linux-kernel - [PATCH/RFC 07/51] leds: tlc591xx: Remove work queue

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Message-id: <1437122857-6765-8-git-send-email-j.anaszewski@samsung.com>
Date:	Fri, 17 Jul 2015 10:46:53 +0200
From:	Jacek Anaszewski <j.anaszewski@...sung.com>
To:	linux-leds@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, cooloney@...il.com,
	rpurdie@...ys.net, stsp@...rs.sourceforge.net,
	Andrew Lunn <andrew@...n.ch>
Subject: [PATCH/RFC 07/51] leds: tlc591xx: Remove work queue

From: Andrew Lunn <andrew@...n.ch>

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

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/leds/leds-tlc591xx.c |   24 ++++--------------------
 1 file changed, 4 insertions(+), 20 deletions(-)

diff --git a/drivers/leds/leds-tlc591xx.c b/drivers/leds/leds-tlc591xx.c
index de16c29..b10c425 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 +162,6 @@ 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);
 		err = led_classdev_register(dev, &led->ldev);
 		if (err < 0) {
 			dev_err(dev, "couldn't register LED %s\n",
-- 
1.7.9.5

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