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-rw-r--r--drivers/char/Kconfig9
-rw-r--r--drivers/char/Makefile1
-rw-r--r--drivers/char/agp/amd64-agp.c33
-rw-r--r--drivers/char/agp/intel-gtt.c11
-rw-r--r--drivers/char/hvc_dcc.c133
-rw-r--r--drivers/char/hvsi.c4
-rw-r--r--drivers/char/ip2/ip2main.c2
-rw-r--r--drivers/char/pcmcia/ipwireless/hardware.c2
-rw-r--r--drivers/char/pcmcia/ipwireless/network.c3
-rw-r--r--drivers/char/pcmcia/ipwireless/tty.c2
-rw-r--r--drivers/char/ramoops.c12
-rw-r--r--drivers/char/random.c2
-rw-r--r--drivers/char/rocket.c2
-rw-r--r--drivers/char/sonypi.c2
-rw-r--r--drivers/char/specialix.c2
-rw-r--r--drivers/char/tpm/tpm.c4
16 files changed, 188 insertions, 36 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 43d3395325c..d4a7776f4b7 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -682,6 +682,15 @@ config HVC_UDBG
select HVC_DRIVER
default n
+config HVC_DCC
+ bool "ARM JTAG DCC console"
+ depends on ARM
+ select HVC_DRIVER
+ help
+ This console uses the JTAG DCC on ARM to create a console under the HVC
+ driver. This console is used through a JTAG only on ARM. If you don't have
+ a JTAG then you probably don't want this option.
+
config VIRTIO_CONSOLE
tristate "Virtio console"
depends on VIRTIO
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index ba53ec956c9..fa0b824b7a6 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_HVC_CONSOLE) += hvc_vio.o hvsi.o
obj-$(CONFIG_HVC_ISERIES) += hvc_iseries.o
obj-$(CONFIG_HVC_RTAS) += hvc_rtas.o
obj-$(CONFIG_HVC_TILE) += hvc_tile.o
+obj-$(CONFIG_HVC_DCC) += hvc_dcc.o
obj-$(CONFIG_HVC_BEAT) += hvc_beat.o
obj-$(CONFIG_HVC_DRIVER) += hvc_console.o
obj-$(CONFIG_HVC_IRQ) += hvc_irq.o
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 42396df5555..9252e85706e 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -38,7 +38,7 @@ static int agp_bridges_found;
static void amd64_tlbflush(struct agp_memory *temp)
{
- k8_flush_garts();
+ amd_flush_garts();
}
static int amd64_insert_memory(struct agp_memory *mem, off_t pg_start, int type)
@@ -124,7 +124,7 @@ static int amd64_fetch_size(void)
u32 temp;
struct aper_size_info_32 *values;
- dev = k8_northbridges.nb_misc[0];
+ dev = node_to_amd_nb(0)->misc;
if (dev==NULL)
return 0;
@@ -181,16 +181,15 @@ static int amd_8151_configure(void)
unsigned long gatt_bus = virt_to_phys(agp_bridge->gatt_table_real);
int i;
- if (!k8_northbridges.gart_supported)
+ if (!amd_nb_has_feature(AMD_NB_GART))
return 0;
/* Configure AGP regs in each x86-64 host bridge. */
- for (i = 0; i < k8_northbridges.num; i++) {
+ for (i = 0; i < amd_nb_num(); i++) {
agp_bridge->gart_bus_addr =
- amd64_configure(k8_northbridges.nb_misc[i],
- gatt_bus);
+ amd64_configure(node_to_amd_nb(i)->misc, gatt_bus);
}
- k8_flush_garts();
+ amd_flush_garts();
return 0;
}
@@ -200,11 +199,11 @@ static void amd64_cleanup(void)
u32 tmp;
int i;
- if (!k8_northbridges.gart_supported)
+ if (!amd_nb_has_feature(AMD_NB_GART))
return;
- for (i = 0; i < k8_northbridges.num; i++) {
- struct pci_dev *dev = k8_northbridges.nb_misc[i];
+ for (i = 0; i < amd_nb_num(); i++) {
+ struct pci_dev *dev = node_to_amd_nb(i)->misc;
/* disable gart translation */
pci_read_config_dword(dev, AMD64_GARTAPERTURECTL, &tmp);
tmp &= ~GARTEN;
@@ -331,15 +330,15 @@ static __devinit int cache_nbs(struct pci_dev *pdev, u32 cap_ptr)
{
int i;
- if (cache_k8_northbridges() < 0)
+ if (amd_cache_northbridges() < 0)
return -ENODEV;
- if (!k8_northbridges.gart_supported)
+ if (!amd_nb_has_feature(AMD_NB_GART))
return -ENODEV;
i = 0;
- for (i = 0; i < k8_northbridges.num; i++) {
- struct pci_dev *dev = k8_northbridges.nb_misc[i];
