* Flags: 1-bit and 2-bit flags supported */
case ACPI_RSD_1BITFLAG:
+
acpi_rs_out_string(name, ACPI_CAST_PTR(char,
table->
pointer[*target &
@@ -163,6 +170,7 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
break;
case ACPI_RSD_2BITFLAG:
+
acpi_rs_out_string(name, ACPI_CAST_PTR(char,
table->
pointer[*target &
@@ -170,6 +178,7 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
break;
case ACPI_RSD_3BITFLAG:
+
acpi_rs_out_string(name, ACPI_CAST_PTR(char,
table->
pointer[*target &
@@ -258,6 +267,7 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
break;
default:
+
acpi_os_printf("**** Invalid table opcode [%X] ****\n",
table->opcode);
return;
diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c
index d5bf05a9609..80d12994e0d 100644
--- a/drivers/acpi/acpica/rsmisc.c
+++ b/drivers/acpi/acpica/rsmisc.c
@@ -194,7 +194,6 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
break;
case ACPI_RSC_COUNT_GPIO_RES:
-
/*
* Vendor data is optional (length/offset may both be zero)
* Examine vendor data length field first
@@ -410,12 +409,14 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
*/
switch (info->resource_offset) {
case ACPI_RSC_COMPARE_AML_LENGTH:
+
if (aml_resource_length != info->value) {
goto exit;
}
break;
case ACPI_RSC_COMPARE_VALUE:
+
if (ACPI_GET8(source) != info->value) {
goto exit;
}
diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c
index a44953c6f75..480b6b40c5e 100644
--- a/drivers/acpi/acpica/rsutils.c
+++ b/drivers/acpi/acpica/rsutils.c
@@ -147,6 +147,7 @@ acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type)
case ACPI_RSC_MOVE_GPIO_RES:
case ACPI_RSC_MOVE_SERIAL_VEN:
case ACPI_RSC_MOVE_SERIAL_RES:
+
ACPI_MEMCPY(destination, source, item_count);
return;
@@ -157,21 +158,25 @@ acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type)
*/
case ACPI_RSC_MOVE16:
case ACPI_RSC_MOVE_GPIO_PIN:
+
ACPI_MOVE_16_TO_16(&ACPI_CAST_PTR(u16, destination)[i],
&ACPI_CAST_PTR(u16, source)[i]);
break;
case ACPI_RSC_MOVE32:
+
ACPI_MOVE_32_TO_32(&ACPI_CAST_PTR(u32, destination)[i],
&ACPI_CAST_PTR(u32, source)[i]);
break;
case ACPI_RSC_MOVE64:
+
ACPI_MOVE_64_TO_64(&ACPI_CAST_PTR(u64, destination)[i],
&ACPI_CAST_PTR(u64, source)[i]);
break;
default:
+
return;
}
}
@@ -736,7 +741,7 @@ acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
}
info->prefix_node = node;
- info->pathname = METHOD_NAME__SRS;
+ info->relative_pathname = METHOD_NAME__SRS;
info->parameters = args;
info->flags = ACPI_IGNORE_RETURN_VALUE;
diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c
index c0e5d2d3ce6..94e3517554f 100644
--- a/drivers/acpi/acpica/rsxface.c
+++ b/drivers/acpi/acpica/rsxface.c
@@ -402,6 +402,7 @@ acpi_resource_to_address64(struct acpi_resource *resource,
break;
default:
+
return (AE_BAD_PARAMETER);
}
diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
index e57cd38004e..42a13c0d701 100644
--- a/drivers/acpi/acpica/tbinstal.c
+++ b/drivers/acpi/acpica/tbinstal.c
@@ -141,8 +141,7 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
ACPI_BIOS_ERROR((AE_INFO,
"Table has invalid signature [%4.4s] (0x%8.8X), "
"must be SSDT or OEMx",
- acpi_ut_valid_acpi_name(*(u32 *)table_desc->
- pointer->
+ acpi_ut_valid_acpi_name(table_desc->pointer->
signature) ?
table_desc->pointer->signature : "????",
*(u32 *)table_desc->pointer->signature));
@@ -471,15 +470,19 @@ void acpi_tb_delete_table(struct acpi_table_desc *table_desc)
}
switch (table_desc->flags & ACPI_TABLE_ORIGIN_MASK) {
case ACPI_TABLE_ORIGIN_MAPPED:
+
acpi_os_unmap_memory(table_desc->pointer, table_desc->length);
break;
+
case ACPI_TABLE_ORIGIN_ALLOCATED:
+
ACPI_FREE(table_desc->pointer);
break;
/* Not mapped or allocated, there is nothing we can do */
default:
+
return;
}
diff --git a/drivers/acpi/acpica/tbprint.c b/drivers/acpi/acpica/tbprint.c
new file mode 100644
index 00000000000..dc963f823d2
--- /dev/null
+++ b/drivers/acpi/acpica/tbprint.c
@@ -0,0 +1,237 @@
+/******************************************************************************
+ *
+ * Module Name: tbprint - Table output utilities
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "actables.h"
+
+#define _COMPONENT ACPI_TABLES
+ACPI_MODULE_NAME("tbprint")
+
+/* Local prototypes */
+static void acpi_tb_fix_string(char *string, acpi_size length);
+
+static void
+acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
+ struct acpi_table_header *header);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_fix_string
+ *
+ * PARAMETERS: string - String to be repaired
+ * length - Maximum length
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Replace every non-printable or non-ascii byte in the string
+ * with a question mark '?'.
+ *
+ ******************************************************************************/
+
+static void acpi_tb_fix_string(char *string, acpi_size length)
+{
+
+ while (length && *string) {
+ if (!ACPI_IS_PRINT(*string)) {
+ *string = '?';
+ }
+ string++;
+ length--;
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_cleanup_table_header
+ *
+ * PARAMETERS: out_header - Where the cleaned header is returned
+ * header - Input ACPI table header
+ *
+ * RETURN: Returns the cleaned header in out_header
+ *
+ * DESCRIPTION: Copy the table header and ensure that all "string" fields in
+ * the header consist of printable characters.
+ *
+ ******************************************************************************/
+
+static void
+acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
+ struct acpi_table_header *header)
+{
+
+ ACPI_MEMCPY(out_header, header, sizeof(struct acpi_table_header));
+
+ acpi_tb_fix_string(out_header->signature, ACPI_NAME_SIZE);
+ acpi_tb_fix_string(out_header->oem_id, ACPI_OEM_ID_SIZE);
+ acpi_tb_fix_string(out_header->oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
+ acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAME_SIZE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_print_table_header
+ *
+ * PARAMETERS: address - Table physical address
+ * header - Table header
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP.
+ *
+ ******************************************************************************/
+
+void
+acpi_tb_print_table_header(acpi_physical_address address,
+ struct acpi_table_header *header)
+{
+ struct acpi_table_header local_header;
+
+ /*
+ * The reason that the Address is cast to a void pointer is so that we
+ * can use %p which will work properly on both 32-bit and 64-bit hosts.
+ */
+ if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_FACS)) {
+
+ /* FACS only has signature and length fields */
+
+ ACPI_INFO((AE_INFO, "%4.4s %p %05X",
+ header->signature, ACPI_CAST_PTR(void, address),
+ header->length));
+ } else if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_RSDP)) {
+
+ /* RSDP has no common fields */
+
+ ACPI_MEMCPY(local_header.oem_id,
+ ACPI_CAST_PTR(struct acpi_table_rsdp,
+ header)->oem_id, ACPI_OEM_ID_SIZE);
+ acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE);
+
+ ACPI_INFO((AE_INFO, "RSDP %p %05X (v%.2d %6.6s)",
+ ACPI_CAST_PTR(void, address),
+ (ACPI_CAST_PTR(struct acpi_table_rsdp, header)->
+ revision >
+ 0) ? ACPI_CAST_PTR(struct acpi_table_rsdp,
+ header)->length : 20,
+ ACPI_CAST_PTR(struct acpi_table_rsdp,
+ header)->revision,
+ local_header.oem_id));
+ } else {
+ /* Standard ACPI table with full common header */
+
+ acpi_tb_cleanup_table_header(&local_header, header);
+
+ ACPI_INFO((AE_INFO,
+ "%4.4s %p %05X (v%.2d %6.6s %8.8s %08X %4.4s %08X)",
+ local_header.signature, ACPI_CAST_PTR(void, address),
+ local_header.length, local_header.revision,
+ local_header.oem_id, local_header.oem_table_id,
+ local_header.oem_revision,
+ local_header.asl_compiler_id,
+ local_header.asl_compiler_revision));
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_validate_checksum
+ *
+ * PARAMETERS: table - ACPI table to verify
+ * length - Length of entire table
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Verifies that the table checksums to zero. Optionally returns
+ * exception on bad checksum.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length)
+{
+ u8 checksum;
+
+ /* Compute the checksum on the table */
+
+ checksum = acpi_tb_checksum(ACPI_CAST_PTR(u8, table), length);
+
+ /* Checksum ok? (should be zero) */
+
+ if (checksum) {
+ ACPI_BIOS_WARNING((AE_INFO,
+ "Incorrect checksum in table [%4.4s] - 0x%2.2X, "
+ "should be 0x%2.2X",
+ table->signature, table->checksum,
+ (u8)(table->checksum - checksum)));
+
+#if (ACPI_CHECKSUM_ABORT)
+ return (AE_BAD_CHECKSUM);
+#endif
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_checksum
+ *
+ * PARAMETERS: buffer - Pointer to memory region to be checked
+ * length - Length of this memory region
+ *
+ * RETURN: Checksum (u8)
+ *
+ * DESCRIPTION: Calculates circular checksum of memory region.
+ *
+ ******************************************************************************/
+
+u8 acpi_tb_checksum(u8 *buffer, u32 length)
+{
+ u8 sum = 0;
+ u8 *end = buffer + length;
+
+ while (buffer < end) {
+ sum = (u8)(sum + *(buffer++));
+ }
+
+ return (sum);
+}
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index ce3d5db39a9..bffdfc7b832 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * Module Name: tbutils - table utilities
+ * Module Name: tbutils - ACPI Table utilities
*
*****************************************************************************/
@@ -49,12 +49,6 @@
ACPI_MODULE_NAME("tbutils")
/* Local prototypes */
-static void acpi_tb_fix_string(char *string, acpi_size length);
-
-static void
-acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
- struct acpi_table_header *header);
-
static acpi_physical_address
acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size);
@@ -176,189 +170,6 @@ u8 acpi_tb_tables_loaded(void)
/*******************************************************************************
*
- * FUNCTION: acpi_tb_fix_string
- *
- * PARAMETERS: string - String to be repaired
- * length - Maximum length
- *
- * RETURN: None
- *
- * DESCRIPTION: Replace every non-printable or non-ascii byte in the string
- * with a question mark '?'.
- *
- ******************************************************************************/
-
-static void acpi_tb_fix_string(char *string, acpi_size length)
-{
-
- while (length && *string) {
- if (!ACPI_IS_PRINT(*string)) {
- *string = '?';
- }
- string++;
- length--;
- }
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_cleanup_table_header
- *
- * PARAMETERS: out_header - Where the cleaned header is returned
- * header - Input ACPI table header
- *
- * RETURN: Returns the cleaned header in out_header
- *
- * DESCRIPTION: Copy the table header and ensure that all "string" fields in
- * the header consist of printable characters.
- *
- ******************************************************************************/
-
-static void
-acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
- struct acpi_table_header *header)
-{
-
- ACPI_MEMCPY(out_header, header, sizeof(struct acpi_table_header));
-
- acpi_tb_fix_string(out_header->signature, ACPI_NAME_SIZE);
- acpi_tb_fix_string(out_header->oem_id, ACPI_OEM_ID_SIZE);
- acpi_tb_fix_string(out_header->oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
- acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAME_SIZE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_print_table_header
- *
- * PARAMETERS: address - Table physical address
- * header - Table header
- *
- * RETURN: None
- *
- * DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP.
- *
- ******************************************************************************/
-
-void
-acpi_tb_print_table_header(acpi_physical_address address,
- struct acpi_table_header *header)
-{
- struct acpi_table_header local_header;
-
- /*
- * The reason that the Address is cast to a void pointer is so that we
- * can use %p which will work properly on both 32-bit and 64-bit hosts.
- */
- if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_FACS)) {
-
- /* FACS only has signature and length fields */
-
- ACPI_INFO((AE_INFO, "%4.4s %p %05X",
- header->signature, ACPI_CAST_PTR(void, address),
- header->length));
- } else if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_RSDP)) {
-
- /* RSDP has no common fields */
-
- ACPI_MEMCPY(local_header.oem_id,
- ACPI_CAST_PTR(struct acpi_table_rsdp,
- header)->oem_id, ACPI_OEM_ID_SIZE);
- acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE);
-
- ACPI_INFO((AE_INFO, "RSDP %p %05X (v%.2d %6.6s)",
- ACPI_CAST_PTR (void, address),
- (ACPI_CAST_PTR(struct acpi_table_rsdp, header)->
- revision >
- 0) ? ACPI_CAST_PTR(struct acpi_table_rsdp,
- header)->length : 20,
- ACPI_CAST_PTR(struct acpi_table_rsdp,
- header)->revision,
- local_header.oem_id));
- } else {
- /* Standard ACPI table with full common header */
-
- acpi_tb_cleanup_table_header(&local_header, header);
-
- ACPI_INFO((AE_INFO,
- "%4.4s %p %05X (v%.2d %6.6s %8.8s %08X %4.4s %08X)",
- local_header.signature, ACPI_CAST_PTR(void, address),
- local_header.length, local_header.revision,
- local_header.oem_id, local_header.oem_table_id,
- local_header.oem_revision,
- local_header.asl_compiler_id,
- local_header.asl_compiler_revision));
-
- }
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_validate_checksum
- *
- * PARAMETERS: table - ACPI table to verify
- * length - Length of entire table
- *
- * RETURN: Status
- *
- * DESCRIPTION: Verifies that the table checksums to zero. Optionally returns
- * exception on bad checksum.
- *
- ******************************************************************************/
-
-acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length)
-{
- u8 checksum;
-
- /* Compute the checksum on the table */
-
- checksum = acpi_tb_checksum(ACPI_CAST_PTR(u8, table), length);
-
- /* Checksum ok? (should be zero) */
-
- if (checksum) {
- ACPI_BIOS_WARNING((AE_INFO,
- "Incorrect checksum in table [%4.4s] - 0x%2.2X, "
- "should be 0x%2.2X",
- table->signature, table->checksum,
- (u8)(table->checksum - checksum)));
-
-#if (ACPI_CHECKSUM_ABORT)
-
- return (AE_BAD_CHECKSUM);
-#endif
- }
-
- return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_checksum
- *
- * PARAMETERS: buffer - Pointer to memory region to be checked
- * length - Length of this memory region
- *
- * RETURN: Checksum (u8)
- *
- * DESCRIPTION: Calculates circular checksum of memory region.
- *
- ******************************************************************************/
-
-u8 acpi_tb_checksum(u8 *buffer, u32 length)
-{
- u8 sum = 0;
- u8 *end = buffer + length;
-
- while (buffer < end) {
- sum = (u8) (sum + *(buffer++));
- }
-
- return (sum);
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_tb_check_dsdt_header
*
* PARAMETERS: None
diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c
index 67e046ec8f0..0ba9e328d5d 100644
--- a/drivers/acpi/acpica/tbxfload.c
+++ b/drivers/acpi/acpica/tbxfload.c
@@ -53,8 +53,6 @@ ACPI_MODULE_NAME("tbxfload")
/* Local prototypes */
static acpi_status acpi_tb_load_namespace(void);
-static int no_auto_ssdt;
-
/*******************************************************************************
*
* FUNCTION: acpi_load_tables
@@ -180,8 +178,16 @@ static acpi_status acpi_tb_load_namespace(void)
continue;
}
- if (no_auto_ssdt) {
- printk(KERN_WARNING "ACPI: SSDT ignored due to \"acpi_no_auto_ssdt\"\n");
+ /*
+ * Optionally do not load any SSDTs from the RSDT/XSDT. This can
+ * be useful for debugging ACPI problems on some machines.
+ */
+ if (acpi_gbl_disable_ssdt_table_load) {
+ ACPI_INFO((AE_INFO, "Ignoring %4.4s at %p",
+ acpi_gbl_root_table_list.tables[i].signature.
+ ascii, ACPI_CAST_PTR(void,
+ acpi_gbl_root_table_list.
+ tables[i].address)));
continue;
}
@@ -376,14 +382,3 @@ acpi_status acpi_unload_parent_table(acpi_handle object)
}
ACPI_EXPORT_SYMBOL(acpi_unload_parent_table)
-
-static int __init acpi_no_auto_ssdt_setup(char *s) {
-
- printk(KERN_NOTICE "ACPI: SSDT auto-load disabled\n");
-
- no_auto_ssdt = 1;
-
- return 1;
-}
-
-__setup("acpi_no_auto_ssdt", acpi_no_auto_ssdt_setup);
diff --git a/drivers/acpi/acpica/utbuffer.c b/drivers/acpi/acpica/utbuffer.c
new file mode 100644
index 00000000000..11fde93be12
--- /dev/null
+++ b/drivers/acpi/acpica/utbuffer.c
@@ -0,0 +1,201 @@
+/******************************************************************************
+ *
+ * Module Name: utbuffer - Buffer dump routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utbuffer")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_dump_buffer
+ *
+ * PARAMETERS: buffer - Buffer to dump
+ * count - Amount to dump, in bytes
+ * display - BYTE, WORD, DWORD, or QWORD display:
+ * DB_BYTE_DISPLAY
+ * DB_WORD_DISPLAY
+ * DB_DWORD_DISPLAY
+ * DB_QWORD_DISPLAY
+ * base_offset - Beginning buffer offset (display only)
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Generic dump buffer in both hex and ascii.
