linux-kernel - [PATCH/RFC v5 14/57] leds: adp5520: Remove work queue

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Message-id: <1439285890-27329-15-git-send-email-j.anaszewski@samsung.com>
Date:	Tue, 11 Aug 2015 11:37:27 +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>,
	Michael Hennerich <michael.hennerich@...log.com>,
	Jacek Anaszewski <j.anaszewski@...sung.com>
Subject: [PATCH/RFC v5 14/57] leds: adp5520: 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>
Cc: Michael Hennerich <michael.hennerich@...log.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@...sung.com>
---
 drivers/leds/leds-adp5520.c |   23 ++++-------------------
 1 file changed, 4 insertions(+), 19 deletions(-)

diff --git a/drivers/leds/leds-adp5520.c b/drivers/leds/leds-adp5520.c
index 07e66ca..d09f742 100644
--- a/drivers/leds/leds-adp5520.c
+++ b/drivers/leds/leds-adp5520.c
@@ -17,34 +17,24 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/leds.h>
-#include <linux/workqueue.h>
 #include <linux/mfd/adp5520.h>
 #include <linux/slab.h>
 
 struct adp5520_led {
 	struct led_classdev	cdev;
-	struct work_struct	work;
 	struct device		*master;
-	enum led_brightness	new_brightness;
 	int			id;
 	int			flags;
 };
 
-static void adp5520_led_work(struct work_struct *work)
-{
-	struct adp5520_led *led = container_of(work, struct adp5520_led, work);
-	adp5520_write(led->master, ADP5520_LED1_CURRENT + led->id - 1,
-			 led->new_brightness >> 2);
-}
-
 static void adp5520_led_set(struct led_classdev *led_cdev,
 			   enum led_brightness value)
 {
 	struct adp5520_led *led;
 
 	led = container_of(led_cdev, struct adp5520_led, cdev);
-	led->new_brightness = value;
-	schedule_work(&led->work);
+	adp5520_write(led->master, ADP5520_LED1_CURRENT + led->id - 1,
+			 value >> 2);
 }
 
 static int adp5520_led_setup(struct adp5520_led *led)
@@ -137,6 +127,7 @@ static int adp5520_led_probe(struct platform_device *pdev)
 		led_dat->cdev.default_trigger = cur_led->default_trigger;
 		led_dat->cdev.brightness_set = adp5520_led_set;
 		led_dat->cdev.brightness = LED_OFF;
+		led_dat->cdev.flags |= LED_BRIGHTNESS_BLOCKING;
 
 		if (cur_led->flags & ADP5520_FLAG_LED_MASK)
 			led_dat->flags = cur_led->flags;
@@ -146,9 +137,6 @@ static int adp5520_led_probe(struct platform_device *pdev)
 		led_dat->id = led_dat->flags & ADP5520_FLAG_LED_MASK;
 
 		led_dat->master = pdev->dev.parent;
-		led_dat->new_brightness = LED_OFF;
-
-		INIT_WORK(&led_dat->work, adp5520_led_work);
 
 		ret = led_classdev_register(led_dat->master, &led_dat->cdev);
 		if (ret) {
@@ -170,10 +158,8 @@ static int adp5520_led_probe(struct platform_device *pdev)
 
 err:
 	if (i > 0) {
-		for (i = i - 1; i >= 0; i--) {
+		for (i = i - 1; i >= 0; i--)
 			led_classdev_unregister(&led[i].cdev);
-			cancel_work_sync(&led[i].work);
-		}
 	}
 
 	return ret;
@@ -192,7 +178,6 @@ static int adp5520_led_remove(struct platform_device *pdev)
 
 	for (i = 0; i < pdata->num_leds; i++) {
 		led_classdev_unregister(&led[i].cdev);
-		cancel_work_sync(&led[i].work);
 	}
 
 	return 0;
-- 
1.7.9.5

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