The patch titled
Subject: drivers/video/backlight/pwm_bl.c: use devm_pwm_get()
has been added to the -mm tree. Its filename is
drivers-video-backlight-pwm_blc-use-devm_pwm_get.patch
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------------------------------------------------------
From: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
Subject: drivers/video/backlight/pwm_bl.c: use devm_pwm_get()
This file already makes use of device managed functions. Convert
pwm_get() to use it as well.
Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
Acked-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxxxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/backlight/pwm_bl.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff -puN drivers/video/backlight/pwm_bl.c~drivers-video-backlight-pwm_blc-use-devm_pwm_get drivers/video/backlight/pwm_bl.c
--- a/drivers/video/backlight/pwm_bl.c~drivers-video-backlight-pwm_blc-use-devm_pwm_get
+++ a/drivers/video/backlight/pwm_bl.c
@@ -218,7 +218,7 @@ static int pwm_backlight_probe(struct pl
pb->exit = data->exit;
pb->dev = &pdev->dev;
- pb->pwm = pwm_get(&pdev->dev, NULL);
+ pb->pwm = devm_pwm_get(&pdev->dev, NULL);
if (IS_ERR(pb->pwm)) {
dev_err(&pdev->dev, "unable to request PWM, trying legacy API\n");
@@ -251,7 +251,7 @@ static int pwm_backlight_probe(struct pl
if (IS_ERR(bl)) {
dev_err(&pdev->dev, "failed to register backlight\n");
ret = PTR_ERR(bl);
- goto err_bl;
+ goto err_alloc;
}
bl->props.brightness = data->dft_brightness;
@@ -260,8 +260,6 @@ static int pwm_backlight_probe(struct pl
platform_set_drvdata(pdev, bl);
return 0;
-err_bl:
- pwm_put(pb->pwm);
err_alloc:
if (data->exit)
data->exit(&pdev->dev);
@@ -276,7 +274,6 @@ static int pwm_backlight_remove(struct p
backlight_device_unregister(bl);
pwm_config(pb->pwm, 0, pb->period);
pwm_disable(pb->pwm);
- pwm_put(pb->pwm);
if (pb->exit)
pb->exit(&pdev->dev);
return 0;
_
Patches currently in -mm which might be from sachin.kamat@xxxxxxxxxx are
linux-next.patch
mm-hugetlbc-remove-duplicate-inclusion-of-header-file.patch
drivers-video-backlight-da9052_blc-use-usleep_range-instead-of-msleep-for-small-sleeps.patch
drivers-video-backlight-ltv350qvc-use-usleep_range-instead-of-msleep-for-small-sleeps.patch
drivers-video-backlight-kb3886_blc-use-usleep_range-instead-of-msleep-for-small-sleeps.patch
drivers-video-backlight-pwm_blc-use-devm_pwm_get.patch
proc-use-null-instead-of-0-for-pointer.patch
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