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| author | Chen Ni <nichen@iscas.ac.cn> | 2024-05-15 16:40:28 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-08-03 08:48:52 +0200 |
| commit | 06069d931cfad6179ddcb8554ecc00a4ea6460e7 (patch) | |
| tree | 5a44154e8136baffe9feb3d607ff15750a8a35c7 /drivers | |
| parent | c775eec144eba0210e83d52863c782e0ee86d7a7 (diff) | |
| download | linux-06069d931cfad6179ddcb8554ecc00a4ea6460e7.tar.gz linux-06069d931cfad6179ddcb8554ecc00a4ea6460e7.tar.bz2 linux-06069d931cfad6179ddcb8554ecc00a4ea6460e7.zip | |
spi: atmel-quadspi: Add missing check for clk_prepare
[ Upstream commit ef901b38d3a4610c4067cd306c1a209f32e7ca31 ]
Add check for the return value of clk_prepare() and return the error if
it fails in order to catch the error.
Fixes: 4a2f83b7f780 ("spi: atmel-quadspi: add runtime pm support")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://msgid.link/r/20240515084028.3210406-1-nichen@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/atmel-quadspi.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c index 7e05b48dbd71..1f1aee28b1f7 100644 --- a/drivers/spi/atmel-quadspi.c +++ b/drivers/spi/atmel-quadspi.c @@ -724,8 +724,15 @@ static int __maybe_unused atmel_qspi_resume(struct device *dev) struct atmel_qspi *aq = spi_controller_get_devdata(ctrl); int ret; - clk_prepare(aq->pclk); - clk_prepare(aq->qspick); + ret = clk_prepare(aq->pclk); + if (ret) + return ret; + + ret = clk_prepare(aq->qspick); + if (ret) { + clk_unprepare(aq->pclk); + return ret; + } ret = pm_runtime_force_resume(dev); if (ret < 0) |