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-rw-r--r--drivers/platform/x86/asus-laptop.c2
-rw-r--r--drivers/platform/x86/asus-wmi.c4
-rw-r--r--drivers/platform/x86/asus_acpi.c4
-rw-r--r--drivers/platform/x86/ibm_rtl.c34
-rw-r--r--drivers/platform/x86/ideapad-laptop.c2
-rw-r--r--drivers/platform/x86/intel_menlow.c2
-rw-r--r--drivers/platform/x86/intel_scu_ipc.c2
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c19
-rw-r--r--drivers/platform/x86/toshiba_acpi.c21
9 files changed, 49 insertions, 41 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index edaccad9b5b..b7944f90388 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -1477,7 +1477,7 @@ static struct attribute *asus_attributes[] = {
NULL
};
-static mode_t asus_sysfs_is_visible(struct kobject *kobj,
+static umode_t asus_sysfs_is_visible(struct kobject *kobj,
struct attribute *attr,
int idx)
{
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index d1049ee3c9e..72d731c21d4 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -992,7 +992,7 @@ static struct attribute *hwmon_attributes[] = {
NULL
};
-static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
+static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
struct attribute *attr, int idx)
{
struct device *dev = container_of(kobj, struct device, kobj);
@@ -1357,7 +1357,7 @@ static struct attribute *platform_attributes[] = {
NULL
};
-static mode_t asus_sysfs_is_visible(struct kobject *kobj,
+static umode_t asus_sysfs_is_visible(struct kobject *kobj,
struct attribute *attr, int idx)
{
struct device *dev = container_of(kobj, struct device, kobj);
diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c
index d9312b3073e..6f966d6c062 100644
--- a/drivers/platform/x86/asus_acpi.c
+++ b/drivers/platform/x86/asus_acpi.c
@@ -1053,7 +1053,7 @@ static const struct file_operations disp_proc_fops = {
};
static int
-asus_proc_add(char *name, const struct file_operations *proc_fops, mode_t mode,
+asus_proc_add(char *name, const struct file_operations *proc_fops, umode_t mode,
struct acpi_device *device)
{
struct proc_dir_entry *proc;
@@ -1072,7 +1072,7 @@ asus_proc_add(char *name, const struct file_operations *proc_fops, mode_t mode,
static int asus_hotk_add_fs(struct acpi_device *device)
{
struct proc_dir_entry *proc;
- mode_t mode;
+ umode_t mode;
if ((asus_uid == 0) && (asus_gid == 0)) {
mode = S_IFREG | S_IRUGO | S_IWUSR | S_IWGRP;
diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
index 811d436cd67..42a7d603c87 100644
--- a/drivers/platform/x86/ibm_rtl.c
+++ b/drivers/platform/x86/ibm_rtl.c
@@ -28,7 +28,6 @@
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/io.h>
-#include <linux/sysdev.h>
#include <linux/dmi.h>
#include <linux/efi.h>
#include <linux/mutex.h>
@@ -165,22 +164,22 @@ static int ibm_rtl_write(u8 value)
return ret;
}
-static ssize_t rtl_show_version(struct sysdev_class * dev,
- struct sysdev_class_attribute *attr,
+static ssize_t rtl_show_version(struct device *dev,
+ struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "%d\n", (int)ioread8(&rtl_table->version));
}
-static ssize_t rtl_show_state(struct sysdev_class *dev,
- struct sysdev_class_attribute *attr,
+static ssize_t rtl_show_state(struct device *dev,
+ struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "%d\n", ioread8(&rtl_table->rt_status));
}
-static ssize_t rtl_set_state(struct sysdev_class *dev,
- struct sysdev_class_attribute *attr,
+static ssize_t rtl_set_state(struct device *dev,
+ struct device_attribute *attr,
const char *buf,
size_t count)
{
@@ -205,27 +204,28 @@ static ssize_t rtl_set_state(struct sysdev_class *dev,
return ret;
}
-static struct sysdev_class class_rtl = {
+static struct bus_type rtl_subsys = {
.name = "ibm_rtl",
+ .dev_name = "ibm_rtl",
};
-static SYSDEV_CLASS_ATTR(version, S_IRUGO, rtl_show_version, NULL);
-static SYSDEV_CLASS_ATTR(state, 0600, rtl_show_state, rtl_set_state);
+static DEVICE_ATTR(version, S_IRUGO, rtl_show_version, NULL);
+static DEVICE_ATTR(state, 0600, rtl_show_state, rtl_set_state);
-static struct sysdev_class_attribute *rtl_attributes[] = {
- &attr_version,
- &attr_state,
+static struct device_attribute *rtl_attributes[] = {
+ &dev_attr_version,
+ &dev_attr_state,
NULL
};
static int rtl_setup_sysfs(void) {
int ret, i;
- ret = sysdev_class_register(&class_rtl);
+ ret = subsys_system_register(&rtl_subsys, NULL);
if (!ret) {
for (i = 0; rtl_attributes[i]; i ++)
- sysdev_class_create_file(&class_rtl, rtl_attributes[i]);
+ device_create_file(rtl_subsys.dev_root, rtl_attributes[i]);
}
return ret;
}
@@ -233,8 +233,8 @@ static int rtl_setup_sysfs(void) {
static void rtl_teardown_sysfs(void) {
int i;
for (i = 0; rtl_attributes[i]; i ++)
- sysdev_class_remove_file(&class_rtl, rtl_attributes[i]);
- sysdev_class_unregister(&class_rtl);
+ device_remove_file(rtl_subsys.dev_root, rtl_attributes[i]);
+ bus_unregister(&rtl_subsys);
}