+ *
+ ******************************************************************************/
+void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset)
+{
+ u32 i = 0;
+ u32 j;
+ u32 temp32;
+ u8 buf_char;
+
+ if (!buffer) {
+ acpi_os_printf("Null Buffer Pointer in DumpBuffer!\n");
+ return;
+ }
+
+ if ((count < 4) || (count & 0x01)) {
+ display = DB_BYTE_DISPLAY;
+ }
+
+ /* Nasty little dump buffer routine! */
+
+ while (i < count) {
+
+ /* Print current offset */
+
+ acpi_os_printf("%6.4X: ", (base_offset + i));
+
+ /* Print 16 hex chars */
+
+ for (j = 0; j < 16;) {
+ if (i + j >= count) {
+
+ /* Dump fill spaces */
+
+ acpi_os_printf("%*s", ((display * 2) + 1), " ");
+ j += display;
+ continue;
+ }
+
+ switch (display) {
+ case DB_BYTE_DISPLAY:
+ default: /* Default is BYTE display */
+
+ acpi_os_printf("%02X ",
+ buffer[(acpi_size) i + j]);
+ break;
+
+ case DB_WORD_DISPLAY:
+
+ ACPI_MOVE_16_TO_32(&temp32,
+ &buffer[(acpi_size) i + j]);
+ acpi_os_printf("%04X ", temp32);
+ break;
+
+ case DB_DWORD_DISPLAY:
+
+ ACPI_MOVE_32_TO_32(&temp32,
+ &buffer[(acpi_size) i + j]);
+ acpi_os_printf("%08X ", temp32);
+ break;
+
+ case DB_QWORD_DISPLAY:
+
+ ACPI_MOVE_32_TO_32(&temp32,
+ &buffer[(acpi_size) i + j]);
+ acpi_os_printf("%08X", temp32);
+
+ ACPI_MOVE_32_TO_32(&temp32,
+ &buffer[(acpi_size) i + j +
+ 4]);
+ acpi_os_printf("%08X ", temp32);
+ break;
+ }
+
+ j += display;
+ }
+
+ /*
+ * Print the ASCII equivalent characters but watch out for the bad
+ * unprintable ones (printable chars are 0x20 through 0x7E)
+ */
+ acpi_os_printf(" ");
+ for (j = 0; j < 16; j++) {
+ if (i + j >= count) {
+ acpi_os_printf("\n");
+ return;
+ }
+
+ buf_char = buffer[(acpi_size) i + j];
+ if (ACPI_IS_PRINT(buf_char)) {
+ acpi_os_printf("%c", buf_char);
+ } else {
+ acpi_os_printf(".");
+ }
+ }
+
+ /* Done with that line. */
+
+ acpi_os_printf("\n");
+ i += 16;
+ }
+
+ return;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_debug_dump_buffer
+ *
+ * PARAMETERS: buffer - Buffer to dump
+ * count - Amount to dump, in bytes
+ * display - BYTE, WORD, DWORD, or QWORD display:
+ * DB_BYTE_DISPLAY
+ * DB_WORD_DISPLAY
+ * DB_DWORD_DISPLAY
+ * DB_QWORD_DISPLAY
+ * component_ID - Caller's component ID
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Generic dump buffer in both hex and ascii.
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id)
+{
+
+ /* Only dump the buffer if tracing is enabled */
+
+ if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
+ (component_id & acpi_dbg_layer))) {
+ return;
+ }
+
+ acpi_ut_dump_buffer(buffer, count, display, 0);
+}
diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c
index e4c9291fc0a..1731c27c36a 100644
--- a/drivers/acpi/acpica/utcopy.c
+++ b/drivers/acpi/acpica/utcopy.c
@@ -178,7 +178,6 @@ acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object,
switch (internal_object->reference.class) {
case ACPI_REFCLASS_NAME:
-
/*
* For namepath, return the object handle ("reference")
* We are referring to the namespace node
@@ -264,7 +263,6 @@ acpi_ut_copy_ielement_to_eelement(u8 object_type,
switch (object_type) {
case ACPI_COPY_TYPE_SIMPLE:
-
/*
* This is a simple or null object
*/
@@ -278,7 +276,6 @@ acpi_ut_copy_ielement_to_eelement(u8 object_type,
break;
case ACPI_COPY_TYPE_PACKAGE:
-
/*
* Build the package object
*/
@@ -304,6 +301,7 @@ acpi_ut_copy_ielement_to_eelement(u8 object_type,
break;
default:
+
return (AE_BAD_PARAMETER);
}
@@ -481,6 +479,7 @@ acpi_ut_copy_esimple_to_isimple(union acpi_object *external_object,
return_ACPI_STATUS(AE_OK);
default:
+
/* All other types are not supported */
ACPI_ERROR((AE_INFO,
@@ -544,7 +543,9 @@ acpi_ut_copy_esimple_to_isimple(union acpi_object *external_object,
break;
default:
+
/* Other types can't get here */
+
break;
}
@@ -800,7 +801,9 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
break;
default:
+
/* Nothing to do for other simple objects */
+
break;
}
@@ -868,7 +871,6 @@ acpi_ut_copy_ielement_to_ielement(u8 object_type,
break;
case ACPI_COPY_TYPE_PACKAGE:
-
/*
* This object is a package - go down another nesting level
* Create and build the package object
@@ -891,6 +893,7 @@ acpi_ut_copy_ielement_to_ielement(u8 object_type,
break;
default:
+
return (AE_BAD_PARAMETER);
}
diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
index c57d9cc07ba..5796e11a067 100644
--- a/drivers/acpi/acpica/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * Module Name: utdebug - Debug print routines
+ * Module Name: utdebug - Debug print/trace routines
*
*****************************************************************************/
@@ -543,149 +543,3 @@ acpi_ut_ptr_exit(u32 line_number,
}
#endif
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_dump_buffer
- *
- * PARAMETERS: buffer - Buffer to dump
- * count - Amount to dump, in bytes
- * display - BYTE, WORD, DWORD, or QWORD display
- * offset - Beginning buffer offset (display only)
- *
- * RETURN: None
- *
- * DESCRIPTION: Generic dump buffer in both hex and ascii.
- *
- ******************************************************************************/
-
-void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset)
-{
- u32 i = 0;
- u32 j;
- u32 temp32;
- u8 buf_char;
-
- if (!buffer) {
- acpi_os_printf("Null Buffer Pointer in DumpBuffer!\n");
- return;
- }
-
- if ((count < 4) || (count & 0x01)) {
- display = DB_BYTE_DISPLAY;
- }
-
- /* Nasty little dump buffer routine! */
-
- while (i < count) {
-
- /* Print current offset */
-
- acpi_os_printf("%6.4X: ", (base_offset + i));
-
- /* Print 16 hex chars */
-
- for (j = 0; j < 16;) {
- if (i + j >= count) {
-
- /* Dump fill spaces */
-
- acpi_os_printf("%*s", ((display * 2) + 1), " ");
- j += display;
- continue;
- }
-
- switch (display) {
- case DB_BYTE_DISPLAY:
- default: /* Default is BYTE display */
-
- acpi_os_printf("%02X ",
- buffer[(acpi_size) i + j]);
- break;
-
- case DB_WORD_DISPLAY:
-
- ACPI_MOVE_16_TO_32(&temp32,
- &buffer[(acpi_size) i + j]);
- acpi_os_printf("%04X ", temp32);
- break;
-
- case DB_DWORD_DISPLAY:
-
- ACPI_MOVE_32_TO_32(&temp32,
- &buffer[(acpi_size) i + j]);
- acpi_os_printf("%08X ", temp32);
- break;
-
- case DB_QWORD_DISPLAY:
-
- ACPI_MOVE_32_TO_32(&temp32,
- &buffer[(acpi_size) i + j]);
- acpi_os_printf("%08X", temp32);
-
- ACPI_MOVE_32_TO_32(&temp32,
- &buffer[(acpi_size) i + j +
- 4]);
- acpi_os_printf("%08X ", temp32);
- break;
- }
-
- j += display;
- }
-
- /*
- * Print the ASCII equivalent characters but watch out for the bad
- * unprintable ones (printable chars are 0x20 through 0x7E)
- */
- acpi_os_printf(" ");
- for (j = 0; j < 16; j++) {
- if (i + j >= count) {
- acpi_os_printf("\n");
- return;
- }
-
- buf_char = buffer[(acpi_size) i + j];
- if (ACPI_IS_PRINT(buf_char)) {
- acpi_os_printf("%c", buf_char);
- } else {
- acpi_os_printf(".");
- }
- }
-
- /* Done with that line. */
-
- acpi_os_printf("\n");
- i += 16;
- }
-
- return;
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_debug_dump_buffer
- *
- * PARAMETERS: buffer - Buffer to dump
- * count - Amount to dump, in bytes
- * display - BYTE, WORD, DWORD, or QWORD display
- * component_ID - Caller's component ID
- *
- * RETURN: None
- *
- * DESCRIPTION: Generic dump buffer in both hex and ascii.
- *
- ******************************************************************************/
-
-void
-acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id)
-{
-
- /* Only dump the buffer if tracing is enabled */
-
- if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
- (component_id & acpi_dbg_layer))) {
- return;
- }
-
- acpi_ut_dump_buffer(buffer, count, display, 0);
-}
diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index 29b930250b6..d6b33f29d32 100644
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -303,6 +303,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
break;
default:
+
break;
}
@@ -508,7 +509,6 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
case ACPI_TYPE_PROCESSOR:
case ACPI_TYPE_POWER:
case ACPI_TYPE_THERMAL:
-
/*
* Update the notify objects for these types (if present)
* Two lists, system and device notify handlers.
@@ -623,6 +623,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
case ACPI_TYPE_REGION:
default:
+
break; /* No subobjects for all other types */
}
diff --git a/drivers/acpi/acpica/uterror.c b/drivers/acpi/acpica/uterror.c
new file mode 100644
index 00000000000..154fdcaa583
--- /dev/null
+++ b/drivers/acpi/acpica/uterror.c
@@ -0,0 +1,289 @@
+/*******************************************************************************
+ *
+ * Module Name: uterror - Various internal error/warning output functions
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("uterror")
+
+/*
+ * This module contains internal error functions that may
+ * be configured out.
+ */
+#if !defined (ACPI_NO_ERROR_MESSAGES)
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_predefined_warning
+ *
+ * PARAMETERS: module_name - Caller's module name (for error output)
+ * line_number - Caller's line number (for error output)
+ * pathname - Full pathname to the node
+ * node_flags - From Namespace node for the method/object
+ * format - Printf format string + additional args
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Warnings for the predefined validation module. Messages are
+ * only emitted the first time a problem with a particular
+ * method/object is detected. This prevents a flood of error
+ * messages for methods that are repeatedly evaluated.
+ *
+ ******************************************************************************/
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_predefined_warning(const char *module_name,
+ u32 line_number,
+ char *pathname,
+ u8 node_flags, const char *format, ...)
+{
+ va_list arg_list;
+
+ /*
+ * Warning messages for this method/object will be disabled after the
+ * first time a validation fails or an object is successfully repaired.
+ */
+ if (node_flags & ANOBJ_EVALUATED) {
+ return;
+ }
+
+ acpi_os_printf(ACPI_MSG_WARNING "%s: ", pathname);
+
+ va_start(arg_list, format);
+ acpi_os_vprintf(format, arg_list);
+ ACPI_MSG_SUFFIX;
+ va_end(arg_list);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_predefined_info
+ *
+ * PARAMETERS: module_name - Caller's module name (for error output)
+ * line_number - Caller's line number (for error output)
+ * pathname - Full pathname to the node
+ * node_flags - From Namespace node for the method/object
+ * format - Printf format string + additional args
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Info messages for the predefined validation module. Messages
+ * are only emitted the first time a problem with a particular
+ * method/object is detected. This prevents a flood of
+ * messages for methods that are repeatedly evaluated.
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_predefined_info(const char *module_name,
+ u32 line_number,
+ char *pathname, u8 node_flags, const char *format, ...)
+{
+ va_list arg_list;
+
+ /*
+ * Warning messages for this method/object will be disabled after the
+ * first time a validation fails or an object is successfully repaired.
+ */
+ if (node_flags & ANOBJ_EVALUATED) {
+ return;
+ }
+
+ acpi_os_printf(ACPI_MSG_INFO "%s: ", pathname);
+
+ va_start(arg_list, format);
+ acpi_os_vprintf(format, arg_list);
+ ACPI_MSG_SUFFIX;
+ va_end(arg_list);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_predefined_bios_error
+ *
+ * PARAMETERS: module_name - Caller's module name (for error output)
+ * line_number - Caller's line number (for error output)
+ * pathname - Full pathname to the node
+ * node_flags - From Namespace node for the method/object
+ * format - Printf format string + additional args
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: BIOS error message for predefined names. Messages
+ * are only emitted the first time a problem with a particular
+ * method/object is detected. This prevents a flood of
+ * messages for methods that are repeatedly evaluated.
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_predefined_bios_error(const char *module_name,
+ u32 line_number,
+ char *pathname,
+ u8 node_flags, const char *format, ...)
+{
+ va_list arg_list;
+
+ /*
+ * Warning messages for this method/object will be disabled after the
+ * first time a validation fails or an object is successfully repaired.
+ */
+ if (node_flags & ANOBJ_EVALUATED) {
+ return;
+ }
+
+ acpi_os_printf(ACPI_MSG_BIOS_ERROR "%s: ", pathname);
+
+ va_start(arg_list, format);
+ acpi_os_vprintf(format, arg_list);
+ ACPI_MSG_SUFFIX;
+ va_end(arg_list);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_namespace_error
+ *
+ * PARAMETERS: module_name - Caller's module name (for error output)
+ * line_number - Caller's line number (for error output)
+ * internal_name - Name or path of the namespace node
+ * lookup_status - Exception code from NS lookup
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print error message with the full pathname for the NS node.
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_namespace_error(const char *module_name,
+ u32 line_number,
+ const char *internal_name, acpi_status lookup_status)
+{
+ acpi_status status;
+ u32 bad_name;
+ char *name = NULL;
+
+ ACPI_MSG_REDIRECT_BEGIN;
+ acpi_os_printf(ACPI_MSG_ERROR);
+
+ if (lookup_status == AE_BAD_CHARACTER) {
+
+ /* There is a non-ascii character in the name */
+
+ ACPI_MOVE_32_TO_32(&bad_name,
+ ACPI_CAST_PTR(u32, internal_name));
+ acpi_os_printf("[0x%.8X] (NON-ASCII)", bad_name);
+ } else {
+ /* Convert path to external format */
+
+ status = acpi_ns_externalize_name(ACPI_UINT32_MAX,
+ internal_name, NULL, &name);
+
+ /* Print target name */
+
+ if (ACPI_SUCCESS(status)) {
+ acpi_os_printf("[%s]", name);
+ } else {
+ acpi_os_printf("[COULD NOT EXTERNALIZE NAME]");
+ }
+
+ if (name) {
+ ACPI_FREE(name);
+ }
+ }
+
+ acpi_os_printf(" Namespace lookup failure, %s",
+ acpi_format_exception(lookup_status));
+
+ ACPI_MSG_SUFFIX;
+ ACPI_MSG_REDIRECT_END;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_method_error
+ *
+ * PARAMETERS: module_name - Caller's module name (for error output)
+ * line_number - Caller's line number (for error output)
+ * message - Error message to use on failure
+ * prefix_node - Prefix relative to the path
+ * path - Path to the node (optional)
+ * method_status - Execution status
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print error message with the full pathname for the method.
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_method_error(const char *module_name,
+ u32 line_number,
+ const char *message,
+ struct acpi_namespace_node *prefix_node,
+ const char *path, acpi_status method_status)
+{
+ acpi_status status;
+ struct acpi_namespace_node *node = prefix_node;
+
+ ACPI_MSG_REDIRECT_BEGIN;
+ acpi_os_printf(ACPI_MSG_ERROR);
+
+ if (path) {
+ status =
+ acpi_ns_get_node(prefix_node, path, ACPI_NS_NO_UPSEARCH,
+ &node);
+ if (ACPI_FAILURE(status)) {
+ acpi_os_printf("[Could not get node by pathname]");
+ }
+ }
+
+ acpi_ns_print_node_pathname(node, message);
+ acpi_os_printf(", %s", acpi_format_exception(method_status));
+
+ ACPI_MSG_SUFFIX;
+ ACPI_MSG_REDIRECT_END;
+}
+
+#endif /* ACPI_NO_ERROR_MESSAGES */
diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c
index c3f3a7e7bdc..ee83adb97b1 100644
--- a/drivers/acpi/acpica/uteval.c
+++ b/drivers/acpi/acpica/uteval.c
@@ -68,7 +68,7 @@ ACPI_MODULE_NAME("uteval")
******************************************************************************/
acpi_status
-acpi_ut_evaluate_object(struct acpi_namespace_node * prefix_node,
+acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
char *path,
u32 expected_return_btypes,
union acpi_operand_object **return_desc)
@@ -87,7 +87,7 @@ acpi_ut_evaluate_object(struct acpi_namespace_node * prefix_node,
}
info->prefix_node = prefix_node;
- info->pathname = path;
+ info->relative_pathname = path;
/* Evaluate the object/method */
@@ -123,22 +123,27 @@ acpi_ut_evaluate_object(struct acpi_namespace_node * prefix_node,
switch ((info->return_object)->common.type) {
case ACPI_TYPE_INTEGER:
+
return_btype = ACPI_BTYPE_INTEGER;
break;
case ACPI_TYPE_BUFFER:
+
return_btype = ACPI_BTYPE_BUFFER;
break;
case ACPI_TYPE_STRING:
+
return_btype = ACPI_BTYPE_STRING;
break;
case ACPI_TYPE_PACKAGE:
+
return_btype = ACPI_BTYPE_PACKAGE;
break;
default:
+
return_btype = 0;
break;
}
diff --git a/drivers/acpi/acpica/utexcep.c b/drivers/acpi/acpica/utexcep.c
index b543a144941..ff6d9e8aa84 100644
--- a/drivers/acpi/acpica/utexcep.c
+++ b/drivers/acpi/acpica/utexcep.c
@@ -146,6 +146,7 @@ const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status status)
break;
default:
+
break;
}
diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c
index 43a170a74a6..fa69071db41 100644
--- a/drivers/acpi/acpica/utids.c
+++ b/drivers/acpi/acpica/utids.c
@@ -341,14 +341,17 @@ acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
switch (cid_objects[i]->common.type) {
case ACPI_TYPE_INTEGER:
+
string_area_size += ACPI_EISAID_STRING_SIZE;
break;
case ACPI_TYPE_STRING:
+
string_area_size += cid_objects[i]->string.length + 1;
break;
default:
+
status = AE_TYPE;
goto cleanup;
}
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c
index 785fdd07ae5..02f9101b65e 100644
--- a/drivers/acpi/acpica/utmisc.c
+++ b/drivers/acpi/acpica/utmisc.c
@@ -382,10 +382,12 @@ acpi_ut_display_init_pathname(u8 type,
switch (type) {
case ACPI_TYPE_METHOD:
+
acpi_os_printf("Executing ");
break;
default:
+
acpi_os_printf("Initializing ");
break;
}
diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c
index 1099f5c069f..aa61f66ee86 100644
--- a/drivers/acpi/acpica/utobject.c
+++ b/drivers/acpi/acpica/utobject.c
@@ -129,6 +129,7 @@ union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
break;
default:
+
/* All others have no secondary object */
break;
}
@@ -353,6 +354,7 @@ u8 acpi_ut_valid_internal_object(void *object)
return (TRUE);
default:
+
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"%p is not not an ACPI operand obj [%s]\n",
object, acpi_ut_get_descriptor_name(object)));
@@ -509,7 +511,6 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
switch (internal_object->reference.class) {
case ACPI_REFCLASS_NAME:
-
/*
* Get the actual length of the full pathname to this object.