+ for (i = 0; i < amd_nb_num(); i++) {
+ struct pci_dev *dev = node_to_amd_nb(i)->misc;
if (fix_northbridge(dev, pdev, cap_ptr) < 0) {
dev_err(&dev->dev, "no usable aperture found\n");
#ifdef __x86_64__
@@ -416,7 +415,7 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
}
/* shadow x86-64 registers into ULi registers */
- pci_read_config_dword (k8_northbridges.nb_misc[0], AMD64_GARTAPERTUREBASE,
+ pci_read_config_dword (node_to_amd_nb(0)->misc, AMD64_GARTAPERTUREBASE,
&httfea);
/* if x86-64 aperture base is beyond 4G, exit here */
@@ -484,7 +483,7 @@ static int nforce3_agp_init(struct pci_dev *pdev)
pci_write_config_dword(dev1, NVIDIA_X86_64_1_APSIZE, tmp);
/* shadow x86-64 registers into NVIDIA registers */
- pci_read_config_dword (k8_northbridges.nb_misc[0], AMD64_GARTAPERTUREBASE,
+ pci_read_config_dword (node_to_amd_nb(0)->misc, AMD64_GARTAPERTUREBASE,
&apbase);
/* if x86-64 aperture base is beyond 4G, exit here */
@@ -778,7 +777,7 @@ int __init agp_amd64_init(void)
}
/* First check that we have at least one AMD64 NB */
- if (!pci_dev_present(k8_nb_ids))
+ if (!pci_dev_present(amd_nb_misc_ids))
return -ENODEV;
/* Look for any AGP bridge */
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 16a2847b7cd..29ac6d499fa 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1192,12 +1192,19 @@ static void i9xx_chipset_flush(void)
writel(1, intel_private.i9xx_flush_page);
}
-static void i965_write_entry(dma_addr_t addr, unsigned int entry,
+static void i965_write_entry(dma_addr_t addr,
+ unsigned int entry,
unsigned int flags)
{
+ u32 pte_flags;
+
+ pte_flags = I810_PTE_VALID;
+ if (flags == AGP_USER_CACHED_MEMORY)
+ pte_flags |= I830_PTE_SYSTEM_CACHED;
+
/* Shift high bits down */
addr |= (addr >> 28) & 0xf0;
- writel(addr | I810_PTE_VALID, intel_private.gtt + entry);
+ writel(addr | pte_flags, intel_private.gtt + entry);
}
static bool gen6_check_flags(unsigned int flags)
diff --git a/drivers/char/hvc_dcc.c b/drivers/char/hvc_dcc.c
new file mode 100644
index 00000000000..6470f63deb4
--- /dev/null
+++ b/drivers/char/hvc_dcc.c
@@ -0,0 +1,133 @@
+/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+
+#include <asm/processor.h>
+
+#include "hvc_console.h"
+
+/* DCC Status Bits */
+#define DCC_STATUS_RX (1 << 30)
+#define DCC_STATUS_TX (1 << 29)
+
+static inline u32 __dcc_getstatus(void)
+{
+ u32 __ret;
+
+ asm("mrc p14, 0, %0, c0, c1, 0 @ read comms ctrl reg"
+ : "=r" (__ret) : : "cc");
+
+ return __ret;
+}
+
+
+#if defined(CONFIG_CPU_V7)
+static inline char __dcc_getchar(void)
+{
+ char __c;
+
+ asm("get_wait: mrc p14, 0, pc, c0, c1, 0 \n\
+ bne get_wait \n\
+ mrc p14, 0, %0, c0, c5, 0 @ read comms data reg"
+ : "=r" (__c) : : "cc");
+
+ return __c;
+}
+#else
+static inline char __dcc_getchar(void)
+{
+ char __c;
+
+ asm("mrc p14, 0, %0, c0, c5, 0 @ read comms data reg"
+ : "=r" (__c));
+
+ return __c;
+}
+#endif
+
+#if defined(CONFIG_CPU_V7)
+static inline void __dcc_putchar(char c)
+{
+ asm("put_wait: mrc p14, 0, pc, c0, c1, 0 \n\
+ bcs put_wait \n\
+ mcr p14, 0, %0, c0, c5, 0 "
+ : : "r" (c) : "cc");
+}
+#else
+static inline void __dcc_putchar(char c)
+{
+ asm("mcr p14, 0, %0, c0, c5, 0 @ write a char"
+ : /* no output register */
+ : "r" (c));
+}
+#endif
+
+static int hvc_dcc_put_chars(uint32_t vt, const char *buf, int count)
+{
+ int i;
+
+ for (i = 0; i < count; i++) {
+ while (__dcc_getstatus() & DCC_STATUS_TX)
+ cpu_relax();
+
+ __dcc_putchar((char)(buf[i] & 0xFF));
+ }
+
+ return count;
+}
+
+static int hvc_dcc_get_chars(uint32_t vt, char *buf, int count)
+{
+ int i;
+
+ for (i = 0; i < count; ++i) {
+ int c = -1;
+
