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| author | Chen Ni <nichen@iscas.ac.cn> | 2024-05-15 16:40:28 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-05-27 01:33:39 +0100 |
| commit | ef901b38d3a4610c4067cd306c1a209f32e7ca31 (patch) | |
| tree | 111eaf4ade26b38c7018b6b724e9305534e25251 /drivers/spi/atmel-quadspi.c | |
| parent | 61cabbd5ef7625fe5ece4aa16ccc21c91bc2fc8f (diff) | |
| download | lwn-ef901b38d3a4610c4067cd306c1a209f32e7ca31.tar.gz lwn-ef901b38d3a4610c4067cd306c1a209f32e7ca31.zip | |
spi: atmel-quadspi: Add missing check for clk_prepare
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>
Diffstat (limited to 'drivers/spi/atmel-quadspi.c')
| -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 370c4d1572ed..5aaff3bee1b7 100644 --- a/drivers/spi/atmel-quadspi.c +++ b/drivers/spi/atmel-quadspi.c @@ -756,8 +756,15 @@ 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) |