* The reference will be converted to the pathname to the object
@@ -525,7 +526,6 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
break;
default:
-
/*
* No other reference opcodes are supported.
* Notably, Locals and Args are not supported, but this may be
@@ -585,7 +585,6 @@ acpi_ut_get_element_length(u8 object_type,
switch (object_type) {
case ACPI_COPY_TYPE_SIMPLE:
-
/*
* Simple object - just get the size (Null object/entry is handled
* here also) and sum it into the running package length
diff --git a/drivers/acpi/acpica/utpredef.c b/drivers/acpi/acpica/utpredef.c
index 29459479148..2b1ce4cd320 100644
--- a/drivers/acpi/acpica/utpredef.c
+++ b/drivers/acpi/acpica/utpredef.c
@@ -147,6 +147,11 @@ void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes)
u32 i;
u32 j;
+ if (!expected_btypes) {
+ ACPI_STRCPY(buffer, "NONE");
+ return;
+ }
+
j = 1;
buffer[0] = 0;
this_rtype = ACPI_RTYPE_INTEGER;
@@ -328,9 +333,7 @@ static u32 acpi_ut_get_argument_types(char *buffer, u16 argument_types)
/* First field in the types list is the count of args to follow */
- arg_count = (argument_types & METHOD_ARG_MASK);
- argument_types >>= METHOD_ARG_BIT_WIDTH;
-
+ arg_count = METHOD_GET_ARG_COUNT(argument_types);
if (arg_count > METHOD_PREDEF_ARGS_MAX) {
printf("**** Invalid argument count (%u) "
"in predefined info structure\n", arg_count);
@@ -340,7 +343,8 @@ static u32 acpi_ut_get_argument_types(char *buffer, u16 argument_types)
/* Get each argument from the list, convert to ascii, store to buffer */
for (i = 0; i < arg_count; i++) {
- this_argument_type = (argument_types & METHOD_ARG_MASK);
+ this_argument_type = METHOD_GET_NEXT_TYPE(argument_types);
+
if (!this_argument_type
|| (this_argument_type > METHOD_MAX_ARG_TYPE)) {
printf("**** Invalid argument type (%u) "
@@ -351,10 +355,6 @@ static u32 acpi_ut_get_argument_types(char *buffer, u16 argument_types)
strcat(buffer,
ut_external_type_names[this_argument_type] + sub_index);
-
- /* Shift to next argument type field */
-
- argument_types >>= METHOD_ARG_BIT_WIDTH;
sub_index = 0;
}
diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c
index b3e36a81aa4..c53759b76a3 100644
--- a/drivers/acpi/acpica/utstring.c
+++ b/drivers/acpi/acpica/utstring.c
@@ -186,10 +186,13 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer)
switch (base) {
case ACPI_ANY_BASE:
case 16:
+
break;
default:
+
/* Invalid Base */
+
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
@@ -355,36 +358,44 @@ void acpi_ut_print_string(char *string, u8 max_length)
switch (string[i]) {
case 0x07:
+
acpi_os_printf("\\a"); /* BELL */
break;
case 0x08:
+
acpi_os_printf("\\b"); /* BACKSPACE */
break;
case 0x0C:
+
acpi_os_printf("\\f"); /* FORMFEED */
break;
case 0x0A:
+
acpi_os_printf("\\n"); /* LINEFEED */
break;
case 0x0D:
+
acpi_os_printf("\\r"); /* CARRIAGE RETURN */
break;
case 0x09:
+
acpi_os_printf("\\t"); /* HORIZONTAL TAB */
break;
case 0x0B:
+
acpi_os_printf("\\v"); /* VERTICAL TAB */
break;
case '\'': /* Single Quote */
case '\"': /* Double Quote */
case '\\': /* Backslash */
+
acpi_os_printf("\\%c", (int)string[i]);
break;
@@ -451,7 +462,8 @@ u8 acpi_ut_valid_acpi_char(char character, u32 position)
*
* FUNCTION: acpi_ut_valid_acpi_name
*
- * PARAMETERS: name - The name to be examined
+ * PARAMETERS: name - The name to be examined. Does not have to
+ * be NULL terminated string.
*
* RETURN: TRUE if the name is valid, FALSE otherwise
*
@@ -462,15 +474,14 @@ u8 acpi_ut_valid_acpi_char(char character, u32 position)
*
******************************************************************************/
-u8 acpi_ut_valid_acpi_name(u32 name)
+u8 acpi_ut_valid_acpi_name(char *name)
{
u32 i;
ACPI_FUNCTION_ENTRY();
for (i = 0; i < ACPI_NAME_SIZE; i++) {
- if (!acpi_ut_valid_acpi_char
- ((ACPI_CAST_PTR(char, &name))[i], i)) {
+ if (!acpi_ut_valid_acpi_char(name[i], i)) {
return (FALSE);
}
}
diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c
index 62774c7b76a..160f13f4aab 100644
--- a/drivers/acpi/acpica/uttrack.c
+++ b/drivers/acpi/acpica/uttrack.c
@@ -603,6 +603,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
switch (ACPI_GET_DESCRIPTOR_TYPE
(descriptor)) {
case ACPI_DESC_TYPE_OPERAND:
+
if (element->size ==
sizeof(union
acpi_operand_object))
@@ -613,6 +614,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
break;
case ACPI_DESC_TYPE_PARSER:
+
if (element->size ==
sizeof(union
acpi_parse_object)) {
@@ -622,6 +624,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
break;
case ACPI_DESC_TYPE_NAMED:
+
if (element->size ==
sizeof(struct
acpi_namespace_node))
@@ -632,6 +635,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
break;
default:
+
break;
}
@@ -639,6 +643,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
switch (descriptor_type) {
case ACPI_DESC_TYPE_OPERAND:
+
acpi_os_printf
("%12.12s RefCount 0x%04X\n",
acpi_ut_get_type_name
@@ -649,6 +654,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
break;
case ACPI_DESC_TYPE_PARSER:
+
acpi_os_printf
("AmlOpcode 0x%04hX\n",
descriptor->op.asl.
@@ -656,6 +662,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
break;
case ACPI_DESC_TYPE_NAMED:
+
acpi_os_printf("%4.4s\n",
acpi_ut_get_node_name
(&descriptor->
@@ -663,6 +670,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
break;
default:
+
acpi_os_printf("\n");
break;
}
diff --git a/drivers/acpi/acpica/utxferror.c b/drivers/acpi/acpica/utxferror.c
index 976b6c734fc..e966a2e47b7 100644
--- a/drivers/acpi/acpica/utxferror.c
+++ b/drivers/acpi/acpica/utxferror.c
@@ -44,7 +44,6 @@
#include <linux/export.h>
#include <acpi/acpi.h>
#include "accommon.h"
-#include "acnamesp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utxferror")
@@ -52,43 +51,7 @@ ACPI_MODULE_NAME("utxferror")
/*
* This module is used for the in-kernel ACPICA as well as the ACPICA
* tools/applications.
- *
- * For the iASL compiler case, the output is redirected to stderr so that
- * any of the various ACPI errors and warnings do not appear in the output
- * files, for either the compiler or disassembler portions of the tool.
*/
-#ifdef ACPI_ASL_COMPILER
-#include <stdio.h>
-extern FILE *acpi_gbl_output_file;
-
-#define ACPI_MSG_REDIRECT_BEGIN \
- FILE *output_file = acpi_gbl_output_file; \
- acpi_os_redirect_output (stderr);
-
-#define ACPI_MSG_REDIRECT_END \
- acpi_os_redirect_output (output_file);
-
-#else
-/*
- * non-iASL case - no redirection, nothing to do
- */
-#define ACPI_MSG_REDIRECT_BEGIN
-#define ACPI_MSG_REDIRECT_END
-#endif
-/*
- * Common message prefixes
- */
-#define ACPI_MSG_ERROR "ACPI Error: "
-#define ACPI_MSG_EXCEPTION "ACPI Exception: "
-#define ACPI_MSG_WARNING "ACPI Warning: "
-#define ACPI_MSG_INFO "ACPI: "
-#define ACPI_MSG_BIOS_ERROR "ACPI BIOS Bug: Error: "
-#define ACPI_MSG_BIOS_WARNING "ACPI BIOS Bug: Warning: "
-/*
- * Common message suffix
- */
-#define ACPI_MSG_SUFFIX \
- acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
/*******************************************************************************
*
* FUNCTION: acpi_error
@@ -285,200 +248,3 @@ acpi_bios_warning(const char *module_name,
}
ACPI_EXPORT_SYMBOL(acpi_bios_warning)
-
-/*
- * The remainder of this module contains internal error functions that may
- * be configured out.
- */
-#if !defined (ACPI_NO_ERROR_MESSAGES) && !defined (ACPI_BIN_APP)
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_predefined_warning
- *
- * PARAMETERS: module_name - Caller's module name (for error output)
- * line_number - Caller's line number (for error output)
- * pathname - Full pathname to the node
- * node_flags - From Namespace node for the method/object
- * format - Printf format string + additional args
- *
- * RETURN: None
- *
- * DESCRIPTION: Warnings for the predefined validation module. Messages are
- * only emitted the first time a problem with a particular
- * method/object is detected. This prevents a flood of error
- * messages for methods that are repeatedly evaluated.
- *
- ******************************************************************************/
-void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_predefined_warning(const char *module_name,
- u32 line_number,
- char *pathname,
- u8 node_flags, const char *format, ...)
-{
- va_list arg_list;
-
- /*
- * Warning messages for this method/object will be disabled after the
- * first time a validation fails or an object is successfully repaired.
- */
- if (node_flags & ANOBJ_EVALUATED) {
- return;
- }
-
- acpi_os_printf(ACPI_MSG_WARNING "For %s: ", pathname);
-
- va_start(arg_list, format);
- acpi_os_vprintf(format, arg_list);
- ACPI_MSG_SUFFIX;
- va_end(arg_list);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_predefined_info
- *
- * PARAMETERS: module_name - Caller's module name (for error output)
- * line_number - Caller's line number (for error output)
- * pathname - Full pathname to the node
- * node_flags - From Namespace node for the method/object
- * format - Printf format string + additional args
- *
- * RETURN: None
- *
- * DESCRIPTION: Info messages for the predefined validation module. Messages
- * are only emitted the first time a problem with a particular
- * method/object is detected. This prevents a flood of
- * messages for methods that are repeatedly evaluated.
- *
- ******************************************************************************/
-
-void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_predefined_info(const char *module_name,
- u32 line_number,
- char *pathname, u8 node_flags, const char *format, ...)
-{
- va_list arg_list;
-
- /*
- * Warning messages for this method/object will be disabled after the
- * first time a validation fails or an object is successfully repaired.
- */
- if (node_flags & ANOBJ_EVALUATED) {
- return;
- }
-
- acpi_os_printf(ACPI_MSG_INFO "For %s: ", pathname);
-
- va_start(arg_list, format);
- acpi_os_vprintf(format, arg_list);
- ACPI_MSG_SUFFIX;
- va_end(arg_list);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_namespace_error
- *
- * PARAMETERS: module_name - Caller's module name (for error output)
- * line_number - Caller's line number (for error output)
- * internal_name - Name or path of the namespace node
- * lookup_status - Exception code from NS lookup
- *
- * RETURN: None
- *
- * DESCRIPTION: Print error message with the full pathname for the NS node.
- *
- ******************************************************************************/
-
-void
-acpi_ut_namespace_error(const char *module_name,
- u32 line_number,
- const char *internal_name, acpi_status lookup_status)
-{
- acpi_status status;
- u32 bad_name;
- char *name = NULL;
-
- ACPI_MSG_REDIRECT_BEGIN;
- acpi_os_printf(ACPI_MSG_ERROR);
-
- if (lookup_status == AE_BAD_CHARACTER) {
-
- /* There is a non-ascii character in the name */
-
- ACPI_MOVE_32_TO_32(&bad_name,
- ACPI_CAST_PTR(u32, internal_name));
- acpi_os_printf("[0x%.8X] (NON-ASCII)", bad_name);
- } else {
- /* Convert path to external format */
-
- status = acpi_ns_externalize_name(ACPI_UINT32_MAX,
- internal_name, NULL, &name);
-
- /* Print target name */
-
- if (ACPI_SUCCESS(status)) {
- acpi_os_printf("[%s]", name);
- } else {
- acpi_os_printf("[COULD NOT EXTERNALIZE NAME]");
- }
-
- if (name) {
- ACPI_FREE(name);
- }
- }
-
- acpi_os_printf(" Namespace lookup failure, %s",
- acpi_format_exception(lookup_status));
-
- ACPI_MSG_SUFFIX;
- ACPI_MSG_REDIRECT_END;
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_method_error
- *
- * PARAMETERS: module_name - Caller's module name (for error output)
- * line_number - Caller's line number (for error output)
- * message - Error message to use on failure
- * prefix_node - Prefix relative to the path
- * path - Path to the node (optional)
- * method_status - Execution status
- *
- * RETURN: None
- *
- * DESCRIPTION: Print error message with the full pathname for the method.
- *
- ******************************************************************************/
-
-void
-acpi_ut_method_error(const char *module_name,
- u32 line_number,
- const char *message,
- struct acpi_namespace_node *prefix_node,
- const char *path, acpi_status method_status)
-{
- acpi_status status;
- struct acpi_namespace_node *node = prefix_node;
-
- ACPI_MSG_REDIRECT_BEGIN;
- acpi_os_printf(ACPI_MSG_ERROR);
-
- if (path) {
- status =
- acpi_ns_get_node(prefix_node, path, ACPI_NS_NO_UPSEARCH,
- &node);
- if (ACPI_FAILURE(status)) {
- acpi_os_printf("[Could not get node by pathname]");
- }
- }
-
- acpi_ns_print_node_pathname(node, message);
- acpi_os_printf(", %s", acpi_format_exception(method_status));
-
- ACPI_MSG_SUFFIX;
- ACPI_MSG_REDIRECT_END;
-}
-
-#endif /* ACPI_NO_ERROR_MESSAGES */
diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
index fefc2ca7cc3..33dc6a00480 100644
--- a/drivers/acpi/apei/cper.c
+++ b/drivers/acpi/apei/cper.c
@@ -250,10 +250,6 @@ static const char *cper_pcie_port_type_strs[] = {
static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
const struct acpi_hest_generic_data *gdata)
{
-#ifdef CONFIG_ACPI_APEI_PCIEAER
- struct pci_dev *dev;
-#endif
-
if (pcie->validation_bits & CPER_PCIE_VALID_PORT_TYPE)
printk("%s""port_type: %d, %s\n", pfx, pcie->port_type,
pcie->port_type < ARRAY_SIZE(cper_pcie_port_type_strs) ?
@@ -285,20 +281,6 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
printk(
"%s""bridge: secondary_status: 0x%04x, control: 0x%04x\n",
pfx, pcie->bridge.secondary_status, pcie->bridge.control);
-#ifdef CONFIG_ACPI_APEI_PCIEAER
- dev = pci_get_domain_bus_and_slot(pcie->device_id.segment,
- pcie->device_id.bus, pcie->device_id.function);
- if (!dev) {
- pr_err("PCI AER Cannot get PCI device %04x:%02x:%02x.%d\n",
- pcie->device_id.segment, pcie->device_id.bus,
- pcie->device_id.slot, pcie->device_id.function);
- return;
- }
- if (pcie->validation_bits & CPER_PCIE_VALID_AER_INFO)
- cper_print_aer(pfx, dev, gdata->error_severity,
- (struct aer_capability_regs *) pcie->aer_info);
- pci_dev_put(dev);
-#endif
}
static const char *apei_estatus_section_flag_strs[] = {
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index 8d457b55c55..fb57d03e698 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -32,6 +32,7 @@
#include <linux/seq_file.h>
#include <linux/nmi.h>
#include <linux/delay.h>
+#include <linux/mm.h>
#include <acpi/acpi.h>
#include "apei-internal.h"
@@ -41,6 +42,10 @@
#define SPIN_UNIT 100 /* 100ns */
/* Firmware should respond within 1 milliseconds */
#define FIRMWARE_TIMEOUT (1 * NSEC_PER_MSEC)
+#define ACPI5_VENDOR_BIT BIT(31)
+#define MEM_ERROR_MASK (ACPI_EINJ_MEMORY_CORRECTABLE | \
+ ACPI_EINJ_MEMORY_UNCORRECTABLE | \
+ ACPI_EINJ_MEMORY_FATAL)
/*
* ACPI version 5 provides a SET_ERROR_TYPE_WITH_ADDRESS action.
@@ -367,7 +372,7 @@ static int __einj_error_trigger(u64 trigger_paddr, u32 type,
* This will cause resource conflict with regular memory. So
* remove it from trigger table resources.
*/
- if ((param_extension || acpi5) && (type & 0x0038) && param2) {
+ if ((param_extension || acpi5) && (type & MEM_ERROR_MASK) && param2) {
struct apei_resources addr_resources;
apei_resources_init(&addr_resources);
trigger_param_region = einj_get_trigger_parameter_region(
@@ -427,7 +432,7 @@ static int __einj_error_inject(u32 type, u64 param1, u64 param2)
struct set_error_type_with_address *v5param = einj_param;
v5param->type = type;
- if (type & 0x80000000) {
+ if (type & ACPI5_VENDOR_BIT) {
switch (vendor_flags) {
case SETWA_FLAGS_APICID:
v5param->apicid = param1;
@@ -512,7 +517,34 @@ static int __einj_error_inject(u32 type, u64 param1, u64 param2)
static int einj_error_inject(u32 type, u64 param1, u64 param2)
{
int rc;
+ unsigned long pfn;
+ /*
+ * We need extra sanity checks for memory errors.
+ * Other types leap directly to injection.
