This is a note to let you know that I've just added the patch titled
mfd: arizona: Use pm_runtime_resume_and_get() to prevent refcnt leak
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mfd-arizona-use-pm_runtime_resume_and_get-to-prevent.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c23e8556c7ffade6ddaf92ea597f5a205fb43af3
Author: Liang He <windhl@xxxxxxx>
Date: Thu Jan 5 14:10:55 2023 +0800
mfd: arizona: Use pm_runtime_resume_and_get() to prevent refcnt leak
[ Upstream commit 4414a7ab80cebf715045e3c4d465feefbad21139 ]
In arizona_clk32k_enable(), we should use pm_runtime_resume_and_get()
as pm_runtime_get_sync() will increase the refcnt even when it
returns an error.
Signed-off-by: Liang He <windhl@xxxxxxx>
Acked-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230105061055.1509261-1-windhl@xxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 3ff872c205eeb..07d256e6875c0 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -45,7 +45,7 @@ int arizona_clk32k_enable(struct arizona *arizona)
if (arizona->clk32k_ref == 1) {
switch (arizona->pdata.clk32k_src) {
case ARIZONA_32KZ_MCLK1:
- ret = pm_runtime_get_sync(arizona->dev);
+ ret = pm_runtime_resume_and_get(arizona->dev);
if (ret != 0)
goto err_ref;
ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK1]);
