From: Andrew Lunn <[email protected]>

Now the core implements the work queue, remove it from the drivers.

Signed-off-by: Andrew Lunn <[email protected]>
Cc: Daniel Mack <[email protected]>
Signed-off-by: Jacek Anaszewski <[email protected]>
---
 drivers/leds/leds-lt3593.c |   29 ++++++++---------------------
 1 file changed, 8 insertions(+), 21 deletions(-)

diff --git a/drivers/leds/leds-lt3593.c b/drivers/leds/leds-lt3593.c
index 9f41124..ccd6589 100644
--- a/drivers/leds/leds-lt3593.c
+++ b/drivers/leds/leds-lt3593.c
@@ -19,7 +19,6 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/leds.h>
-#include <linux/workqueue.h>
 #include <linux/delay.h>
 #include <linux/gpio.h>
 #include <linux/slab.h>
@@ -28,15 +27,14 @@
 struct lt3593_led_data {
        struct led_classdev cdev;
        unsigned gpio;
-       struct work_struct work;
-       u8 new_level;
 };
 
-static void lt3593_led_work(struct work_struct *work)
+static void lt3593_led_set(struct led_classdev *led_cdev,
+                          enum led_brightness value)
 {
-       int pulses;
        struct lt3593_led_data *led_dat =
-               container_of(work, struct lt3593_led_data, work);
+               container_of(led_cdev, struct lt3593_led_data, cdev);
+       int pulses;
 
        /*
         * The LT3593 resets its internal current level register to the maximum
@@ -47,12 +45,12 @@ static void lt3593_led_work(struct work_struct *work)
         * applied is to the output driver.
         */
 
-       if (led_dat->new_level == 0) {
+       if (value == 0) {
                gpio_set_value_cansleep(led_dat->gpio, 0);
                return;
        }
 
-       pulses = 32 - (led_dat->new_level * 32) / 255;
+       pulses = 32 - (value * 32) / 255;
 
        if (pulses == 0) {
                gpio_set_value_cansleep(led_dat->gpio, 0);
@@ -71,16 +69,6 @@ static void lt3593_led_work(struct work_struct *work)
        }
 }
 
-static void lt3593_led_set(struct led_classdev *led_cdev,
-       enum led_brightness value)
-{
-       struct lt3593_led_data *led_dat =
-               container_of(led_cdev, struct lt3593_led_data, cdev);
-
-       led_dat->new_level = value;
-       schedule_work(&led_dat->work);
-}
-
 static int create_lt3593_led(const struct gpio_led *template,
        struct lt3593_led_data *led_dat, struct device *parent)
 {
@@ -105,14 +93,14 @@ static int create_lt3593_led(const struct gpio_led 
*template,
        if (!template->retain_state_suspended)
                led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
 
+       led_dat->cdev.flags |= LED_BRIGHTNESS_BLOCKING;
+
        ret = devm_gpio_request_one(parent, template->gpio, state ?
                                    GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
                                    template->name);
        if (ret < 0)
                return ret;
 
-       INIT_WORK(&led_dat->work, lt3593_led_work);
-
        ret = led_classdev_register(parent, &led_dat->cdev);
        if (ret < 0)
                return ret;
@@ -129,7 +117,6 @@ static void delete_lt3593_led(struct lt3593_led_data *led)
                return;
 
        led_classdev_unregister(&led->cdev);
-       cancel_work_sync(&led->work);
 }
 
 static int lt3593_led_probe(struct platform_device *pdev)
-- 
1.7.9.5

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