+ */
+
+ /* ensure param1/param2 existed */
+ if (!(param_extension || acpi5))
+ goto inject;
+
+ /* ensure injection is memory related */
+ if (type & ACPI5_VENDOR_BIT) {
+ if (vendor_flags != SETWA_FLAGS_MEM)
+ goto inject;
+ } else if (!(type & MEM_ERROR_MASK))
+ goto inject;
+
+ /*
+ * Disallow crazy address masks that give BIOS leeway to pick
+ * injection address almost anywhere. Insist on page or
+ * better granularity and that target address is normal RAM.
+ */
+ pfn = PFN_DOWN(param1 & param2);
+ if (!page_is_ram(pfn) || ((param2 & PAGE_MASK) != PAGE_MASK))
+ return -EINVAL;
+
+inject:
mutex_lock(&einj_mutex);
rc = __einj_error_inject(type, param1, param2);
mutex_unlock(&einj_mutex);
@@ -590,7 +622,7 @@ static int error_type_set(void *data, u64 val)
* Vendor defined types have 0x80000000 bit set, and
* are not enumerated by ACPI_EINJ_GET_ERROR_TYPE
*/
- vendor = val & 0x80000000;
+ vendor = val & ACPI5_VENDOR_BIT;
tval = val & 0x7fffffff;
/* Only one error type can be specified */
@@ -694,6 +726,7 @@ static int __init einj_init(void)
if (rc)
goto err_release;
+ rc = -ENOMEM;
einj_param = einj_get_parameter_address();
if ((param_extension || acpi5) && einj_param) {
fentry = debugfs_create_x64("param1", S_IRUSR | S_IWUSR,
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 6d894bfd8b8..f7b3b39e94f 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -1180,20 +1180,28 @@ static int __init erst_init(void)
if (!erst_erange.vaddr)
goto err_release_erange;
+ pr_info(ERST_PFX
+ "Error Record Serialization Table (ERST) support is initialized.\n");
+
buf = kmalloc(erst_erange.size, GFP_KERNEL);
spin_lock_init(&erst_info.buf_lock);
if (buf) {
erst_info.buf = buf + sizeof(struct cper_pstore_record);
erst_info.bufsize = erst_erange.size -
sizeof(struct cper_pstore_record);
- if (pstore_register(&erst_info)) {
- pr_info(ERST_PFX "Could not register with persistent store\n");
+ rc = pstore_register(&erst_info);
+ if (rc) {
+ if (rc != -EPERM)
+ pr_info(ERST_PFX
+ "Could not register with persistent store\n");
+ erst_info.buf = NULL;
+ erst_info.bufsize = 0;
kfree(buf);
}
- }
-
- pr_info(ERST_PFX
- "Error Record Serialization Table (ERST) support is initialized.\n");
+ } else
+ pr_err(ERST_PFX
+ "Failed to allocate %lld bytes for persistent store error log\n",
+ erst_erange.size);
return 0;
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index ab315515908..ec9b57d428a 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -464,7 +464,9 @@ static void ghes_do_proc(struct ghes *ghes,
aer_recover_queue(pcie_err->device_id.segment,
pcie_err->device_id.bus,
- devfn, aer_severity);
+ devfn, aer_severity,
+ (struct aer_capability_regs *)
+ pcie_err->aer_info);
}
}
@@ -927,13 +929,14 @@ static int ghes_probe(struct platform_device *ghes_dev)
break;
case ACPI_HEST_NOTIFY_EXTERNAL:
/* External interrupt vector is GSI */
- if (acpi_gsi_to_irq(generic->notify.vector, &ghes->irq)) {
+ rc = acpi_gsi_to_irq(generic->notify.vector, &ghes->irq);
+ if (rc) {
pr_err(GHES_PFX "Failed to map GSI to IRQ for generic hardware error source: %d\n",
generic->header.source_id);
goto err_edac_unreg;
}
- if (request_irq(ghes->irq, ghes_irq_func,
- 0, "GHES IRQ", ghes)) {
+ rc = request_irq(ghes->irq, ghes_irq_func, 0, "GHES IRQ", ghes);
+ if (rc) {
pr_err(GHES_PFX "Failed to register IRQ for generic hardware error source: %d\n",
generic->header.source_id);
goto err_edac_unreg;
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index e7100459ac4..082b4dd252a 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -425,7 +425,7 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
{
int result = -EFAULT;
acpi_status status = 0;
- char *name = test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags)?
+ char *name = test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags) ?
"_BIX" : "_BIF";
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
@@ -661,11 +661,11 @@ static void find_battery(const struct dmi_header *dm, void *private)
static void acpi_battery_quirks(struct acpi_battery *battery)
{
if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags))
- return ;
+ return;
- if (battery->full_charge_capacity == 100 &&
- battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN &&
- battery->capacity_now >=0 && battery->capacity_now <= 100) {
+ if (battery->full_charge_capacity == 100 &&
+ battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN &&
+ battery->capacity_now >= 0 && battery->capacity_now <= 100) {
set_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags);
battery->full_charge_capacity = battery->design_capacity;
battery->capacity_now = (battery->capacity_now *
@@ -673,7 +673,7 @@ static void acpi_battery_quirks(struct acpi_battery *battery)
}
if (test_bit(ACPI_BATTERY_QUIRK_THINKPAD_MAH, &battery->flags))
- return ;
+ return;
if (battery->power_unit && dmi_name_in_vendors("LENOVO")) {
const char *s;
@@ -761,7 +761,7 @@ static int acpi_battery_print_info(struct seq_file *seq, int result)
goto end;
seq_printf(seq, "present: %s\n",
- acpi_battery_present(battery)?"yes":"no");
+ acpi_battery_present(battery) ? "yes" : "no");
if (!acpi_battery_present(battery))
goto end;
if (battery->design_capacity == ACPI_BATTERY_VALUE_UNKNOWN)
@@ -817,12 +817,12 @@ static int acpi_battery_print_state(struct seq_file *seq, int result)
goto end;
seq_printf(seq, "present: %s\n",
- acpi_battery_present(battery)?"yes":"no");
+ acpi_battery_present(battery) ? "yes" : "no");
if (!acpi_battery_present(battery))
goto end;
seq_printf(seq, "capacity state: %s\n",
- (battery->state & 0x04)?"critical":"ok");
+ (battery->state & 0x04) ? "critical" : "ok");
if ((battery->state & 0x01) && (battery->state & 0x02))
seq_printf(seq,
"charging state: charging/discharging\n");
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 292de3cab9c..a5bb33bab44 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -91,8 +91,7 @@ static struct dmi_system_id dsdt_dmi_table[] __initdata = {
int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device)
{
- acpi_status status = AE_OK;
-
+ acpi_status status;
if (!device)
return -EINVAL;
@@ -162,7 +161,7 @@ EXPORT_SYMBOL(acpi_bus_private_data_handler);
int acpi_bus_get_private_data(acpi_handle handle, void **data)
{
- acpi_status status = AE_OK;
+ acpi_status status;
if (!*data)
return -EINVAL;
@@ -361,7 +360,7 @@ extern int event_is_open;
int acpi_bus_generate_proc_event4(const char *device_class, const char *bus_id, u8 type, int data)
{
struct acpi_bus_event *event;
- unsigned long flags = 0;
+ unsigned long flags;
/* drop event on the floor if no one's listening */
if (!event_is_open)
@@ -400,7 +399,7 @@ EXPORT_SYMBOL(acpi_bus_generate_proc_event);
int acpi_bus_receive_event(struct acpi_bus_event *event)
{
- unsigned long flags = 0;
+ unsigned long flags;
struct acpi_bus_event *entry = NULL;
DECLARE_WAITQUEUE(wait, current);
@@ -593,7 +592,7 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
static int __init acpi_bus_init_irq(void)
{
- acpi_status status = AE_OK;
+ acpi_status status;
union acpi_object arg = { ACPI_TYPE_INTEGER };
struct acpi_object_list arg_list = { 1, &arg };
char *message = NULL;
@@ -640,7 +639,7 @@ u8 acpi_gbl_permanent_mmap;
void __init acpi_early_init(void)
{
- acpi_status status = AE_OK;
+ acpi_status status;
if (acpi_disabled)
return;
@@ -714,8 +713,8 @@ void __init acpi_early_init(void)
static int __init acpi_bus_init(void)
{
- int result = 0;
- acpi_status status = AE_OK;
+ int result;
+ acpi_status status;
extern acpi_status acpi_os_initialize1(void);
acpi_os_initialize1();
diff --git a/drivers/acpi/csrt.c b/drivers/acpi/csrt.c
deleted file mode 100644
index 5c15a91faf0..00000000000
--- a/drivers/acpi/csrt.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Support for Core System Resources Table (CSRT)
- *
- * Copyright (C) 2013, Intel Corporation
- * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
- * Andy Shevchenko <andriy.shevchenko@linux.intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#define pr_fmt(fmt) "ACPI: CSRT: " fmt
-
-#include <linux/acpi.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/sizes.h>
-
-ACPI_MODULE_NAME("CSRT");
-
-static int __init acpi_csrt_parse_shared_info(struct platform_device *pdev,
- const struct acpi_csrt_group *grp)
-{
- const struct acpi_csrt_shared_info *si;
- struct resource res[3];
- size_t nres;
- int ret;
-
- memset(res, 0, sizeof(res));
- nres = 0;
-
- si = (const struct acpi_csrt_shared_info *)&grp[1];
- /*
- * The peripherals that are listed on CSRT typically support only
- * 32-bit addresses so we only use the low part of MMIO base for
- * now.
- */
- if (!si->mmio_base_high && si->mmio_base_low) {
- /*
- * There is no size of the memory resource in shared_info
- * so we assume that it is 4k here.
- */
- res[nres].start = si->mmio_base_low;
- res[nres].end = res[0].start + SZ_4K - 1;
- res[nres++].flags = IORESOURCE_MEM;
- }
-
- if (si->gsi_interrupt) {
- int irq = acpi_register_gsi(NULL, si->gsi_interrupt,
- si->interrupt_mode,
- si->interrupt_polarity);
- res[nres].start = irq;
- res[nres].end = irq;
- res[nres++].flags = IORESOURCE_IRQ;
- }
-
- if (si->base_request_line || si->num_handshake_signals) {
- /*
- * We pass the driver a DMA resource describing the range
- * of request lines the device supports.
- */
- res[nres].start = si->base_request_line;
- res[nres].end = res[nres].start + si->num_handshake_signals - 1;
- res[nres++].flags = IORESOURCE_DMA;
- }
-
- ret = platform_device_add_resources(pdev, res, nres);
- if (ret) {
- if (si->gsi_interrupt)
- acpi_unregister_gsi(si->gsi_interrupt);
- return ret;
- }
-
- return 0;
-}
-
-static int __init
-acpi_csrt_parse_resource_group(const struct acpi_csrt_group *grp)
-{
- struct platform_device *pdev;
- char vendor[5], name[16];
- int ret, i;
-
- vendor[0] = grp->vendor_id;
- vendor[1] = grp->vendor_id >> 8;
- vendor[2] = grp->vendor_id >> 16;
- vendor[3] = grp->vendor_id >> 24;
- vendor[4] = '\0';
-
- if (grp->shared_info_length != sizeof(struct acpi_csrt_shared_info))
- return -ENODEV;
-
- snprintf(name, sizeof(name), "%s%04X", vendor, grp->device_id);
- pdev = platform_device_alloc(name, PLATFORM_DEVID_AUTO);
- if (!pdev)
- return -ENOMEM;
-
- /* Add resources based on the shared info */
- ret = acpi_csrt_parse_shared_info(pdev, grp);
- if (ret)
- goto fail;
-
- ret = platform_device_add(pdev);
- if (ret)
- goto fail;
-
- for (i = 0; i < pdev->num_resources; i++)
- dev_dbg(&pdev->dev, "%pR\n", &pdev->resource[i]);
-
- return 0;
-
-fail:
- platform_device_put(pdev);
- return ret;
-}
-
-/*
- * CSRT or Core System Resources Table is a proprietary ACPI table
- * introduced by Microsoft. This table can contain devices that are not in
- * the system DSDT table. In particular DMA controllers might be described
- * here.
- *
- * We present these devices as normal platform devices that don't have ACPI
- * IDs or handle. The platform device name will be something like
- * <VENDOR><DEVID>.<n>.auto for example: INTL9C06.0.auto.
- */
-void __init acpi_csrt_init(void)
-{
- struct acpi_csrt_group *grp, *end;
- struct acpi_table_csrt *csrt;
- acpi_status status;
- int ret;
-
- status = acpi_get_table(ACPI_SIG_CSRT, 0,
- (struct acpi_table_header **)&csrt);
- if (ACPI_FAILURE(status)) {
- if (status != AE_NOT_FOUND)
- pr_warn("failed to get the CSRT table\n");
- return;
- }
-
- pr_debug("parsing CSRT table for devices\n");
-
- grp = (struct acpi_csrt_group *)(csrt + 1);
- end = (struct acpi_csrt_group *)((void *)csrt + csrt->header.length);
-
- while (grp < end) {
- ret = acpi_csrt_parse_resource_group(grp);
- if (ret) {
- pr_warn("error in parsing resource group: %d\n", ret);
- return;
- }
-
- grp = (struct acpi_csrt_group *)((void *)grp + grp->length);
- }
-}
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 96de787e610..e9e8bb24785 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -37,68 +37,6 @@
#define _COMPONENT ACPI_POWER_COMPONENT
ACPI_MODULE_NAME("device_pm");
-static DEFINE_MUTEX(acpi_pm_notifier_lock);
-
-/**
- * acpi_add_pm_notifier - Register PM notifier for given ACPI device.
- * @adev: ACPI device to add the notifier for.
- * @context: Context information to pass to the notifier routine.
- *
- * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of
- * PM wakeup events. For example, wakeup events may be generated for bridges
- * if one of the devices below the bridge is signaling wakeup, even if the
- * bridge itself doesn't have a wakeup GPE associated with it.
- */
-acpi_status acpi_add_pm_notifier(struct acpi_device *adev,
- acpi_notify_handler handler, void *context)
-{
- acpi_status status = AE_ALREADY_EXISTS;
-
- mutex_lock(&acpi_pm_notifier_lock);
-
- if (adev->wakeup.flags.notifier_present)
- goto out;
-
- status = acpi_install_notify_handler(adev->handle,
- ACPI_SYSTEM_NOTIFY,
- handler, context);
- if (ACPI_FAILURE(status))
- goto out;
-
- adev->wakeup.flags.notifier_present = true;
-
- out:
- mutex_unlock(&acpi_pm_notifier_lock);
- return status;
-}
-
-/**
- * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device.
- * @adev: ACPI device to remove the notifier from.
- */
-acpi_status acpi_remove_pm_notifier(struct acpi_device *adev,
- acpi_notify_handler handler)
-{
- acpi_status status = AE_BAD_PARAMETER;
-
- mutex_lock(&acpi_pm_notifier_lock);
-
- if (!adev->wakeup.flags.notifier_present)
- goto out;
-
- status = acpi_remove_notify_handler(adev->handle,
- ACPI_SYSTEM_NOTIFY,
- handler);
- if (ACPI_FAILURE(status))
- goto out;
-
- adev->wakeup.flags.notifier_present = false;
-
- out:
- mutex_unlock(&acpi_pm_notifier_lock);
- return status;
-}
-
/**
* acpi_power_state_string - String representation of ACPI device power state.
* @state: ACPI device power state to return the string representation of.
@@ -340,16 +278,38 @@ int acpi_bus_init_power(struct acpi_device *device)
if (result)
return result;
} else if (state == ACPI_STATE_UNKNOWN) {
- /* No power resources and missing _PSC? Try to force D0. */
+ /*
+ * No power resources and missing _PSC? Cross fingers and make
+ * it D0 in hope that this is what the BIOS put the device into.
+ * [We tried to force D0 here by executing _PS0, but that broke
+ * Toshiba P870-303 in a nasty way.]
+ */
state = ACPI_STATE_D0;
- result = acpi_dev_pm_explicit_set(device, state);
- if (result)
- return result;
}
device->power.state = state;
return 0;
}
+/**
+ * acpi_device_fix_up_power - Force device with missing _PSC into D0.
+ * @device: Device object whose power state is to be fixed up.
+ *
+ * Devices without power resources and _PSC, but having _PS0 and _PS3 defined,
+ * are assumed to be put into D0 by the BIOS. However, in some cases that may
+ * not be the case and this function should be used then.
+ */
+int acpi_device_fix_up_power(struct acpi_device *device)
+{
+ int ret = 0;
+
+ if (!device->power.flags.power_resources
+ && !device->power.flags.explicit_get
+ && device->power.state == ACPI_STATE_D0)
+ ret = acpi_dev_pm_explicit_set(device, ACPI_STATE_D0);
+
+ return ret;
+}
+
int acpi_bus_update_power(acpi_handle handle, int *state_p)
{
struct acpi_device *device;
@@ -385,6 +345,69 @@ bool acpi_bus_power_manageable(acpi_handle handle)
}
EXPORT_SYMBOL(acpi_bus_power_manageable);
+#ifdef CONFIG_PM
+static DEFINE_MUTEX(acpi_pm_notifier_lock);
+
+/**
+ * acpi_add_pm_notifier - Register PM notifier for given ACPI device.
+ * @adev: ACPI device to add the notifier for.
+ * @context: Context information to pass to the notifier routine.
+ *
+ * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of
+ * PM wakeup events. For example, wakeup events may be generated for bridges
+ * if one of the devices below the bridge is signaling wakeup, even if the
+ * bridge itself doesn't have a wakeup GPE associated with it.
+ */
+acpi_status acpi_add_pm_notifier(struct acpi_device *adev,
+ acpi_notify_handler handler, void *context)
+{
+ acpi_status status = AE_ALREADY_EXISTS;
+
+ mutex_lock(&acpi_pm_notifier_lock);
+
+ if (adev->wakeup.flags.notifier_present)
+ goto out;
+
+ status = acpi_install_notify_handler(adev->handle,
+ ACPI_SYSTEM_NOTIFY,
+ handler, context);
+ if (ACPI_FAILURE(status))
+ goto out;
+
+ adev->wakeup.flags.notifier_present = true;
+
+ out:
+ mutex_unlock(&acpi_pm_notifier_lock);
+ return status;
+}
+
+/**
+ * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device.
+ * @adev: ACPI device to remove the notifier from.
