6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Chen Ni <nichen@xxxxxxxxxxx>
[ 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@xxxxxxxxxxx>
Link: https://msgid.link/r/20240515084028.3210406-1-nichen@xxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/spi/atmel-quadspi.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c
index 3d1252566134b..4cc4f32ca4490 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)
--
2.43.0
