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path: root/drivers/platform/x86/fujitsu-laptop.c
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Diffstat (limited to 'drivers/platform/x86/fujitsu-laptop.c')
-rw-r--r--drivers/platform/x86/fujitsu-laptop.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index bcd4ba8be7db..5f3320d468f6 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -164,7 +164,7 @@ struct fujitsu_hotkey_t {
struct input_dev *input;
char phys[32];
struct platform_device *pf_device;
- struct kfifo *fifo;
+ struct kfifo fifo;
spinlock_t fifo_lock;
int rfkill_supported;
int rfkill_state;
@@ -376,8 +376,8 @@ static int get_lcd_level(void)
status =
acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state);
- if (status < 0)
- return status;
+ if (ACPI_FAILURE(status))
+ return 0;
fujitsu->brightness_level = state & 0x0fffffff;
@@ -398,8 +398,8 @@ static int get_max_brightness(void)
status =
acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state);
- if (status < 0)
- return status;
+ if (ACPI_FAILURE(status))
+ return -1;
fujitsu->max_brightness = state;
@@ -824,12 +824,10 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
/* kfifo */
spin_lock_init(&fujitsu_hotkey->fifo_lock);
- fujitsu_hotkey->fifo =
- kfifo_alloc(RINGBUFFERSIZE * sizeof(int), GFP_KERNEL,
- &fujitsu_hotkey->fifo_lock);
- if (IS_ERR(fujitsu_hotkey->fifo)) {
+ error = kfifo_alloc(&fujitsu_hotkey->fifo, RINGBUFFERSIZE * sizeof(int),
+ GFP_KERNEL);
+ if (error) {
printk(KERN_ERR "kfifo_alloc failed\n");
- error = PTR_ERR(fujitsu_hotkey->fifo);
goto err_stop;
}
@@ -934,7 +932,7 @@ err_unregister_input_dev:
err_free_input_dev:
input_free_device(input);
err_free_fifo:
- kfifo_free(fujitsu_hotkey->fifo);
+ kfifo_free(&fujitsu_hotkey->fifo);
err_stop:
return result;
}
@@ -956,7 +954,7 @@ static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
input_free_device(input);
- kfifo_free(fujitsu_hotkey->fifo);
+ kfifo_free(&fujitsu_hotkey->fifo);
fujitsu_hotkey->acpi_handle = NULL;
@@ -1008,9 +1006,10 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
vdbg_printk(FUJLAPTOP_DBG_TRACE,
"Push keycode into ringbuffer [%d]\n",
keycode);
- status = kfifo_put(fujitsu_hotkey->fifo,
+ status = kfifo_in_locked(&fujitsu_hotkey->fifo,
(unsigned char *)&keycode,
- sizeof(keycode));
+ sizeof(keycode),
+ &fujitsu_hotkey->fifo_lock);
if (status != sizeof(keycode)) {
vdbg_printk(FUJLAPTOP_DBG_WARN,
"Could not push keycode [0x%x]\n",
@@ -1021,11 +1020,12 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
}
} else if (keycode == 0) {
while ((status =
- kfifo_get
- (fujitsu_hotkey->fifo, (unsigned char *)
- &keycode_r,
- sizeof
- (keycode_r))) == sizeof(keycode_r)) {
+ kfifo_out_locked(
+ &fujitsu_hotkey->fifo,
+ (unsigned char *) &keycode_r,
+ sizeof(keycode_r),
+ &fujitsu_hotkey->fifo_lock))
+ == sizeof(keycode_r)) {
input_report_key(input, keycode_r, 0);
input_sync(input);
vdbg_printk(FUJLAPTOP_DBG_TRACE,