+ */
+acpi_status acpi_remove_pm_notifier(struct acpi_device *adev,
+ acpi_notify_handler handler)
+{
+ acpi_status status = AE_BAD_PARAMETER;
+
+ mutex_lock(&acpi_pm_notifier_lock);
+
+ if (!adev->wakeup.flags.notifier_present)
+ goto out;
+
+ status = acpi_remove_notify_handler(adev->handle,
+ ACPI_SYSTEM_NOTIFY,
+ handler);
+ if (ACPI_FAILURE(status))
+ goto out;
+
+ adev->wakeup.flags.notifier_present = false;
+
+ out:
+ mutex_unlock(&acpi_pm_notifier_lock);
+ return status;
+}
+
bool acpi_bus_can_wakeup(acpi_handle handle)
{
struct acpi_device *device;
@@ -396,62 +419,73 @@ bool acpi_bus_can_wakeup(acpi_handle handle)
EXPORT_SYMBOL(acpi_bus_can_wakeup);
/**
- * acpi_device_power_state - Get preferred power state of ACPI device.
+ * acpi_dev_pm_get_state - Get preferred power state of ACPI device.
* @dev: Device whose preferred target power state to return.
* @adev: ACPI device node corresponding to @dev.
* @target_state: System state to match the resultant device state.
- * @d_max_in: Deepest low-power state to take into consideration.
- * @d_min_p: Location to store the upper limit of the allowed states range.
- * Return value: Preferred power state of the device on success, -ENODEV
- * (if there's no 'struct acpi_device' for @dev) or -EINVAL on failure
+ * @d_min_p: Location to store the highest power state available to the device.
+ * @d_max_p: Location to store the lowest power state available to the device.
*
- * Find the lowest power (highest number) ACPI device power state that the
- * device can be in while the system is in the state represented by
- * @target_state. If @d_min_p is set, the highest power (lowest number) device
- * power state that @dev can be in for the given system sleep state is stored
- * at the location pointed to by it.
+ * Find the lowest power (highest number) and highest power (lowest number) ACPI
+ * device power states that the device can be in while the system is in the
+ * state represented by @target_state. Store the integer numbers representing
+ * those stats in the memory locations pointed to by @d_max_p and @d_min_p,
+ * respectively.
*
* Callers must ensure that @dev and @adev are valid pointers and that @adev
* actually corresponds to @dev before using this function.
+ *
+ * Returns 0 on success or -ENODATA when one of the ACPI methods fails or
+ * returns a value that doesn't make sense. The memory locations pointed to by
+ * @d_max_p and @d_min_p are only modified on success.
*/
-int acpi_device_power_state(struct device *dev, struct acpi_device *adev,
- u32 target_state, int d_max_in, int *d_min_p)
+static int acpi_dev_pm_get_state(struct device *dev, struct acpi_device *adev,
+ u32 target_state, int *d_min_p, int *d_max_p)
{
- char acpi_method[] = "_SxD";
- unsigned long long d_min, d_max;
+ char method[] = { '_', 'S', '0' + target_state, 'D', '\0' };
+ acpi_handle handle = adev->handle;
+ unsigned long long ret;
+ int d_min, d_max;
bool wakeup = false;
+ acpi_status status;
- if (d_max_in < ACPI_STATE_D0 || d_max_in > ACPI_STATE_D3)
- return -EINVAL;
-
- if (d_max_in > ACPI_STATE_D3_HOT) {
- enum pm_qos_flags_status stat;
-
- stat = dev_pm_qos_flags(dev, PM_QOS_FLAG_NO_POWER_OFF);
- if (stat == PM_QOS_FLAGS_ALL)
- d_max_in = ACPI_STATE_D3_HOT;
- }
-
- acpi_method[2] = '0' + target_state;
/*
- * If the sleep state is S0, the lowest limit from ACPI is D3,
- * but if the device has _S0W, we will use the value from _S0W
- * as the lowest limit from ACPI. Finally, we will constrain
- * the lowest limit with the specified one.
+ * If the system state is S0, the lowest power state the device can be
+ * in is D3cold, unless the device has _S0W and is supposed to signal
+ * wakeup, in which case the return value of _S0W has to be used as the
+ * lowest power state available to the device.
*/
d_min = ACPI_STATE_D0;
- d_max = ACPI_STATE_D3;
+ d_max = ACPI_STATE_D3_COLD;
/*
* If present, _SxD methods return the minimum D-state (highest power
* state) we can use for the corresponding S-states. Otherwise, the
* minimum D-state is D0 (ACPI 3.x).
- *
- * NOTE: We rely on acpi_evaluate_integer() not clobbering the integer
- * provided -- that's our fault recovery, we ignore retval.
*/
if (target_state > ACPI_STATE_S0) {
- acpi_evaluate_integer(adev->handle, acpi_method, NULL, &d_min);
+ /*
+ * We rely on acpi_evaluate_integer() not clobbering the integer
+ * provided if AE_NOT_FOUND is returned.
+ */
+ ret = d_min;
+ status = acpi_evaluate_integer(handle, method, NULL, &ret);
+ if ((ACPI_FAILURE(status) && status != AE_NOT_FOUND)
+ || ret > ACPI_STATE_D3_COLD)
+ return -ENODATA;
+
+ /*
+ * We need to handle legacy systems where D3hot and D3cold are
+ * the same and 3 is returned in both cases, so fall back to
+ * D3cold if D3hot is not a valid state.
+ */
+ if (!adev->power.states[ret].flags.valid) {
+ if (ret == ACPI_STATE_D3_HOT)
+ ret = ACPI_STATE_D3_COLD;
+ else
+ return -ENODATA;
+ }
+ d_min = ret;
wakeup = device_may_wakeup(dev) && adev->wakeup.flags.valid
&& adev->wakeup.sleep_state >= target_state;
} else if (dev_pm_qos_flags(dev, PM_QOS_FLAG_REMOTE_WAKEUP) !=
@@ -467,38 +501,30 @@ int acpi_device_power_state(struct device *dev, struct acpi_device *adev,
* can wake the system. _S0W may be valid, too.
*/
if (wakeup) {
- acpi_status status;
-
- acpi_method[3] = 'W';
- status = acpi_evaluate_integer(adev->handle, acpi_method, NULL,
- &d_max);
- if (ACPI_FAILURE(status)) {
- if (target_state != ACPI_STATE_S0 ||
- status != AE_NOT_FOUND)
+ method[3] = 'W';
+ status = acpi_evaluate_integer(handle, method, NULL, &ret);
+ if (status == AE_NOT_FOUND) {
+ if (target_state > ACPI_STATE_S0)
d_max = d_min;
- } else if (d_max < d_min) {
- /* Warn the user of the broken DSDT */
- printk(KERN_WARNING "ACPI: Wrong value from %s\n",
- acpi_method);
- /* Sanitize it */
- d_min = d_max;
+ } else if (ACPI_SUCCESS(status) && ret <= ACPI_STATE_D3_COLD) {
+ /* Fall back to D3cold if ret is not a valid state. */
+ if (!adev->power.states[ret].flags.valid)
+ ret = ACPI_STATE_D3_COLD;
+
+ d_max = ret > d_min ? ret : d_min;
+ } else {
+ return -ENODATA;
}
}
- if (d_max_in < d_min)
- return -EINVAL;
if (d_min_p)
*d_min_p = d_min;
- /* constrain d_max with specified lowest limit (max number) */
- if (d_max > d_max_in) {
- for (d_max = d_max_in; d_max > d_min; d_max--) {
- if (adev->power.states[d_max].flags.valid)
- break;
- }
- }
- return d_max;
+
+ if (d_max_p)
+ *d_max_p = d_max;
+
+ return 0;
}
-EXPORT_SYMBOL_GPL(acpi_device_power_state);
/**
* acpi_pm_device_sleep_state - Get preferred power state of ACPI device.
@@ -506,7 +532,8 @@ EXPORT_SYMBOL_GPL(acpi_device_power_state);
* @d_min_p: Location to store the upper limit of the allowed states range.
* @d_max_in: Deepest low-power state to take into consideration.
* Return value: Preferred power state of the device on success, -ENODEV
- * (if there's no 'struct acpi_device' for @dev) or -EINVAL on failure
+ * if there's no 'struct acpi_device' for @dev, -EINVAL if @d_max_in is
+ * incorrect, or -ENODATA on ACPI method failure.
*
* The caller must ensure that @dev is valid before using this function.
*/
@@ -514,14 +541,43 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in)
{
acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
struct acpi_device *adev;
+ int ret, d_min, d_max;
+
+ if (d_max_in < ACPI_STATE_D0 || d_max_in > ACPI_STATE_D3_COLD)
+ return -EINVAL;
+
+ if (d_max_in > ACPI_STATE_D3_HOT) {
+ enum pm_qos_flags_status stat;
+
+ stat = dev_pm_qos_flags(dev, PM_QOS_FLAG_NO_POWER_OFF);
+ if (stat == PM_QOS_FLAGS_ALL)
+ d_max_in = ACPI_STATE_D3_HOT;
+ }
if (!handle || acpi_bus_get_device(handle, &adev)) {
dev_dbg(dev, "ACPI handle without context in %s!\n", __func__);
return -ENODEV;
}
- return acpi_device_power_state(dev, adev, acpi_target_system_state(),
- d_max_in, d_min_p);
+ ret = acpi_dev_pm_get_state(dev, adev, acpi_target_system_state(),
+ &d_min, &d_max);
+ if (ret)
+ return ret;
+
+ if (d_max_in < d_min)
+ return -EINVAL;
+
+ if (d_max > d_max_in) {
+ for (d_max = d_max_in; d_max > d_min; d_max--) {
+ if (adev->power.states[d_max].flags.valid)
+ break;
+ }
+ }
+
+ if (d_min_p)
+ *d_min_p = d_min;
+
+ return d_max;
}
EXPORT_SYMBOL(acpi_pm_device_sleep_state);
@@ -672,17 +728,13 @@ struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
static int acpi_dev_pm_low_power(struct device *dev, struct acpi_device *adev,
u32 system_state)
{
- int power_state;
+ int ret, state;
if (!acpi_device_power_manageable(adev))
return 0;
- power_state = acpi_device_power_state(dev, adev, system_state,
- ACPI_STATE_D3, NULL);
- if (power_state < ACPI_STATE_D0 || power_state > ACPI_STATE_D3)
- return -EIO;
-
- return acpi_device_set_power(adev, power_state);
+ ret = acpi_dev_pm_get_state(dev, adev, system_state, NULL, &state);
+ return ret ? ret : acpi_device_set_power(adev, state);
}
/**
@@ -885,7 +937,6 @@ static struct dev_pm_domain acpi_general_pm_domain = {
#ifdef CONFIG_PM_RUNTIME
.runtime_suspend = acpi_subsys_runtime_suspend,
.runtime_resume = acpi_subsys_runtime_resume,
- .runtime_idle = pm_generic_runtime_idle,
#endif
#ifdef CONFIG_PM_SLEEP
.prepare = acpi_subsys_prepare,
@@ -1023,3 +1074,4 @@ void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev)
mutex_unlock(&adev->physical_node_lock);
}
EXPORT_SYMBOL_GPL(acpi_dev_pm_remove_dependent);
+#endif /* CONFIG_PM */
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 4fdea381ef2..14de9f46972 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -66,20 +66,21 @@ struct dock_station {
spinlock_t dd_lock;
struct mutex hp_lock;
struct list_head dependent_devices;
- struct list_head hotplug_devices;
struct list_head sibling;
struct platform_device *dock_device;
};
static LIST_HEAD(dock_stations);
static int dock_station_count;
+static DEFINE_MUTEX(hotplug_lock);
struct dock_dependent_device {
struct list_head list;
- struct list_head hotplug_list;
acpi_handle handle;
- const struct acpi_dock_ops *ops;
- void *context;
+ const struct acpi_dock_ops *hp_ops;
+ void *hp_context;
+ unsigned int hp_refcount;
+ void (*hp_release)(void *);
};
#define DOCK_DOCKING 0x00000001
@@ -111,7 +112,6 @@ add_dock_dependent_device(struct dock_station *ds, acpi_handle handle)
dd->handle = handle;
INIT_LIST_HEAD(&dd->list);
- INIT_LIST_HEAD(&dd->hotplug_list);
spin_lock(&ds->dd_lock);
list_add_tail(&dd->list, &ds->dependent_devices);
@@ -121,35 +121,90 @@ add_dock_dependent_device(struct dock_station *ds, acpi_handle handle)
}
/**
- * dock_add_hotplug_device - associate a hotplug handler with the dock station
- * @ds: The dock station
- * @dd: The dependent device struct
- *
- * Add the dependent device to the dock's hotplug device list
+ * dock_init_hotplug - Initialize a hotplug device on a docking station.
+ * @dd: Dock-dependent device.
+ * @ops: Dock operations to attach to the dependent device.
+ * @context: Data to pass to the @ops callbacks and @release.
+ * @init: Optional initialization routine to run after setting up context.
+ * @release: Optional release routine to run on removal.
*/
-static void
-dock_add_hotplug_device(struct dock_station *ds,
- struct dock_dependent_device *dd)
+static int dock_init_hotplug(struct dock_dependent_device *dd,
+ const struct acpi_dock_ops *ops, void *context,
+ void (*init)(void *), void (*release)(void *))
{
- mutex_lock(&ds->hp_lock);
- list_add_tail(&dd->hotplug_list, &ds->hotplug_devices);
- mutex_unlock(&ds->hp_lock);
+ int ret = 0;
+
+ mutex_lock(&hotplug_lock);
+
+ if (dd->hp_context) {
+ ret = -EEXIST;
+ } else {
+ dd->hp_refcount = 1;
+ dd->hp_ops = ops;
+ dd->hp_context = context;
+ dd->hp_release = release;
+ }
+
+ if (!WARN_ON(ret) && init)
+ init(context);
+
+ mutex_unlock(&hotplug_lock);
+ return ret;
}
/**
- * dock_del_hotplug_device - remove a hotplug handler from the dock station
- * @ds: The dock station
- * @dd: the dependent device struct
+ * dock_release_hotplug - Decrement hotplug reference counter of dock device.
+ * @dd: Dock-dependent device.
*
- * Delete the dependent device from the dock's hotplug device list
+ * Decrement the reference counter of @dd and if 0, detach its hotplug
+ * operations from it, reset its context pointer and run the optional release
+ * routine if present.
*/
-static void
-dock_del_hotplug_device(struct dock_station *ds,
- struct dock_dependent_device *dd)
+static void dock_release_hotplug(struct dock_dependent_device *dd)
{
- mutex_lock(&ds->hp_lock);
- list_del(&dd->hotplug_list);
- mutex_unlock(&ds->hp_lock);
+ void (*release)(void *) = NULL;
+ void *context = NULL;
+
+ mutex_lock(&hotplug_lock);
+
+ if (dd->hp_context && !--dd->hp_refcount) {
+ dd->hp_ops = NULL;
+ context = dd->hp_context;
+ dd->hp_context = NULL;
+ release = dd->hp_release;
+ dd->hp_release = NULL;
+ }
+
+ if (release && context)
+ release(context);
+
+ mutex_unlock(&hotplug_lock);
+}
+
+static void dock_hotplug_event(struct dock_dependent_device *dd, u32 event,
+ bool uevent)
+{
+ acpi_notify_handler cb = NULL;
+ bool run = false;
+
+ mutex_lock(&hotplug_lock);
+
+ if (dd->hp_context) {
+ run = true;
+ dd->hp_refcount++;
+ if (dd->hp_ops)
+ cb = uevent ? dd->hp_ops->uevent : dd->hp_ops->handler;
+ }
+
+ mutex_unlock(&hotplug_lock);
+
+ if (!run)
+ return;
+
+ if (cb)
+ cb(dd->handle, event, dd->hp_context);
+
+ dock_release_hotplug(dd);
}
/**
@@ -360,9 +415,8 @@ static void hotplug_dock_devices(struct dock_station *ds, u32 event)
/*
* First call driver specific hotplug functions
*/
- list_for_each_entry(dd, &ds->hotplug_devices, hotplug_list)
- if (dd->ops && dd->ops->handler)
- dd->ops->handler(dd->handle, event, dd->context);
+ list_for_each_entry(dd, &ds->dependent_devices, list)
+ dock_hotplug_event(dd, event, false);
/*
* Now make sure that an acpi_device is created for each
@@ -398,9 +452,8 @@ static void dock_event(struct dock_station *ds, u32 event, int num)
if (num == DOCK_EVENT)
kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
- list_for_each_entry(dd, &ds->hotplug_devices, hotplug_list)
- if (dd->ops && dd->ops->uevent)
- dd->ops->uevent(dd->handle, event, dd->context);
+ list_for_each_entry(dd, &ds->dependent_devices, list)
+ dock_hotplug_event(dd, event, true);
if (num != DOCK_EVENT)
kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
@@ -570,19 +623,24 @@ EXPORT_SYMBOL_GPL(unregister_dock_notifier);
* @handle: the handle of the device
* @ops: handlers to call after docking
* @context: device specific data
+ * @init: Optional initialization routine to run after registration
+ * @release: Optional release routine to run on unregistration
*
* If a driver would like to perform a hotplug operation after a dock
* event, they can register an acpi_notifiy_handler to be called by
* the dock driver after _DCK is executed.