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index a36addf106a..ac902f7a9ba 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -368,7 +368,7 @@ static struct attribute *ideapad_attributes[] = {
NULL
};
-static mode_t ideapad_is_visible(struct kobject *kobj,
+static umode_t ideapad_is_visible(struct kobject *kobj,
struct attribute *attr,
int idx)
{
diff --git a/drivers/platform/x86/intel_menlow.c b/drivers/platform/x86/intel_menlow.c
index abddc83e9fd..3271ac85115 100644
--- a/drivers/platform/x86/intel_menlow.c
+++ b/drivers/platform/x86/intel_menlow.c
@@ -389,7 +389,7 @@ static ssize_t bios_enabled_show(struct device *dev,
return sprintf(buf, "%s\n", bios_enabled ? "enabled" : "disabled");
}
-static int intel_menlow_add_one_attribute(char *name, int mode, void *show,
+static int intel_menlow_add_one_attribute(char *name, umode_t mode, void *show,
void *store, struct device *dev,
acpi_handle handle)
{
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index 48870e50423..f00d0d1e065 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -19,7 +19,7 @@
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/init.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
#include <linux/pm.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 7b828680b21..62533c105da 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -297,7 +297,7 @@ struct ibm_init_struct {
char param[32];
int (*init) (struct ibm_init_struct *);
- mode_t base_procfs_mode;
+ umode_t base_procfs_mode;
struct ibm_struct *data;
};
@@ -2456,8 +2456,9 @@ static int hotkey_kthread(void *data)
u32 poll_mask, event_mask;
unsigned int si, so;
unsigned long t;
- unsigned int change_detector, must_reset;
+ unsigned int change_detector;
unsigned int poll_freq;
+ bool was_frozen;
mutex_lock(&hotkey_thread_mutex);
@@ -2488,14 +2489,14 @@ static int hotkey_kthread(void *data)
t = 100; /* should never happen... */
}
t = msleep_interruptible(t);
- if (unlikely(kthread_should_stop()))
+ if (unlikely(kthread_freezable_should_stop(&was_frozen)))
break;
- must_reset = try_to_freeze();
- if (t > 0 && !must_reset)
+
+ if (t > 0 && !was_frozen)
continue;
mutex_lock(&hotkey_thread_data_mutex);
- if (must_reset || hotkey_config_change != change_detector) {
+ if (was_frozen || hotkey_config_change != change_detector) {
/* forget old state on thaw or config change */
si = so;
t = 0;
@@ -2528,10 +2529,6 @@ exit:
static void hotkey_poll_stop_sync(void)
{
if (tpacpi_hotkey_task) {
- if (frozen(tpacpi_hotkey_task) ||
- freezing(tpacpi_hotkey_task))
- thaw_process(tpacpi_hotkey_task);
-
kthread_stop(tpacpi_hotkey_task);
tpacpi_hotkey_task = NULL;
mutex_lock(&hotkey_thread_mutex);
@@ -8542,7 +8539,7 @@ static int __init ibm_init(struct ibm_init_struct *iibm)
"%s installed\n", ibm->name);
if (ibm->read) {
- mode_t mode = iibm->base_procfs_mode;
+ umode_t mode = iibm->base_procfs_mode;
if (!mode)
mode = S_IRUGO;
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 13ef8c37471..dcdc1f4a462 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -121,6 +121,7 @@ struct toshiba_acpi_dev {
int illumination_supported:1;
int video_supported:1;
int fan_supported:1;
+ int system_event_supported:1;
struct mutex mutex;
};
@@ -724,7 +725,7 @@ static int keys_proc_show(struct seq_file *m, void *v)
u32 hci_result;
u32 value;
- if (!dev->key_event_valid) {
+ if (!dev->key_event_valid && dev->system_event_supported) {
hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
if (hci_result == HCI_SUCCESS) {
dev->key_event_valid = 1;
@@ -964,6 +965,8 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev)
/* enable event fifo */
hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
+ if (hci_result == HCI_SUCCESS)
+ dev->system_event_supported = 1;
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
@@ -1032,12 +1035,15 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
{
struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
u32 hci_result, value;
+ int retries = 3;
- if (event != 0x80)
+ if (!dev->system_event_supported || event != 0x80)
return;
+
do {
hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
- if (hci_result == HCI_SUCCESS) {
+ switch (hci_result) {
+ case HCI_SUCCESS:
if (value == 0x100)
continue;
/* act on key press; ignore key release */
@@ -1049,14 +1055,19 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
pr_info("Unknown key %x\n",
value);
}
- } else if (hci_result == HCI_NOT_SUPPORTED) {
+ break;
+ case HCI_NOT_SUPPORTED:
/* This is a workaround for an unresolved issue on
* some machines where system events sporadically
* become disabled. */
hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
pr_notice("Re-enabled hotkeys\n");
+ /* fall through */
+ default:
+ retries--;
+ break;
}
- } while (hci_result != HCI_EMPTY);
+ } while (retries && hci_result != HCI_EMPTY);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-12 16:04:02 +0000