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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-03-03 21:54:40 +0300
committerThierry Reding <thierry.reding@gmail.com>2023-03-30 17:26:37 +0300
commit0bda6b0187fd57761bbe4cc6101f2297b01b90fb (patch)
tree93e0fcadb0c3cab32af2175ffe946c63c50977f4 /drivers/pwm
parent000b97ab8737ed0e7f4a20b493749e2a21dfef1a (diff)
downloadlinux-0bda6b0187fd57761bbe4cc6101f2297b01b90fb.tar.xz
pwm: sun4i: Convert to platform remove callback returning void
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is (mostly) ignored and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/pwm-sun4i.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c
index b973da73e9ab..a8790a8fc53e 100644
--- a/drivers/pwm/pwm-sun4i.c
+++ b/drivers/pwm/pwm-sun4i.c
@@ -477,7 +477,7 @@ err_bus:
return ret;
}
-static int sun4i_pwm_remove(struct platform_device *pdev)
+static void sun4i_pwm_remove(struct platform_device *pdev)
{
struct sun4i_pwm_chip *sun4ichip = platform_get_drvdata(pdev);
@@ -485,8 +485,6 @@ static int sun4i_pwm_remove(struct platform_device *pdev)
clk_disable_unprepare(sun4ichip->bus_clk);
reset_control_assert(sun4ichip->rst);
-
- return 0;
}
static struct platform_driver sun4i_pwm_driver = {
@@ -495,7 +493,7 @@ static struct platform_driver sun4i_pwm_driver = {
.of_match_table = sun4i_pwm_dt_ids,
},
.probe = sun4i_pwm_probe,
- .remove = sun4i_pwm_remove,
+ .remove_new = sun4i_pwm_remove,
};
module_platform_driver(sun4i_pwm_driver);