*/
-int
-register_hotplug_dock_device(acpi_handle handle, const struct acpi_dock_ops *ops,
- void *context)
+int register_hotplug_dock_device(acpi_handle handle,
+ const struct acpi_dock_ops *ops, void *context,
+ void (*init)(void *), void (*release)(void *))
{
struct dock_dependent_device *dd;
struct dock_station *dock_station;
int ret = -EINVAL;
+ if (WARN_ON(!context))
+ return -EINVAL;
+
if (!dock_station_count)
return -ENODEV;
@@ -597,12 +655,8 @@ register_hotplug_dock_device(acpi_handle handle, const struct acpi_dock_ops *ops
* ops
*/
dd = find_dock_dependent_device(dock_station, handle);
- if (dd) {
- dd->ops = ops;
- dd->context = context;
- dock_add_hotplug_device(dock_station, dd);
+ if (dd && !dock_init_hotplug(dd, ops, context, init, release))
ret = 0;
- }
}
return ret;
@@ -624,7 +678,7 @@ void unregister_hotplug_dock_device(acpi_handle handle)
list_for_each_entry(dock_station, &dock_stations, sibling) {
dd = find_dock_dependent_device(dock_station, handle);
if (dd)
- dock_del_hotplug_device(dock_station, dd);
+ dock_release_hotplug(dd);
}
}
EXPORT_SYMBOL_GPL(unregister_hotplug_dock_device);
@@ -868,8 +922,10 @@ static ssize_t write_undock(struct device *dev, struct device_attribute *attr,
if (!count)
return -EINVAL;
+ acpi_scan_lock_acquire();
begin_undock(dock_station);
ret = handle_eject_request(dock_station, ACPI_NOTIFY_EJECT_REQUEST);
+ acpi_scan_lock_release();
return ret ? ret: count;
}
static DEVICE_ATTR(undock, S_IWUSR, NULL, write_undock);
@@ -951,7 +1007,6 @@ static int __init dock_add(acpi_handle handle)
mutex_init(&dock_station->hp_lock);
spin_lock_init(&dock_station->dd_lock);
INIT_LIST_HEAD(&dock_station->sibling);
- INIT_LIST_HEAD(&dock_station->hotplug_devices);
ATOMIC_INIT_NOTIFIER_HEAD(&dock_notifier_list);
INIT_LIST_HEAD(&dock_station->dependent_devices);
@@ -992,30 +1047,6 @@ err_unregister:
}
/**
- * dock_remove - free up resources related to the dock station
- */
-static int dock_remove(struct dock_station *ds)
-{
- struct dock_dependent_device *dd, *tmp;
- struct platform_device *dock_device = ds->dock_device;
-
- if (!dock_station_count)
- return 0;
-
- /* remove dependent devices */
- list_for_each_entry_safe(dd, tmp, &ds->dependent_devices, list)
- kfree(dd);
-
- list_del(&ds->sibling);
-
- /* cleanup sysfs */
- sysfs_remove_group(&dock_device->dev.kobj, &dock_attribute_group);
- platform_device_unregister(dock_device);
-
- return 0;
-}
-
-/**
* find_dock_and_bay - look for dock stations and bays
* @handle: acpi handle of a device
* @lvl: unused
@@ -1033,7 +1064,7 @@ find_dock_and_bay(acpi_handle handle, u32 lvl, void *context, void **rv)
return AE_OK;
}
-static int __init dock_init(void)
+int __init acpi_dock_init(void)
{
if (acpi_disabled)
return 0;
@@ -1052,19 +1083,3 @@ static int __init dock_init(void)
ACPI_DOCK_DRIVER_DESCRIPTION, dock_station_count);
return 0;
}
-
-static void __exit dock_exit(void)
-{
- struct dock_station *tmp, *dock_station;
-
- unregister_acpi_bus_notifier(&dock_acpi_notifier);
- list_for_each_entry_safe(dock_station, tmp, &dock_stations, sibling)
- dock_remove(dock_station);
-}
-
-/*
- * Must be called before drivers of devices in dock, otherwise we can't know
- * which devices are in a dock
- */
-subsys_initcall(dock_init);
-module_exit(dock_exit);
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index d45b2871d33..80403c1a89f 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -223,7 +223,7 @@ static int ec_check_sci_sync(struct acpi_ec *ec, u8 state)
static int ec_poll(struct acpi_ec *ec)
{
unsigned long flags;
- int repeat = 2; /* number of command restarts */
+ int repeat = 5; /* number of command restarts */
while (repeat--) {
unsigned long delay = jiffies +
msecs_to_jiffies(ec_delay);
@@ -241,8 +241,6 @@ static int ec_poll(struct acpi_ec *ec)
}
advance_transaction(ec, acpi_ec_read_status(ec));
} while (time_before(jiffies, delay));
- if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
- break;
pr_debug(PREFIX "controller reset, restart transaction\n");
spin_lock_irqsave(&ec->lock, flags);
start_transaction(ec);
@@ -985,6 +983,10 @@ static struct dmi_system_id __initdata ec_dmi_table[] = {
ec_enlarge_storm_threshold, "CLEVO hardware", {
DMI_MATCH(DMI_SYS_VENDOR, "CLEVO Co."),
DMI_MATCH(DMI_PRODUCT_NAME, "M720T/M730T"),}, NULL},
+ {
+ ec_skip_dsdt_scan, "HP Folio 13", {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13"),}, NULL},
{},
};
diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c
index 7586544fddb..4e7b798900f 100644
--- a/drivers/acpi/ec_sys.c
+++ b/drivers/acpi/ec_sys.c
@@ -12,6 +12,7 @@
#include <linux/acpi.h>
#include <linux/debugfs.h>
#include <linux/module.h>
+#include <linux/uaccess.h>
#include "internal.h"
MODULE_AUTHOR("Thomas Renninger <trenn@suse.de>");
@@ -34,7 +35,6 @@ static ssize_t acpi_ec_read_io(struct file *f, char __user *buf,
* struct acpi_ec *ec = ((struct seq_file *)f->private_data)->private;
*/
unsigned int size = EC_SPACE_SIZE;
- u8 *data = (u8 *) buf;
loff_t init_off = *off;
int err = 0;
@@ -47,9 +47,15 @@ static ssize_t acpi_ec_read_io(struct file *f, char __user *buf,
size = count;
while (size) {
- err = ec_read(*off, &data[*off - init_off]);
+ u8 byte_read;
+ err = ec_read(*off, &byte_read);
if (err)
return err;
+ if (put_user(byte_read, buf + *off - init_off)) {
+ if (*off - init_off)
+ return *off - init_off; /* partial read */
+ return -EFAULT;
+ }
*off += 1;
size--;
}
@@ -65,7 +71,6 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf,
unsigned int size = count;
loff_t init_off = *off;
- u8 *data = (u8 *) buf;
int err = 0;
if (*off >= EC_SPACE_SIZE)
@@ -76,7 +81,12 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf,
}
while (size) {
- u8 byte_write = data[*off - init_off];
+ u8 byte_write;
+ if (get_user(byte_write, buf + *off - init_off)) {
+ if (*off - init_off)
+ return *off - init_off; /* partial write */
+ return -EFAULT;
+ }
err = ec_write(*off, byte_write);
if (err)
return err;
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 40a84cc6740..f68095756fb 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -81,13 +81,15 @@ static struct acpi_bus_type *acpi_get_bus_type(struct device *dev)
static acpi_status do_acpi_find_child(acpi_handle handle, u32 lvl_not_used,
void *addr_p, void **ret_p)
{
- unsigned long long addr;
+ unsigned long long addr, sta;
acpi_status status;
status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &addr);
if (ACPI_SUCCESS(status) && addr == *((u64 *)addr_p)) {
*ret_p = handle;
- return AE_CTRL_TERMINATE;
+ status = acpi_bus_get_status_handle(handle, &sta);
+ if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_ENABLED))
+ return AE_CTRL_TERMINATE;
}
return AE_OK;
}
@@ -105,7 +107,7 @@ acpi_handle acpi_get_child(acpi_handle parent, u64 address)
}
EXPORT_SYMBOL(acpi_get_child);
-static int acpi_bind_one(struct device *dev, acpi_handle handle)
+int acpi_bind_one(struct device *dev, acpi_handle handle)
{
struct acpi_device *acpi_dev;
acpi_status status;
@@ -188,8 +190,9 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle)
kfree(physical_node);
goto err;
}
+EXPORT_SYMBOL_GPL(acpi_bind_one);
-static int acpi_unbind_one(struct device *dev)
+int acpi_unbind_one(struct device *dev)
{
struct acpi_device_physical_node *entry;
struct acpi_device *acpi_dev;
@@ -238,6 +241,7 @@ err:
dev_err(dev, "Oops, 'acpi_handle' corrupt\n");
return -EINVAL;
}
+EXPORT_SYMBOL_GPL(acpi_unbind_one);
static int acpi_platform_notify(struct device *dev)
{
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 6f1afd9118c..3a50a34fe17 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -33,19 +33,31 @@ static inline void acpi_pci_slot_init(void) { }
void acpi_pci_root_init(void);
void acpi_pci_link_init(void);
void acpi_pci_root_hp_init(void);
+void acpi_processor_init(void);
void acpi_platform_init(void);
int acpi_sysfs_init(void);
-void acpi_csrt_init(void);
#ifdef CONFIG_ACPI_CONTAINER
void acpi_container_init(void);
#else
static inline void acpi_container_init(void) {}
#endif
+#ifdef CONFIG_ACPI_DOCK
+void acpi_dock_init(void);
+#else
+static inline void acpi_dock_init(void) {}
+#endif
#ifdef CONFIG_ACPI_HOTPLUG_MEMORY
void acpi_memory_hotplug_init(void);
#else
static inline void acpi_memory_hotplug_init(void) {}
#endif
+#ifdef CONFIG_X86
+void acpi_cmos_rtc_init(void);
+#else
+static inline void acpi_cmos_rtc_init(void) {}
+#endif
+
+extern bool acpi_force_hot_remove;
void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
const char *name);
@@ -77,6 +89,8 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
int type, unsigned long long sta);
void acpi_device_add_finalize(struct acpi_device *device);
void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
+int acpi_bind_one(struct device *dev, acpi_handle handle);
+int acpi_unbind_one(struct device *dev);
/* --------------------------------------------------------------------------
Power Resource
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index e72186340fe..6ab2c350552 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -835,19 +835,9 @@ void acpi_os_stall(u32 us)
*/
u64 acpi_os_get_timer(void)
{
- static u64 t;
-
-#ifdef CONFIG_HPET
- /* TBD: use HPET if available */
-#endif
-
-#ifdef CONFIG_X86_PM_TIMER
- /* TBD: default to PM timer if HPET was not available */
-#endif
- if (!t)
- printk(KERN_ERR PREFIX "acpi_os_get_timer() TBD\n");
-
- return ++t;
+ u64 time_ns = ktime_to_ns(ktime_get());
+ do_div(time_ns, 100);
+ return time_ns;
}
acpi_status acpi_os_read_port(acpi_io_address port, u32 * value, u32 width)
@@ -1715,6 +1705,17 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object)
}
#endif
+static int __init acpi_no_auto_ssdt_setup(char *s)
+{
+ printk(KERN_NOTICE PREFIX "SSDT auto-load disabled\n");
+
+ acpi_gbl_disable_ssdt_table_load = TRUE;
+
+ return 1;
+}
+
+__setup("acpi_no_auto_ssdt", acpi_no_auto_ssdt_setup);
+
acpi_status __init acpi_os_initialize(void)
{
acpi_os_map_generic_address(&acpi_gbl_FADT.xpm1a_event_block);
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 122b4dc7b0f..5917839321b 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -622,7 +622,9 @@ static void _handle_hotplug_event_root(struct work_struct *work)
/* bus enumerate */
acpi_handle_printk(KERN_DEBUG, handle,
"Bus check notify on %s\n", __func__);
- if (!root)
+ if (root)
+ acpiphp_check_host_bridge(handle);
+ else
handle_root_bridge_insertion(handle);
break;
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index f962047c6c8..288bb270f8e 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -885,6 +885,7 @@ int acpi_add_power_resource(acpi_handle handle)
ACPI_STA_DEFAULT);
mutex_init(&resource->resource_lock);
INIT_LIST_HEAD(&resource->dependent);
+ INIT_LIST_HEAD(&resource->list_node);
resource->name = device->pnp.bus_id;
strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index bec717ffd25..823be116619 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -1,11 +1,13 @@
/*
- * acpi_processor.c - ACPI Processor Driver ($Revision: 71 $)
+ * processor_driver.c - ACPI Processor Driver
*
* Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
* Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
* Copyright (C) 2004 Dominik Brodowski <linux@brodo.de>
* Copyright (C) 2004 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
* - Added processor hotplug support
+ * Copyright (C) 2013, Intel Corporation
+ * Rafael J. Wysocki <rafael.j.wysocki@intel.com>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
@@ -24,55 +26,26 @@
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * TBD:
- * 1. Make # power states dynamic.
- * 2. Support duty_cycle values that span bit 4.
- * 3. Optimize by having scheduler determine business instead of
- * having us try to calculate it here.
- * 4. Need C1 timing -- must modify kernel (IRQ handler) to get this.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/pm.h>
#include <linux/cpufreq.h>
#include <linux/cpu.h>
-#include <linux/dmi.h>
-#include <linux/moduleparam.h>
#include <linux/cpuidle.h>
#include <linux/slab.h>
#include <linux/acpi.h>
-#include <linux/memory_hotplug.h>
-
-#include <asm/io.h>
-#include <asm/cpu.h>
-#include <asm/delay.h>
-#include <asm/uaccess.h>
-#include <asm/processor.h>
-#include <asm/smp.h>
-#include <asm/acpi.h>
-
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+
#include <acpi/processor.h>
+#include "internal.h"
+
#define PREFIX "ACPI: "
-#define ACPI_PROCESSOR_CLASS "processor"
-#define ACPI_PROCESSOR_DEVICE_NAME "Processor"
-#define ACPI_PROCESSOR_FILE_INFO "info"
-#define ACPI_PROCESSOR_FILE_THROTTLING "throttling"
-#define ACPI_PROCESSOR_FILE_LIMIT "limit"
#define ACPI_PROCESSOR_NOTIFY_PERFORMANCE 0x80
#define ACPI_PROCESSOR_NOTIFY_POWER 0x81
#define ACPI_PROCESSOR_NOTIFY_THROTTLING 0x82
-#define ACPI_PROCESSOR_DEVICE_HID "ACPI0007"
-
-#define ACPI_PROCESSOR_LIMIT_USER 0
-#define ACPI_PROCESSOR_LIMIT_THERMAL 1
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_driver");
@@ -81,12 +54,8 @@ MODULE_AUTHOR("Paul Diefenbaugh");
MODULE_DESCRIPTION("ACPI Processor Driver");
MODULE_LICENSE("GPL");
-static int acpi_processor_add(struct acpi_device *device);
-static int acpi_processor_remove(struct acpi_device *device);
-static void acpi_processor_notify(struct acpi_device *device, u32 event);
-static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr);
-static int acpi_processor_handle_eject(struct acpi_processor *pr);
-static int acpi_processor_start(struct acpi_processor *pr);
+static int acpi_processor_start(struct device *dev);
+static int acpi_processor_stop(struct device *dev);
static const struct acpi_device_id processor_device_ids[] = {
{ACPI_PROCESSOR_OBJECT_HID, 0},
@@ -95,299 +64,24 @@ static const struct acpi_device_id processor_device_ids[] = {
};
MODULE_DEVICE_TABLE(acpi, processor_device_ids);
-static SIMPLE_DEV_PM_OPS(acpi_processor_pm,
- acpi_processor_suspend, acpi_processor_resume);
-
-static struct acpi_driver acpi_processor_driver = {
+static struct device_driver acpi_processor_driver = {
.name = "processor",
- .class = ACPI_PROCESSOR_CLASS,
- .ids = processor_device_ids,
- .ops = {
- .add = acpi_processor_add,
- .remove = acpi_processor_remove,
- .notify = acpi_processor_notify,
- },
- .drv.pm = &acpi_processor_pm,
+ .bus = &cpu_subsys,
+ .acpi_match_table = processor_device_ids,
+ .probe = acpi_processor_start,
+ .remove = acpi_processor_stop,
};
-#define INSTALL_NOTIFY_HANDLER 1
-#define UNINSTALL_NOTIFY_HANDLER 2
-
-DEFINE_PER_CPU(struct acpi_processor *, processors);
-EXPORT_PER_CPU_SYMBOL(processors);
-
-struct acpi_processor_errata errata __read_mostly;
-
-/* --------------------------------------------------------------------------
- Errata Handling
- -------------------------------------------------------------------------- */
-
-static int acpi_processor_errata_piix4(struct pci_dev *dev)
+static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
{
- u8 value1 = 0;
- u8 value2 = 0;
-
-
- if (!dev)
- return -EINVAL;
-
- /*
- * Note that 'dev' references the PIIX4 ACPI Controller.
- */
-
- switch (dev->revision) {
- case 0:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 A-step\n"));
- break;
- case 1:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 B-step\n"));
- break;
- case 2:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4E\n"));
- break;
- case 3:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4M\n"));
- break;
- default:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found unknown PIIX4\n"));
- break;
- }
-
- switch (dev->revision) {
-
- case 0: /* PIIX4 A-step */
- case 1: /* PIIX4 B-step */
- /*
- * See specification changes #13 ("Manual Throttle Duty Cycle")
- * and #14 ("Enabling and Disabling Manual Throttle"), plus
- * erratum #5 ("STPCLK# Deassertion Time") from the January
- * 2002 PIIX4 specification update. Applies to only older
- * PIIX4 models.
- */
- errata.piix4.throttle = 1;
-
- case 2: /* PIIX4E */
- case 3: /* PIIX4M */
- /*
- * See erratum #18 ("C3 Power State/BMIDE and Type-F DMA
- * Livelock") from the January 2002 PIIX4 specification update.
- * Applies to all PIIX4 models.
- */
-
- /*
- * BM-IDE
- * ------
- * Find the PIIX4 IDE Controller and get the Bus Master IDE
- * Status register address. We'll use this later to read
- * each IDE controller's DMA status to make sure we catch all
- * DMA activity.
- */
- dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_82371AB,
- PCI_ANY_ID, PCI_ANY_ID, NULL);
- if (dev) {
- errata.piix4.bmisx = pci_resource_start(dev, 4);
- pci_dev_put(dev);
- }
-
- /*
- * Type-F DMA
- * ----------
- * Find the PIIX4 ISA Controller and read the Motherboard
- * DMA controller's status to see if Type-F (Fast) DMA mode
- * is enabled (bit 7) on either channel. Note that we'll
- * disable C3 support if this is enabled, as some legacy
- * devices won't operate well if fast DMA is disabled.
- */
- dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_82371AB_0,
- PCI_ANY_ID, PCI_ANY_ID, NULL);
- if (dev) {
- pci_read_config_byte(dev, 0x76, &value1);
- pci_read_config_byte(dev, 0x77, &value2);
- if ((value1 & 0x80) || (value2 & 0x80))
- errata.piix4.fdma = 1;
- pci_dev_put(dev);
- }
-
- break;
- }
-
- if (errata.piix4.bmisx)
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Bus master activity detection (BM-IDE) erratum enabled\n"));
- if (errata.piix4.fdma)
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Type-F DMA livelock erratum (C3 disabled)\n"));
-
- return 0;
-}
-
-static int acpi_processor_errata(struct acpi_processor *pr)
-{
- int result = 0;
- struct pci_dev *dev = NULL;
-
-
- if (!pr)
- return -EINVAL;
-
- /*
- * PIIX4
- */
- dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_82371AB_3, PCI_ANY_ID,
- PCI_ANY_ID, NULL);
- if (dev) {
- result = acpi_processor_errata_piix4(dev);
- pci_dev_put(dev);
- }
-
- return result;
-}
-
-/* --------------------------------------------------------------------------
- Driver Interface
- -------------------------------------------------------------------------- */
-
-static int acpi_processor_get_info(struct acpi_device *device)
-{
- acpi_status status = 0;
- union acpi_object object = { 0 };
- struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
+ struct acpi_device *device = data;
struct acpi_processor *pr;
- int cpu_index, device_declaration = 0;
- static int cpu0_initialized;
-
- pr = acpi_driver_data(device);
- if (!pr)
- return -EINVAL;
-
- if (num_online_cpus() > 1)
- errata.smp = TRUE;
-
- acpi_processor_errata(pr);
-
- /*
- * Check to see if we have bus mastering arbitration control. This
- * is required for proper C3 usage (to maintain cache coherency).
