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authorAxel Lin <axel.lin@gmail.com>2011-01-12 16:59:15 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 08:03:05 -0800
commit125c7135251de3aea1429968aea9bdfcb6535fc7 (patch)
treee7f610a5aad18ed24887c0d1a0e71b94eaf603c7
parent2260209c4973e3eeb1e48abaa9e639373a0d4fb7 (diff)
downloadop-kernel-dev-125c7135251de3aea1429968aea9bdfcb6535fc7.zip
op-kernel-dev-125c7135251de3aea1429968aea9bdfcb6535fc7.tar.gz
leds: leds-pca9532 cleanups
- Remove unneeded input_free_device() after input_unregister_device(). - Add pca9532_destroy_devices() function for destroy devices. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Dmitry Torokhov <dtor@mail.ru> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/leds/leds-pca9532.c66
1 files changed, 28 insertions, 38 deletions
diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c
index 43d0875..afac338 100644
--- a/drivers/leds/leds-pca9532.c
+++ b/drivers/leds/leds-pca9532.c
@@ -200,6 +200,32 @@ static void pca9532_led_work(struct work_struct *work)
pca9532_setled(led);
}
+static void pca9532_destroy_devices(struct pca9532_data *data, int n_devs)
+{
+ int i = n_devs;
+
+ if (!data)
+ return;
+
+ while (--i >= 0) {
+ switch (data->leds[i].type) {
+ case PCA9532_TYPE_NONE:
+ break;
+ case PCA9532_TYPE_LED:
+ led_classdev_unregister(&data->leds[i].ldev);
+ cancel_work_sync(&data->leds[i].work);
+ break;
+ case PCA9532_TYPE_N2100_BEEP:
+ if (data->idev != NULL) {
+ input_unregister_device(data->idev);
+ cancel_work_sync(&data->work);
+ data->idev = NULL;
+ }
+ break;
+ }
+ }
+}
+
static int pca9532_configure(struct i2c_client *client,
struct pca9532_data *data, struct pca9532_platform_data *pdata)
{
@@ -274,25 +300,7 @@ static int pca9532_configure(struct i2c_client *client,
return 0;
exit:
- if (i > 0)
- for (i = i - 1; i >= 0; i--)
- switch (data->leds[i].type) {
- case PCA9532_TYPE_NONE:
- break;
- case PCA9532_TYPE_LED:
- led_classdev_unregister(&data->leds[i].ldev);
- cancel_work_sync(&data->leds[i].work);
- break;
- case PCA9532_TYPE_N2100_BEEP:
- if (data->idev != NULL) {
- input_unregister_device(data->idev);
- input_free_device(data->idev);
- cancel_work_sync(&data->work);
- data->idev = NULL;
- }
- break;
- }
-
+ pca9532_destroy_devices(data, i);
return err;
}
@@ -329,25 +337,7 @@ static int pca9532_probe(struct i2c_client *client,
static int pca9532_remove(struct i2c_client *client)
{
struct pca9532_data *data = i2c_get_clientdata(client);
- int i;
- for (i = 0; i < 16; i++)
- switch (data->leds[i].type) {
- case PCA9532_TYPE_NONE:
- break;
- case PCA9532_TYPE_LED:
- led_classdev_unregister(&data->leds[i].ldev);
- cancel_work_sync(&data->leds[i].work);
- break;
- case PCA9532_TYPE_N2100_BEEP:
- if (data->idev != NULL) {
- input_unregister_device(data->idev);
- input_free_device(data->idev);
- cancel_work_sync(&data->work);
- data->idev = NULL;
- }
- break;
- }
-
+ pca9532_destroy_devices(data, 16);
kfree(data);
return 0;
}
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