+ if (__dcc_getstatus() & DCC_STATUS_RX)
+ c = __dcc_getchar();
+ if (c < 0)
+ break;
+ buf[i] = c;
+ }
+
+ return i;
+}
+
+static const struct hv_ops hvc_dcc_get_put_ops = {
+ .get_chars = hvc_dcc_get_chars,
+ .put_chars = hvc_dcc_put_chars,
+};
+
+static int __init hvc_dcc_console_init(void)
+{
+ hvc_instantiate(0, 0, &hvc_dcc_get_put_ops);
+ return 0;
+}
+console_initcall(hvc_dcc_console_init);
+
+static int __init hvc_dcc_init(void)
+{
+ hvc_alloc(0, 0, &hvc_dcc_get_put_ops, 128);
+ return 0;
+}
+device_initcall(hvc_dcc_init);
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index a2bc885ce60..67a75a502c0 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -850,8 +850,8 @@ static void hvsi_flush_output(struct hvsi_struct *hp)
wait_event_timeout(hp->emptyq, (hp->n_outbuf <= 0), HVSI_TIMEOUT);
/* 'writer' could still be pending if it didn't see n_outbuf = 0 yet */
- cancel_delayed_work(&hp->writer);
- flush_scheduled_work();
+ cancel_delayed_work_sync(&hp->writer);
+ flush_work_sync(&hp->handshaker);
/*
* it's also possible that our timeout expired and hvsi_write_worker
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index fcd02baa7d6..c3a025356b8 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -3224,7 +3224,7 @@ ip2trace (unsigned short pn, unsigned char cat, unsigned char label, unsigned lo
MODULE_LICENSE("GPL");
-static struct pci_device_id ip2main_pci_tbl[] __devinitdata = {
+static struct pci_device_id ip2main_pci_tbl[] __devinitdata __used = {
{ PCI_DEVICE(PCI_VENDOR_ID_COMPUTONE, PCI_DEVICE_ID_COMPUTONE_IP2EX) },
{ }
};
diff --git a/drivers/char/pcmcia/ipwireless/hardware.c b/drivers/char/pcmcia/ipwireless/hardware.c
index 99cffdab105..0aeb5a38d29 100644
--- a/drivers/char/pcmcia/ipwireless/hardware.c
+++ b/drivers/char/pcmcia/ipwireless/hardware.c
@@ -1729,7 +1729,7 @@ void ipwireless_hardware_free(struct ipw_hardware *hw)
ipwireless_stop_interrupts(hw);
- flush_scheduled_work();
+ flush_work_sync(&hw->work_rx);
for (i = 0; i < NL_NUM_OF_ADDRESSES; i++)
if (hw->packet_assembler[i] != NULL)
diff --git a/drivers/char/pcmcia/ipwireless/network.c b/drivers/char/pcmcia/ipwireless/network.c
index 9fe53834793..f7daeea598e 100644
--- a/drivers/char/pcmcia/ipwireless/network.c
+++ b/drivers/char/pcmcia/ipwireless/network.c
@@ -430,7 +430,8 @@ void ipwireless_network_free(struct ipw_network *network)
network->shutting_down = 1;
ipwireless_ppp_close(network);
- flush_scheduled_work();
+ flush_work_sync(&network->work_go_online);
+ flush_work_sync(&network->work_go_offline);
ipwireless_stop_interrupts(network->hardware);
ipwireless_associate_network(network->hardware, NULL);
diff --git a/drivers/char/pcmcia/ipwireless/tty.c b/drivers/char/pcmcia/ipwireless/tty.c
index 1a2c2c3b068..f5eb28b6cb0 100644
--- a/drivers/char/pcmcia/ipwireless/tty.c
+++ b/drivers/char/pcmcia/ipwireless/tty.c
@@ -577,7 +577,7 @@ void ipwireless_tty_free(struct ipw_tty *tty)
mutex_unlock(&ttyj->ipw_tty_mutex);
tty_hangup(ttyj->linux_tty);
/* Wait till the tty_hangup has completed */
- flush_scheduled_work();
+ flush_work_sync(&ttyj->linux_tty->hangup_work);
/* FIXME: Exactly how is the tty object locked here
against a parallel ioctl etc */
mutex_lock(&ttyj->ipw_tty_mutex);
diff --git a/drivers/char/ramoops.c b/drivers/char/ramoops.c
index 73dcb0ee41f..d3d63be2cd3 100644
--- a/drivers/char/ramoops.c
+++ b/drivers/char/ramoops.c
@@ -29,7 +29,6 @@
#include <linux/ramoops.h>
#define RAMOOPS_KERNMSG_HDR "===="
-#define RAMOOPS_HEADER_SIZE (5 + sizeof(struct timeval))
#define RECORD_SIZE 4096
@@ -65,8 +64,8 @@ static void ramoops_do_dump(struct kmsg_dumper *dumper,