- */
- if (acpi_gbl_FADT.pm2_control_block && acpi_gbl_FADT.pm2_control_length) {
- pr->flags.bm_control = 1;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Bus mastering arbitration control present\n"));
- } else
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "No bus mastering arbitration control\n"));
-
- if (!strcmp(acpi_device_hid(device), ACPI_PROCESSOR_OBJECT_HID)) {
- /* Declared with "Processor" statement; match ProcessorID */
- status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer);
- if (ACPI_FAILURE(status)) {
- dev_err(&device->dev,
- "Failed to evaluate processor object (0x%x)\n",
- status);
- return -ENODEV;
- }
-
- /*
- * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP.
- * >>> 'acpi_get_processor_id(acpi_id, &id)' in
- * arch/xxx/acpi.c
- */
- pr->acpi_id = object.processor.proc_id;
- } else {
- /*
- * Declared with "Device" statement; match _UID.
- * Note that we don't handle string _UIDs yet.
- */
- unsigned long long value;
- status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID,
- NULL, &value);
- if (ACPI_FAILURE(status)) {
- dev_err(&device->dev,
- "Failed to evaluate processor _UID (0x%x)\n",
- status);
- return -ENODEV;
- }
- device_declaration = 1;
- pr->acpi_id = value;
- }
- cpu_index = acpi_get_cpuid(pr->handle, device_declaration, pr->acpi_id);
-
- /* Handle UP system running SMP kernel, with no LAPIC in MADT */
- if (!cpu0_initialized && (cpu_index == -1) &&
- (num_online_cpus() == 1)) {
- cpu_index = 0;
- }
-
- cpu0_initialized = 1;
-
- pr->id = cpu_index;
-
- /*
- * Extra Processor objects may be enumerated on MP systems with
- * less than the max # of CPUs. They should be ignored _iff
- * they are physically not present.
- */
- if (pr->id == -1) {
- if (ACPI_FAILURE(acpi_processor_hotadd_init(pr)))
- return -ENODEV;
- }
- /*
- * On some boxes several processors use the same processor bus id.
- * But they are located in different scope. For example:
- * \_SB.SCK0.CPU0
- * \_SB.SCK1.CPU0
- * Rename the processor device bus id. And the new bus id will be
- * generated as the following format:
- * CPU+CPU ID.
- */
- sprintf(acpi_device_bid(device), "CPU%X", pr->id);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id,
- pr->acpi_id));
-
- if (!object.processor.pblk_address)
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
- else if (object.processor.pblk_length != 6)
- dev_err(&device->dev, "Invalid PBLK length [%d]\n",
- object.processor.pblk_length);
- else {
- pr->throttling.address = object.processor.pblk_address;
- pr->throttling.duty_offset = acpi_gbl_FADT.duty_offset;
- pr->throttling.duty_width = acpi_gbl_FADT.duty_width;
-
- pr->pblk = object.processor.pblk_address;
-
- /*
- * We don't care about error returns - we just try to mark
- * these reserved so that nobody else is confused into thinking
- * that this region might be unused..
- *
- * (In particular, allocating the IO range for Cardbus)
- */
- request_region(pr->throttling.address, 6, "ACPI CPU throttle");
- }
-
- /*
- * If ACPI describes a slot number for this CPU, we can use it
- * ensure we get the right value in the "physical id" field
- * of /proc/cpuinfo
- */
- status = acpi_evaluate_object(pr->handle, "_SUN", NULL, &buffer);
- if (ACPI_SUCCESS(status))
- arch_fix_phys_package_id(pr->id, object.integer.value);
-
- return 0;
-}
-
-static DEFINE_PER_CPU(void *, processor_device_array);
-
-static void acpi_processor_notify(struct acpi_device *device, u32 event)
-{
- struct acpi_processor *pr = acpi_driver_data(device);
int saved;
+ if (device->handle != handle)
+ return;
+
+ pr = acpi_driver_data(device);
if (!pr)
return;
@@ -424,55 +118,62 @@ static void acpi_processor_notify(struct acpi_device *device, u32 event)
return;
}
-static int acpi_cpu_soft_notify(struct notifier_block *nfb,
- unsigned long action, void *hcpu)
+static __cpuinit int __acpi_processor_start(struct acpi_device *device);
+
+static int __cpuinit acpi_cpu_soft_notify(struct notifier_block *nfb,
+ unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
struct acpi_processor *pr = per_cpu(processors, cpu);
+ struct acpi_device *device;
+
+ if (!pr || acpi_bus_get_device(pr->handle, &device))
+ return NOTIFY_DONE;
- if (action == CPU_ONLINE && pr) {
- /* CPU got physically hotplugged and onlined the first time:
- * Initialize missing things
+ if (action == CPU_ONLINE) {
+ /*
+ * CPU got physically hotplugged and onlined for the first time:
+ * Initialize missing things.
*/
if (pr->flags.need_hotplug_init) {
+ int ret;
+
pr_info("Will online and init hotplugged CPU: %d\n",
pr->id);
- WARN(acpi_processor_start(pr), "Failed to start CPU:"
- " %d\n", pr->id);
pr->flags.need_hotplug_init = 0;
- /* Normal CPU soft online event */
+ ret = __acpi_processor_start(device);
+ WARN(ret, "Failed to start CPU: %d\n", pr->id);
} else {
+ /* Normal CPU soft online event. */
acpi_processor_ppc_has_changed(pr, 0);
acpi_processor_hotplug(pr);
acpi_processor_reevaluate_tstate(pr, action);
acpi_processor_tstate_has_changed(pr);
}
- }
- if (action == CPU_DEAD && pr) {
- /* invalidate the flag.throttling after one CPU is offline */
+ } else if (action == CPU_DEAD) {
+ /* Invalidate flag.throttling after the CPU is offline. */
acpi_processor_reevaluate_tstate(pr, action);
}
return NOTIFY_OK;
}
-static struct notifier_block acpi_cpu_notifier =
+static struct notifier_block __refdata acpi_cpu_notifier =
{
.notifier_call = acpi_cpu_soft_notify,
};
-/*
- * acpi_processor_start() is called by the cpu_hotplug_notifier func:
- * acpi_cpu_soft_notify(). Getting it __cpuinit{data} is difficult, the
- * root cause seem to be that acpi_processor_uninstall_hotplug_notify()
- * is in the module_exit (__exit) func. Allowing acpi_processor_start()
- * to not be in __cpuinit section, but being called from __cpuinit funcs
- * via __ref looks like the right thing to do here.
- */
-static __ref int acpi_processor_start(struct acpi_processor *pr)
+static __cpuinit int __acpi_processor_start(struct acpi_device *device)
{
- struct acpi_device *device = per_cpu(processor_device_array, pr->id);
+ struct acpi_processor *pr = acpi_driver_data(device);
+ acpi_status status;
int result = 0;
+ if (!pr)
+ return -ENODEV;
+
+ if (pr->flags.need_hotplug_init)
+ return 0;
+
#ifdef CONFIG_CPU_FREQ
acpi_processor_ppc_has_changed(pr, 0);
acpi_processor_load_module(pr);
@@ -510,458 +211,95 @@ static __ref int acpi_processor_start(struct acpi_processor *pr)
goto err_remove_sysfs_thermal;
}
- return 0;
+ status = acpi_install_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
+ acpi_processor_notify, device);
+ if (ACPI_SUCCESS(status))
+ return 0;
-err_remove_sysfs_thermal:
+ sysfs_remove_link(&pr->cdev->device.kobj, "device");
+ err_remove_sysfs_thermal:
sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
-err_thermal_unregister:
+ err_thermal_unregister:
thermal_cooling_device_unregister(pr->cdev);
-err_power_exit:
+ err_power_exit:
acpi_processor_power_exit(pr);
-
return result;
}
-/*
- * Do not put anything in here which needs the core to be online.
- * For example MSR access or setting up things which check for cpuinfo_x86
- * (cpu_data(cpu)) values, like CPU feature flags, family, model, etc.
- * Such things have to be put in and set up above in acpi_processor_start()
- */
-static int __cpuinit acpi_processor_add(struct acpi_device *device)
+static int __cpuinit acpi_processor_start(struct device *dev)
{
- struct acpi_processor *pr = NULL;
- int result = 0;
- struct device *dev;
-
- pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
- if (!pr)
- return -ENOMEM;
-
- if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) {
- result = -ENOMEM;
- goto err_free_pr;
- }
-
- pr->handle = device->handle;
- strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME);
- strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
- device->driver_data = pr;
-
- result = acpi_processor_get_info(device);
- if (result) {
- /* Processor is physically not present */
- return 0;
- }
-
-#ifdef CONFIG_SMP
- if (pr->id >= setup_max_cpus && pr->id != 0)
- return 0;
-#endif
-
- BUG_ON(pr->id >= nr_cpu_ids);
-
- /*
- * Buggy BIOS check
- * ACPI id of processors can be reported wrongly by the BIOS.
- * Don't trust it blindly
- */
- if (per_cpu(processor_device_array, pr->id) != NULL &&
- per_cpu(processor_device_array, pr->id) != device) {
- dev_warn(&device->dev,
- "BIOS reported wrong ACPI id %d for the processor\n",
- pr->id);
- result = -ENODEV;
- goto err_free_cpumask;
- }
- per_cpu(processor_device_array, pr->id) = device;
-
- per_cpu(processors, pr->id) = pr;
+ struct acpi_device *device;
- dev = get_cpu_device(pr->id);
- if (sysfs_create_link(&device->dev.kobj, &dev->kobj, "sysdev")) {
- result = -EFAULT;
- goto err_clear_processor;
- }
-
- /*
- * Do not start hotplugged CPUs now, but when they
- * are onlined the first time
- */
- if (pr->flags.need_hotplug_init)
- return 0;
-
- result = acpi_processor_start(pr);
- if (result)
- goto err_remove_sysfs;
+ if (acpi_bus_get_device(ACPI_HANDLE(dev), &device))
+ return -ENODEV;
- return 0;
-
-err_remove_sysfs:
- sysfs_remove_link(&device->dev.kobj, "sysdev");
-err_clear_processor:
- /*
- * processor_device_array is not cleared to allow checks for buggy BIOS
- */
- per_cpu(processors, pr->id) = NULL;
-err_free_cpumask:
- free_cpumask_var(pr->throttling.shared_cpu_map);
-err_free_pr:
- kfree(pr);
- return result;
+ return __acpi_processor_start(device);
}
-static int acpi_processor_remove(struct acpi_device *device)
+static int acpi_processor_stop(struct device *dev)
{
- struct acpi_processor *pr = NULL;
+ struct acpi_device *device;
+ struct acpi_processor *pr;
+ if (acpi_bus_get_device(ACPI_HANDLE(dev), &device))
+ return 0;
- if (!device || !acpi_driver_data(device))
- return -EINVAL;
+ acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
+ acpi_processor_notify);
pr = acpi_driver_data(device);
-
- if (pr->id >= nr_cpu_ids)
- goto free;
-
- if (device->removal_type == ACPI_BUS_REMOVAL_EJECT) {
- if (acpi_processor_handle_eject(pr))
- return -EINVAL;
- }
+ if (!pr)
+ return 0;
acpi_processor_power_exit(pr);
- sysfs_remove_link(&device->dev.kobj, "sysdev");
-
if (pr->cdev) {
sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
sysfs_remove_link(&pr->cdev->device.kobj, "device");
thermal_cooling_device_unregister(pr->cdev);
pr->cdev = NULL;
}
-
- per_cpu(processors, pr->id) = NULL;
- per_cpu(processor_device_array, pr->id) = NULL;
- try_offline_node(cpu_to_node(pr->id));
-
-free:
- free_cpumask_var(pr->throttling.shared_cpu_map);
- kfree(pr);
-
- return 0;
-}
-
-#ifdef CONFIG_ACPI_HOTPLUG_CPU
-/****************************************************************************
- * Acpi processor hotplug support *
- ****************************************************************************/
-
-static int is_processor_present(acpi_handle handle)
-{
- acpi_status status;
- unsigned long long sta = 0;
-
-
- status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
-
- if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_PRESENT))
- return 1;
-
- /*
- * _STA is mandatory for a processor that supports hot plug
- */
- if (status == AE_NOT_FOUND)
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Processor does not support hot plug\n"));
- else
- ACPI_EXCEPTION((AE_INFO, status,
- "Processor Device is not present"));
return 0;
}
-static void acpi_processor_hotplug_notify(acpi_handle handle,
- u32 event, void *data)
-{
- struct acpi_device *device = NULL;
- struct acpi_eject_event *ej_event = NULL;
- u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */
- acpi_status status;
- int result;
-
- acpi_scan_lock_acquire();
-
- switch (event) {
- case ACPI_NOTIFY_BUS_CHECK:
- case ACPI_NOTIFY_DEVICE_CHECK:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Processor driver received %s event\n",
- (event == ACPI_NOTIFY_BUS_CHECK) ?
- "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK"));
-
- if (!is_processor_present(handle))
- break;
-
- if (!acpi_bus_get_device(handle, &device))
- break;
-
- result = acpi_bus_scan(handle);
- if (result) {
- acpi_handle_err(handle, "Unable to add the device\n");
- break;
- }
- result = acpi_bus_get_device(handle, &device);
- if (result) {
- acpi_handle_err(handle, "Missing device object\n");
- break;
- }
- ost_code = ACPI_OST_SC_SUCCESS;
- break;
-
- case ACPI_NOTIFY_EJECT_REQUEST:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "received ACPI_NOTIFY_EJECT_REQUEST\n"));
-
- if (acpi_bus_get_device(handle, &device)) {
- acpi_handle_err(handle,
- "Device don't exist, dropping EJECT\n");
- break;
- }
- if (!acpi_driver_data(device)) {
- acpi_handle_err(handle,
- "Driver data is NULL, dropping EJECT\n");
- break;
- }
-
- ej_event = kmalloc(sizeof(*ej_event), GFP_KERNEL);
- if (!ej_event) {
- acpi_handle_err(handle, "No memory, dropping EJECT\n");
- break;
- }
-
- get_device(&device->dev);
- ej_event->device = device;
- ej_event->event = ACPI_NOTIFY_EJECT_REQUEST;
- /* The eject is carried out asynchronously. */
- status = acpi_os_hotplug_execute(acpi_bus_hot_remove_device,
- ej_event);
- if (ACPI_FAILURE(status)) {
- put_device(&device->dev);
- kfree(ej_event);
- break;
- }
- goto out;
-
- default:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Unsupported event [0x%x]\n", event));
-
- /* non-hotplug event; possibly handled by other handler */
- goto out;
- }
-
- /* Inform firmware that the hotplug operation has completed */
- (void) acpi_evaluate_hotplug_ost(handle, event, ost_code, NULL);
-
- out:
- acpi_scan_lock_release();
-}
-
-static acpi_status is_processor_device(acpi_handle handle)
-{
- struct acpi_device_info *info;
- char *hid;
- acpi_status status;
-
- status = acpi_get_object_info(handle, &info);
- if (ACPI_FAILURE(status))
- return status;
-
- if (info->type == ACPI_TYPE_PROCESSOR) {
- kfree(info);
- return AE_OK; /* found a processor object */
- }
-
- if (!(info->valid & ACPI_VALID_HID)) {
- kfree(info);
- return AE_ERROR;
- }
-
- hid = info->hardware_id.string;
- if ((hid == NULL) || strcmp(hid, ACPI_PROCESSOR_DEVICE_HID)) {
- kfree(info);
- return AE_ERROR;
- }
-
- kfree(info);
- return AE_OK; /* found a processor device object */
-}
-
-static acpi_status
-processor_walk_namespace_cb(acpi_handle handle,
- u32 lvl, void *context, void **rv)
-{
- acpi_status status;
- int *action = context;
-
- status = is_processor_device(handle);
- if (ACPI_FAILURE(status))
- return AE_OK; /* not a processor; continue to walk */
-
- switch (*action) {
- case INSTALL_NOTIFY_HANDLER:
- acpi_install_notify_handler(handle,
- ACPI_SYSTEM_NOTIFY,
- acpi_processor_hotplug_notify,
- NULL);
- break;
- case UNINSTALL_NOTIFY_HANDLER:
- acpi_remove_notify_handler(handle,
- ACPI_SYSTEM_NOTIFY,
- acpi_processor_hotplug_notify);
- break;
- default:
- break;
- }
-
- /* found a processor; skip walking underneath */
- return AE_CTRL_DEPTH;
-}
-
-static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr)
-{
- acpi_handle handle = pr->handle;
-
- if (!is_processor_present(handle)) {
- return AE_ERROR;
- }
-
- if (acpi_map_lsapic(handle, &pr->id))
- return AE_ERROR;
-
- if (arch_register_cpu(pr->id)) {
- acpi_unmap_lsapic(pr->id);
- return AE_ERROR;
- }
-
- /* CPU got hot-plugged, but cpu_data is not initialized yet
- * Set flag to delay cpu_idle/throttling initialization
- * in:
- * acpi_processor_add()
- * acpi_processor_get_info()
- * and do it when the CPU gets online the first time
- * TBD: Cleanup above functions and try to do this more elegant.
- */
- pr_info("CPU %d got hotplugged\n", pr->id);
- pr->flags.need_hotplug_init = 1;
-
- return AE_OK;
-}
-
-static int acpi_processor_handle_eject(struct acpi_processor *pr)
-{
- if (cpu_online(pr->id))
- cpu_down(pr->id);
-
- get_online_cpus();
- /*
- * The cpu might become online again at this point. So we check whether
- * the cpu has been onlined or not. If the cpu became online, it means
- * that someone wants to use the cpu. So acpi_processor_handle_eject()
- * returns -EAGAIN.
