[PATCH/RFC v5 15/57] leds: bd2802: Remove work queue

From: Jacek Anaszewski
Date: Tue Aug 11 2015 - 05:51:52 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>
Cc: Kim Kyuwon <q1.kim@xxxxxxxxxxx>
Signed-off-by: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>
---
drivers/leds/leds-bd2802.c | 32 +++++++++++++-------------------
1 file changed, 13 insertions(+), 19 deletions(-)

diff --git a/drivers/leds/leds-bd2802.c b/drivers/leds/leds-bd2802.c
index 6078c15d..9d1535a 100644
--- a/drivers/leds/leds-bd2802.c
+++ b/drivers/leds/leds-bd2802.c
@@ -72,7 +72,6 @@ struct bd2802_led {
struct bd2802_led_platform_data *pdata;
struct i2c_client *client;
struct rw_semaphore rwsem;
- struct work_struct work;

struct led_state led[2];

@@ -518,16 +517,6 @@ static struct device_attribute *bd2802_attributes[] = {
&bd2802_rgb_current_attr,
};

-static void bd2802_led_work(struct work_struct *work)
-{
- struct bd2802_led *led = container_of(work, struct bd2802_led, work);
-
- if (led->state)
- bd2802_turn_on(led, led->led_id, led->color, led->state);
- else
- bd2802_turn_off(led, led->led_id, led->color);
-}
-
#define BD2802_CONTROL_RGBS(name, id, clr) \
static void bd2802_set_##name##_brightness(struct led_classdev *led_cdev,\
enum led_brightness value) \
@@ -536,11 +525,13 @@ static void bd2802_set_##name##_brightness(struct led_classdev *led_cdev,\
container_of(led_cdev, struct bd2802_led, cdev_##name); \
led->led_id = id; \
led->color = clr; \
- if (value == LED_OFF) \
+ if (value == LED_OFF) { \
led->state = BD2802_OFF; \
- else \
+ bd2802_turn_off(led, led->led_id, led->color); \
+ } else { \
led->state = BD2802_ON; \
- schedule_work(&led->work); \
+ bd2802_turn_on(led, led->led_id, led->color, BD2802_ON);\
+ } \
} \
static int bd2802_set_##name##_blink(struct led_classdev *led_cdev, \
unsigned long *delay_on, unsigned long *delay_off) \
@@ -552,7 +543,7 @@ static int bd2802_set_##name##_blink(struct led_classdev *led_cdev, \
led->led_id = id; \
led->color = clr; \
led->state = BD2802_BLINK; \
- schedule_work(&led->work); \
+ bd2802_turn_on(led, led->led_id, led->color, BD2802_BLINK); \
return 0; \
}

@@ -567,12 +558,11 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
{
int ret;

- INIT_WORK(&led->work, bd2802_led_work);
-
led->cdev_led1r.name = "led1_R";
led->cdev_led1r.brightness = LED_OFF;
led->cdev_led1r.brightness_set = bd2802_set_led1r_brightness;
led->cdev_led1r.blink_set = bd2802_set_led1r_blink;
+ led->cdev_led1r.flags |= LED_BRIGHTNESS_BLOCKING;

ret = led_classdev_register(&led->client->dev, &led->cdev_led1r);
if (ret < 0) {
@@ -585,6 +575,7 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
led->cdev_led1g.brightness = LED_OFF;
led->cdev_led1g.brightness_set = bd2802_set_led1g_brightness;
led->cdev_led1g.blink_set = bd2802_set_led1g_blink;
+ led->cdev_led1g.flags |= LED_BRIGHTNESS_BLOCKING;

ret = led_classdev_register(&led->client->dev, &led->cdev_led1g);
if (ret < 0) {
@@ -597,6 +588,7 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
led->cdev_led1b.brightness = LED_OFF;
led->cdev_led1b.brightness_set = bd2802_set_led1b_brightness;
led->cdev_led1b.blink_set = bd2802_set_led1b_blink;
+ led->cdev_led1b.flags |= LED_BRIGHTNESS_BLOCKING;

ret = led_classdev_register(&led->client->dev, &led->cdev_led1b);
if (ret < 0) {
@@ -609,6 +601,7 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
led->cdev_led2r.brightness = LED_OFF;
led->cdev_led2r.brightness_set = bd2802_set_led2r_brightness;
led->cdev_led2r.blink_set = bd2802_set_led2r_blink;
+ led->cdev_led2r.flags |= LED_BRIGHTNESS_BLOCKING;

ret = led_classdev_register(&led->client->dev, &led->cdev_led2r);
if (ret < 0) {
@@ -621,6 +614,7 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
led->cdev_led2g.brightness = LED_OFF;
led->cdev_led2g.brightness_set = bd2802_set_led2g_brightness;
led->cdev_led2g.blink_set = bd2802_set_led2g_blink;
+ led->cdev_led2g.flags |= LED_BRIGHTNESS_BLOCKING;

ret = led_classdev_register(&led->client->dev, &led->cdev_led2g);
if (ret < 0) {
@@ -633,7 +627,8 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
led->cdev_led2b.brightness = LED_OFF;
led->cdev_led2b.brightness_set = bd2802_set_led2b_brightness;
led->cdev_led2b.blink_set = bd2802_set_led2b_blink;
- led->cdev_led2b.flags |= LED_CORE_SUSPENDRESUME;
+ led->cdev_led2b.flags |= LED_CORE_SUSPENDRESUME |
+ LED_BRIGHTNESS_BLOCKING;

ret = led_classdev_register(&led->client->dev, &led->cdev_led2b);
if (ret < 0) {
@@ -661,7 +656,6 @@ failed_unregister_led1_R:

static void bd2802_unregister_led_classdev(struct bd2802_led *led)
{
- cancel_work_sync(&led->work);
led_classdev_unregister(&led->cdev_led2b);
led_classdev_unregister(&led->cdev_led2g);
led_classdev_unregister(&led->cdev_led2r);
--
1.7.9.5

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