struct ramoops_context, dump);
unsigned long s1_start, s2_start;
unsigned long l1_cpy, l2_cpy;
- int res;
- char *buf;
+ int res, hdr_size;
+ char *buf, *buf_orig;
struct timeval timestamp;
/* Only dump oopses if dump_oops is set */
@@ -74,6 +73,8 @@ static void ramoops_do_dump(struct kmsg_dumper *dumper,
return;
buf = (char *)(cxt->virt_addr + (cxt->count * RECORD_SIZE));
+ buf_orig = buf;
+
memset(buf, '\0', RECORD_SIZE);
res = sprintf(buf, "%s", RAMOOPS_KERNMSG_HDR);
buf += res;
@@ -81,8 +82,9 @@ static void ramoops_do_dump(struct kmsg_dumper *dumper,
res = sprintf(buf, "%lu.%lu\n", (long)timestamp.tv_sec, (long)timestamp.tv_usec);
buf += res;
- l2_cpy = min(l2, (unsigned long)(RECORD_SIZE - RAMOOPS_HEADER_SIZE));
- l1_cpy = min(l1, (unsigned long)(RECORD_SIZE - RAMOOPS_HEADER_SIZE) - l2_cpy);
+ hdr_size = buf - buf_orig;
+ l2_cpy = min(l2, (unsigned long)(RECORD_SIZE - hdr_size));
+ l1_cpy = min(l1, (unsigned long)(RECORD_SIZE - hdr_size) - l2_cpy);
s2_start = l2 - l2_cpy;
s1_start = l1 - l1_cpy;
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 5a1aa64f4e7..72a4fcb1774 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -626,7 +626,7 @@ static void add_timer_randomness(struct timer_rand_state *state, unsigned num)
preempt_disable();
/* if over the trickle threshold, use only 1 in 4096 samples */
if (input_pool.entropy_count > trickle_thresh &&
- (__get_cpu_var(trickle_count)++ & 0xfff))
+ ((__this_cpu_inc_return(trickle_count) - 1) & 0xfff))
goto out;
sample.jiffies = jiffies;
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 86308830ac4..3e4e73a0d7c 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -1764,7 +1764,7 @@ static void rp_flush_buffer(struct tty_struct *tty)
#ifdef CONFIG_PCI
-static struct pci_device_id __devinitdata rocket_pci_ids[] = {
+static struct pci_device_id __devinitdata __used rocket_pci_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_ANY_ID) },
{ }
};
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 73f66d03624..79e36c878a4 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1434,7 +1434,7 @@ static int __devexit sonypi_remove(struct platform_device *dev)
sonypi_disable();
synchronize_irq(sonypi_device.irq);
- flush_scheduled_work();
+ flush_work_sync(&sonypi_device.input_work);
if (useinput) {
input_unregister_device(sonypi_device.input_key_dev);
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index a7616d226a4..c2bca3f25ef 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -2355,7 +2355,7 @@ static void __exit specialix_exit_module(void)
func_exit();
}
-static struct pci_device_id specialx_pci_tbl[] __devinitdata = {
+static struct pci_device_id specialx_pci_tbl[] __devinitdata __used = {
{ PCI_DEVICE(PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_IO8) },
{ }
};
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 7c4133582db..0b3af3fe676 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -986,7 +986,7 @@ int tpm_release(struct inode *inode, struct file *file)
struct tpm_chip *chip = file->private_data;
del_singleshot_timer_sync(&chip->user_read_timer);
- flush_scheduled_work();
+ flush_work_sync(&chip->work);
file->private_data = NULL;
atomic_set(&chip->data_pending, 0);
kfree(chip->data_buffer);
@@ -1038,7 +1038,7 @@ ssize_t tpm_read(struct file *file, char __user *buf,
ssize_t ret_size;
del_singleshot_timer_sync(&chip->user_read_timer);
- flush_scheduled_work();
+ flush_work_sync(&chip->work);
ret_size = atomic_read(&chip->data_pending);
atomic_set(&chip->data_pending, 0);
if (ret_size > 0) { /* relay data */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-23 12:59:47 +0000