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authorZhang Qilong <zhangqilong3@huawei.com>2022-09-24 15:13:08 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-10-26 14:25:21 +0300
commit9da61e7b5993ec5442b61254246a4b7944a04262 (patch)
treeace955c38222a7d64286ae87efc8abb238c87ed1 /drivers/spi
parent1ef5798638bd2389c25ff784fb4c64e2cd2ec077 (diff)
downloadlinux-9da61e7b5993ec5442b61254246a4b7944a04262.tar.xz
spi: dw: Fix PM disable depth imbalance in dw_spi_bt1_probe
[ Upstream commit 618d815fc93477b1675878f3c04ff32657cc18b4 ] The pm_runtime_enable will increase power disable depth. Thus a pairing decrement is needed on the error handling path to keep it balanced according to context. Fixes:abf00907538e2 ("spi: dw: Add Baikal-T1 SPI Controller glue driver") Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com> Link: https://lore.kernel.org/r/20220924121310.78331-3-zhangqilong3@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-dw-bt1.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/spi/spi-dw-bt1.c b/drivers/spi/spi-dw-bt1.c
index bc9d5eab3c58..8f6a1af14456 100644
--- a/drivers/spi/spi-dw-bt1.c
+++ b/drivers/spi/spi-dw-bt1.c
@@ -293,8 +293,10 @@ static int dw_spi_bt1_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
ret = dw_spi_add_host(&pdev->dev, dws);
- if (ret)
+ if (ret) {
+ pm_runtime_disable(&pdev->dev);
goto err_disable_clk;
+ }
platform_set_drvdata(pdev, dwsbt1);