[PATCH/RFC v5 12/57] leds: tlc591xx: Remove work queue
From: Jacek Anaszewski
Date: Tue Aug 11 2015 - 05:52:32 EST
From: Andrew Lunn <andrew@xxxxxxx>
Now the core implements the work queue, remove it from the driver.
Signed-off-by: Andrew Lunn <andrew@xxxxxxx>
Signed-off-by: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>
---
drivers/leds/leds-tlc591xx.c | 25 +++++--------------------
1 file changed, 5 insertions(+), 20 deletions(-)
diff --git a/drivers/leds/leds-tlc591xx.c b/drivers/leds/leds-tlc591xx.c
index b806eca..f7e6711 100644
--- a/drivers/leds/leds-tlc591xx.c
+++ b/drivers/leds/leds-tlc591xx.c
@@ -14,7 +14,6 @@
#include <linux/of_device.h>
#include <linux/regmap.h>
#include <linux/slab.h>
-#include <linux/workqueue.h>
#define TLC591XX_MAX_LEDS 16
@@ -42,13 +41,11 @@
#define LEDOUT_MASK 0x3
#define ldev_to_led(c) container_of(c, struct tlc591xx_led, ldev)
-#define work_to_led(work) container_of(work, struct tlc591xx_led, work)
struct tlc591xx_led {
bool active;
unsigned int led_no;
struct led_classdev ldev;
- struct work_struct work;
struct tlc591xx_priv *priv;
};
@@ -111,11 +108,11 @@ tlc591xx_set_pwm(struct tlc591xx_priv *priv, struct tlc591xx_led *led,
}
static void
-tlc591xx_led_work(struct work_struct *work)
+tlc591xx_brightness_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
{
- struct tlc591xx_led *led = work_to_led(work);
+ struct tlc591xx_led *led = ldev_to_led(led_cdev);
struct tlc591xx_priv *priv = led->priv;
- enum led_brightness brightness = led->ldev.brightness;
int err;
switch (brightness) {
@@ -136,25 +133,13 @@ tlc591xx_led_work(struct work_struct *work)
}
static void
-tlc591xx_brightness_set(struct led_classdev *led_cdev,
- enum led_brightness brightness)
-{
- struct tlc591xx_led *led = ldev_to_led(led_cdev);
-
- led->ldev.brightness = brightness;
- schedule_work(&led->work);
-}
-
-static void
tlc591xx_destroy_devices(struct tlc591xx_priv *priv, unsigned int j)
{
int i = j;
while (--i >= 0) {
- if (priv->leds[i].active) {
+ if (priv->leds[i].active)
led_classdev_unregister(&priv->leds[i].ldev);
- cancel_work_sync(&priv->leds[i].work);
- }
}
}
@@ -177,7 +162,7 @@ tlc591xx_configure(struct device *dev,
led->led_no = i;
led->ldev.brightness_set = tlc591xx_brightness_set;
led->ldev.max_brightness = LED_FULL;
- INIT_WORK(&led->work, tlc591xx_led_work);
+ led->ldev.flags |= LED_BRIGHTNESS_BLOCKING;
err = led_classdev_register(dev, &led->ldev);
if (err < 0) {
dev_err(dev, "couldn't register LED %s\n",
--
1.7.9.5
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/