- */
- if (unlikely(cpu_online(pr->id))) {
- put_online_cpus();
- pr_warn("Failed to remove CPU %d, because other task "
- "brought the CPU back online\n", pr->id);
- return -EAGAIN;
- }
- arch_unregister_cpu(pr->id);
- acpi_unmap_lsapic(pr->id);
- put_online_cpus();
- return (0);
-}
-#else
-static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr)
-{
- return AE_ERROR;
-}
-static int acpi_processor_handle_eject(struct acpi_processor *pr)
-{
- return (-EINVAL);
-}
-#endif
-
-static
-void acpi_processor_install_hotplug_notify(void)
-{
-#ifdef CONFIG_ACPI_HOTPLUG_CPU
- int action = INSTALL_NOTIFY_HANDLER;
- acpi_walk_namespace(ACPI_TYPE_ANY,
- ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX,
- processor_walk_namespace_cb, NULL, &action, NULL);
-#endif
- register_hotcpu_notifier(&acpi_cpu_notifier);
-}
-
-static
-void acpi_processor_uninstall_hotplug_notify(void)
-{
-#ifdef CONFIG_ACPI_HOTPLUG_CPU
- int action = UNINSTALL_NOTIFY_HANDLER;
- acpi_walk_namespace(ACPI_TYPE_ANY,
- ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX,
- processor_walk_namespace_cb, NULL, &action, NULL);
-#endif
- unregister_hotcpu_notifier(&acpi_cpu_notifier);
-}
-
/*
* We keep the driver loaded even when ACPI is not running.
* This is needed for the powernow-k8 driver, that works even without
* ACPI, but needs symbols from this driver
*/
-static int __init acpi_processor_init(void)
+static int __init acpi_processor_driver_init(void)
{
int result = 0;
if (acpi_disabled)
return 0;
- result = acpi_bus_register_driver(&acpi_processor_driver);
+ result = driver_register(&acpi_processor_driver);
if (result < 0)
return result;
- acpi_processor_install_hotplug_notify();
-
+ acpi_processor_syscore_init();
+ register_hotcpu_notifier(&acpi_cpu_notifier);
acpi_thermal_cpufreq_init();
-
acpi_processor_ppc_init();
-
acpi_processor_throttling_init();
-
return 0;
}
-static void __exit acpi_processor_exit(void)
+static void __exit acpi_processor_driver_exit(void)
{
if (acpi_disabled)
return;
acpi_processor_ppc_exit();
-
acpi_thermal_cpufreq_exit();
-
- acpi_processor_uninstall_hotplug_notify();
-
- acpi_bus_unregister_driver(&acpi_processor_driver);
-
- return;
+ unregister_hotcpu_notifier(&acpi_cpu_notifier);
+ acpi_processor_syscore_exit();
+ driver_unregister(&acpi_processor_driver);
}
-module_init(acpi_processor_init);
-module_exit(acpi_processor_exit);
+module_init(acpi_processor_driver_init);
+module_exit(acpi_processor_driver_exit);
MODULE_ALIAS("processor");
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index f0df2c9434d..0461ccc92c5 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -34,6 +34,7 @@
#include <linux/sched.h> /* need_resched() */
#include <linux/clockchips.h>
#include <linux/cpuidle.h>
+#include <linux/syscore_ops.h>
/*
* Include the apic definitions for x86 to have the APIC timer related defines
@@ -210,33 +211,41 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr,
#endif
+#ifdef CONFIG_PM_SLEEP
static u32 saved_bm_rld;
-static void acpi_idle_bm_rld_save(void)
+static int acpi_processor_suspend(void)
{
acpi_read_bit_register(ACPI_BITREG_BUS_MASTER_RLD, &saved_bm_rld);
+ return 0;
}
-static void acpi_idle_bm_rld_restore(void)
+
+static void acpi_processor_resume(void)
{
u32 resumed_bm_rld;
acpi_read_bit_register(ACPI_BITREG_BUS_MASTER_RLD, &resumed_bm_rld);
+ if (resumed_bm_rld == saved_bm_rld)
+ return;
- if (resumed_bm_rld != saved_bm_rld)
- acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_RLD, saved_bm_rld);
+ acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_RLD, saved_bm_rld);
}
-int acpi_processor_suspend(struct device *dev)
+static struct syscore_ops acpi_processor_syscore_ops = {
+ .suspend = acpi_processor_suspend,
+ .resume = acpi_processor_resume,
+};
+
+void acpi_processor_syscore_init(void)
{
- acpi_idle_bm_rld_save();
- return 0;
+ register_syscore_ops(&acpi_processor_syscore_ops);
}
-int acpi_processor_resume(struct device *dev)
+void acpi_processor_syscore_exit(void)
{
- acpi_idle_bm_rld_restore();
- return 0;
+ unregister_syscore_ops(&acpi_processor_syscore_ops);
}
+#endif /* CONFIG_PM_SLEEP */
#if defined(CONFIG_X86)
static void tsc_check_state(int state)
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index e854582f29a..1e9732d809b 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -639,7 +639,7 @@ end:
int acpi_processor_preregister_performance(
struct acpi_processor_performance __percpu *performance)
{
- int count, count_target;
+ int count_target;
int retval = 0;
unsigned int i, j;
cpumask_var_t covered_cpus;
@@ -711,7 +711,6 @@ int acpi_processor_preregister_performance(
/* Validate the Domain info */
count_target = pdomain->num_processors;
- count = 1;
if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ALL)
pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;
else if (pdomain->coord_type == DOMAIN_COORD_TYPE_HW_ALL)
@@ -745,7 +744,6 @@ int acpi_processor_preregister_performance(
cpumask_set_cpu(j, covered_cpus);
cpumask_set_cpu(j, pr->performance->shared_cpu_map);
- count++;
}
for_each_possible_cpu(j) {
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index a3868f6c222..3322b47ab7c 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -304,7 +304,8 @@ static void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi)
}
static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,
- u8 triggering, u8 polarity, u8 shareable)
+ u8 triggering, u8 polarity, u8 shareable,
+ bool legacy)
{
int irq, p, t;
@@ -317,14 +318,19 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,
* In IO-APIC mode, use overrided attribute. Two reasons:
* 1. BIOS bug in DSDT
* 2. BIOS uses IO-APIC mode Interrupt Source Override
+ *
+ * We do this only if we are dealing with IRQ() or IRQNoFlags()
+ * resource (the legacy ISA resources). With modern ACPI 5 devices
+ * using extended IRQ descriptors we take the IRQ configuration
+ * from _CRS directly.
*/
- if (!acpi_get_override_irq(gsi, &t, &p)) {
+ if (legacy && !acpi_get_override_irq(gsi, &t, &p)) {
u8 trig = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
u8 pol = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
if (triggering != trig || polarity != pol) {
pr_warning("ACPI: IRQ %d override to %s, %s\n", gsi,
- t ? "edge" : "level", p ? "low" : "high");
+ t ? "level" : "edge", p ? "low" : "high");
triggering = trig;
polarity = pol;
}
@@ -373,7 +379,7 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
}
acpi_dev_get_irqresource(res, irq->interrupts[index],
irq->triggering, irq->polarity,
- irq->sharable);
+ irq->sharable, true);
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
ext_irq = &ares->data.extended_irq;
@@ -383,7 +389,7 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
}
acpi_dev_get_irqresource(res, ext_irq->interrupts[index],
ext_irq->triggering, ext_irq->polarity,
- ext_irq->sharable);
+ ext_irq->sharable, false);
break;
default:
return false;
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index fe158fd4f1d..dfe76f17cfc 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -27,6 +27,12 @@ extern struct acpi_device *acpi_root;
#define ACPI_IS_ROOT_DEVICE(device) (!(device)->parent)
+/*
+ * If set, devices will be hot-removed even if they cannot be put offline
+ * gracefully (from the kernel's standpoint).
+ */
+bool acpi_force_hot_remove;
+
static const char *dummy_hid = "device";
static LIST_HEAD(acpi_device_list);
@@ -120,12 +126,78 @@ acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, cha
}
static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL);
+static acpi_status acpi_bus_offline_companions(acpi_handle handle, u32 lvl,
+ void *data, void **ret_p)
+{
+ struct acpi_device *device = NULL;
+ struct acpi_device_physical_node *pn;
+ bool second_pass = (bool)data;
+ acpi_status status = AE_OK;
+
+ if (acpi_bus_get_device(handle, &device))
+ return AE_OK;
+
+ mutex_lock(&device->physical_node_lock);
+
+ list_for_each_entry(pn, &device->physical_node_list, node) {
+ int ret;
+
+ if (second_pass) {
+ /* Skip devices offlined by the first pass. */
+ if (pn->put_online)
+ continue;
+ } else {
+ pn->put_online = false;
+ }
+ ret = device_offline(pn->dev);
+ if (acpi_force_hot_remove)
+ continue;
+
+ if (ret >= 0) {
+ pn->put_online = !ret;
+ } else {
+ *ret_p = pn->dev;
+ if (second_pass) {
+ status = AE_ERROR;
+ break;
+ }
+ }
+ }
+
+ mutex_unlock(&device->physical_node_lock);
+
+ return status;
+}
+
+static acpi_status acpi_bus_online_companions(acpi_handle handle, u32 lvl,
+ void *data, void **ret_p)
+{
+ struct acpi_device *device = NULL;
+ struct acpi_device_physical_node *pn;
+
+ if (acpi_bus_get_device(handle, &device))
+ return AE_OK;
+
+ mutex_lock(&device->physical_node_lock);
+
+ list_for_each_entry(pn, &device->physical_node_list, node)
+ if (pn->put_online) {
+ device_online(pn->dev);
+ pn->put_online = false;
+ }
+
+ mutex_unlock(&device->physical_node_lock);
+
+ return AE_OK;
+}
+
static int acpi_scan_hot_remove(struct acpi_device *device)
{
acpi_handle handle = device->handle;
acpi_handle not_used;
struct acpi_object_list arg_list;
union acpi_object arg;
+ struct device *errdev;
acpi_status status;
unsigned long long sta;
@@ -136,10 +208,53 @@ static int acpi_scan_hot_remove(struct acpi_device *device)
return -EINVAL;
}
+ lock_device_hotplug();
+
+ /*
+ * Carry out two passes here and ignore errors in the first pass,
+ * because if the devices in question are memory blocks and
+ * CONFIG_MEMCG is set, one of the blocks may hold data structures
+ * that the other blocks depend on, but it is not known in advance which
+ * block holds them.
+ *
+ * If the first pass is successful, the second one isn't needed, though.
+ */
+ errdev = NULL;
+ acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
+ NULL, acpi_bus_offline_companions,
+ (void *)false, (void **)&errdev);
+ acpi_bus_offline_companions(handle, 0, (void *)false, (void **)&errdev);
+ if (errdev) {
+ errdev = NULL;
+ acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
+ NULL, acpi_bus_offline_companions,
+ (void *)true , (void **)&errdev);
+ if (!errdev || acpi_force_hot_remove)
+ acpi_bus_offline_companions(handle, 0, (void *)true,
+ (void **)&errdev);
+
+ if (errdev && !acpi_force_hot_remove) {
+ dev_warn(errdev, "Offline failed.\n");
+ acpi_bus_online_companions(handle, 0, NULL, NULL);
+ acpi_walk_namespace(ACPI_TYPE_ANY, handle,
+ ACPI_UINT32_MAX,
+ acpi_bus_online_companions, NULL,
+ NULL, NULL);
+
+ unlock_device_hotplug();
+
+ put_device(&device->dev);
+ return -EBUSY;
+ }
+ }
+
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Hot-removing device %s...\n", dev_name(&device->dev)));
acpi_bus_trim(device);
+
+ unlock_device_hotplug();
+
/* Device node has been unregistered. */
put_device(&device->dev);
device = NULL;
@@ -236,6 +351,7 @@ static void acpi_scan_bus_device_check(acpi_handle handle, u32 ost_source)
int error;
mutex_lock(&acpi_scan_lock);
+ lock_device_hotplug();
acpi_bus_get_device(handle, &device);
if (device) {
@@ -259,6 +375,7 @@ static void acpi_scan_bus_device_check(acpi_handle handle, u32 ost_source)
kobject_uevent(&device->dev.kobj, KOBJ_ONLINE);
out:
+ unlock_device_hotplug();
acpi_evaluate_hotplug_ost(handle, ost_source, ost_code, NULL);
mutex_unlock(&acpi_scan_lock);
}
@@ -816,32 +933,43 @@ static void acpi_device_remove_notify_handler(struct acpi_device *device)
acpi_device_notify);
}
-static int acpi_bus_driver_init(struct acpi_device *, struct acpi_driver *);
-static int acpi_device_probe(struct device * dev)
+static int acpi_device_probe(struct device *dev)
{
struct acpi_device *acpi_dev = to_acpi_device(dev);
struct acpi_driver *acpi_drv = to_acpi_driver(dev->driver);
int ret;
- ret = acpi_bus_driver_init(acpi_dev, acpi_drv);
- if (!ret) {
- if (acpi_drv->ops.notify) {
- ret = acpi_device_install_notify_handler(acpi_dev);
- if (ret) {
- if (acpi_drv->ops.remove)
- acpi_drv->ops.remove(acpi_dev);
- acpi_dev->driver = NULL;
- acpi_dev->driver_data = NULL;
- return ret;
- }
- }
+ if (acpi_dev->handler)
+ return -EINVAL;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Found driver [%s] for device [%s]\n",
- acpi_drv->name, acpi_dev->pnp.bus_id));
- get_device(dev);
+ if (!acpi_drv->ops.add)
+ return -ENOSYS;
+
+ ret = acpi_drv->ops.add(acpi_dev);
+ if (ret)
+ return ret;
+
+ acpi_dev->driver = acpi_drv;
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Driver [%s] successfully bound to device [%s]\n",
+ acpi_drv->name, acpi_dev->pnp.bus_id));
+
+ if (acpi_drv->ops.notify) {
+ ret = acpi_device_install_notify_handler(acpi_dev);
+ if (ret) {
+ if (acpi_drv->ops.remove)
+ acpi_drv->ops.remove(acpi_dev);
+
+ acpi_dev->driver = NULL;
+ acpi_dev->driver_data = NULL;
+ return ret;
+ }
}
- return ret;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found driver [%s] for device [%s]\n",
+ acpi_drv->name, acpi_dev->pnp.bus_id));
+ get_device(dev);
+ return 0;
}
static int acpi_device_remove(struct device * dev)
@@ -952,7 +1080,6 @@ int acpi_device_add(struct acpi_device *device,
printk(KERN_ERR PREFIX "Error creating sysfs interface for device %s\n",
dev_name(&device->dev));
- device->removal_type = ACPI_BUS_REMOVAL_NORMAL;
return 0;
err:
@@ -998,44 +1125,6 @@ static void acpi_device_unregister(struct acpi_device *device)
Driver Management
-------------------------------------------------------------------------- */
/**
- * acpi_bus_driver_init - add a device to a driver
- * @device: the device to add and initialize
- * @driver: driver for the device
- *
- * Used to initialize a device via its device driver. Called whenever a
- * driver is bound to a device. Invokes the driver's add() ops.
- */
-static int
-acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver)
-{
- int result = 0;
-
- if (!device || !driver)
- return -EINVAL;
-
- if (!driver->ops.add)
- return -ENOSYS;
-
- result = driver->ops.add(device);
- if (result) {
- device->driver = NULL;
- device->driver_data = NULL;
- return result;
- }
-
- device->driver = driver;
-
- /*
- * TBD - Configuration Management: Assign resources to device based
- * upon possible configuration and currently allocated resources.
- */
-
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Driver successfully bound to device\n"));
- return 0;
-}
-
-/**
* acpi_bus_register_driver - register a driver with the ACPI bus
* @driver: driver being registered
*
@@ -1785,7 +1874,7 @@ static void acpi_scan_init_hotplug(acpi_handle handle, int type)
acpi_set_pnp_ids(handle, &pnp, type);
if (!pnp.type.hardware_id)
- return;
+ goto out;
/*
* This relies on the fact that acpi_install_notify_handler() will not
@@ -1800,6 +1889,7 @@ static void acpi_scan_init_hotplug(acpi_handle handle, int type)
}
}
+out:
acpi_free_pnp_ids(&pnp);
}
@@ -1941,7 +2031,6 @@ static acpi_status acpi_bus_device_detach(acpi_handle handle, u32 lvl_not_used,
if (!acpi_bus_get_device(handle, &device)) {
struct acpi_scan_handler *dev_handler = device->handler;
- device->removal_type = ACPI_BUS_REMOVAL_EJECT;
if (dev_handler) {
if (dev_handler->detach)
dev_handler->detach(device);
@@ -2040,11 +2129,13 @@ int __init acpi_scan_init(void)
acpi_pci_root_init();
acpi_pci_link_init();
+ acpi_processor_init();
acpi_platform_init();
acpi_lpss_init();
- acpi_csrt_init();
+ acpi_cmos_rtc_init();
acpi_container_init();
acpi_memory_hotplug_init();
+ acpi_dock_init();
mutex_lock(&acpi_scan_lock);
/*
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 9c1a435d10e..187ab61889e 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -494,6 +494,8 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
break;
case ACPI_STATE_S3:
+ if (!acpi_suspend_lowlevel)
+ return -ENOSYS;
error = acpi_suspend_lowlevel();
if (error)
return error;
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index fcae5fa2e1b..5c5d1624fa2 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -780,6 +780,33 @@ void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
pr_err(PREFIX "Unable to add hotplug profile '%s'\n", name);
}
+static ssize_t force_remove_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%d\n", !!acpi_force_hot_remove);
+}
+
+static ssize_t force_remove_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t size)
+{
+ bool val;
+ int ret;
+
+ ret = strtobool(buf, &val);
+ if (ret < 0)
+ return ret;
+
+ lock_device_hotplug();
+ acpi_force_hot_remove = val;
+ unlock_device_hotplug();
+ return size;
+}
+
+static const struct kobj_attribute force_remove_attr =
+ __ATTR(force_remove, S_IRUGO | S_IWUSR, force_remove_show,
+ force_remove_store);
+
int __init acpi_sysfs_init(void)
{
int result;
@@ -789,6 +816,10 @@ int __init acpi_sysfs_init(void)
return result;
hotplug_kobj = kobject_create_and_add("hotplug", acpi_kobj);
+ result = sysfs_create_file(hotplug_kobj, &force_remove_attr.attr);
+ if (result)
+ return result;
+
result = sysfs_create_file(acpi_kobj, &pm_profile_attr.attr);
return result;
}
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index c3932d0876e..5d7075d2570 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -456,6 +456,30 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dm4 Notebook PC"),
},
},
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion g6 Notebook PC",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion g6 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP 1000 Notebook PC",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion m4",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion m4 Notebook PC"),
+ },
+ },
{}
};
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 66f67626f02..e6bd910bc6e 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -161,6 +161,14 @@ static struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"),
},
},
+ {
+ .callback = video_detect_force_vendor,
+ .ident = "Asus UL30A",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
+ },
+ },
{ },
};