From: Andrew Lunn <andrew@xxxxxxx>
Now the core implements the work queue, remove it from the drivers.
Signed-off-by: Andrew Lunn <andrew@xxxxxxx>
Cc: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
---
drivers/leds/leds-dac124s085.c | 33 ++++++---------------------------
1 file changed, 6 insertions(+), 27 deletions(-)
diff --git a/drivers/leds/leds-dac124s085.c b/drivers/leds/leds-dac124s085.c
index db3ba8b..2316620 100644
--- a/drivers/leds/leds-dac124s085.c
+++ b/drivers/leds/leds-dac124s085.c
@@ -13,20 +13,15 @@
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/workqueue.h>
#include <linux/spi/spi.h>
struct dac124s085_led {
struct led_classdev ldev;
struct spi_device *spi;
int id;
- int brightness;
char name[sizeof("dac124s085-3")];
struct mutex mutex;
- struct work_struct work;
- spinlock_t lock;
};
struct dac124s085 {
@@ -38,31 +33,20 @@ struct dac124s085 {
#define ALL_WRITE_UPDATE (2 << 12)
#define POWER_DOWN_OUTPUT (3 << 12)
-static void dac124s085_led_work(struct work_struct *work)
+static void dac124s085_set_brightness(struct led_classdev *ldev,
+ enum led_brightness brightness)
{
- struct dac124s085_led *led = container_of(work, struct dac124s085_led,
- work);
+ struct dac124s085_led *led = container_of(ldev, struct dac124s085_led,
+ ldev);
u16 word;
mutex_lock(&led->mutex);
word = cpu_to_le16(((led->id) << 14) | REG_WRITE_UPDATE |
- (led->brightness & 0xfff));
+ (brightness & 0xfff));
spi_write(led->spi, (const u8 *)&word, sizeof(word));
mutex_unlock(&led->mutex);
}
-static void dac124s085_set_brightness(struct led_classdev *ldev,
- enum led_brightness brightness)
-{
- struct dac124s085_led *led = container_of(ldev, struct dac124s085_led,
- ldev);
-
- spin_lock(&led->lock);
- led->brightness = brightness;
- schedule_work(&led->work);
- spin_unlock(&led->lock);
-}
-
static int dac124s085_probe(struct spi_device *spi)
{
struct dac124s085 *dac;
@@ -78,11 +62,8 @@ static int dac124s085_probe(struct spi_device *spi)
for (i = 0; i < ARRAY_SIZE(dac->leds); i++) {
led = dac->leds + i;
led->id = i;
- led->brightness = LED_OFF;
led->spi = spi;
snprintf(led->name, sizeof(led->name), "dac124s085-%d", i);
- spin_lock_init(&led->lock);
- INIT_WORK(&led->work, dac124s085_led_work);
mutex_init(&led->mutex);
led->ldev.name = led->name;
led->ldev.brightness = LED_OFF;
@@ -109,10 +90,8 @@ static int dac124s085_remove(struct spi_device *spi)
struct dac124s085 *dac = spi_get_drvdata(spi);
int i;
- for (i = 0; i < ARRAY_SIZE(dac->leds); i++) {
+ for (i = 0; i < ARRAY_SIZE(dac->leds); i++)
led_classdev_unregister(&dac->leds[i].ldev);
- cancel_work_sync(&dac->leds[i].work);
- }
return 0;
}
--
1.7.9.5
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