2022-08-25 07:08:16

by Xu Qiang

[permalink] [raw]
Subject: [PATCH -next 2/2] spi: qup: add missing clk_disable_unprepare on error in spi_qup_pm_resume_runtime()

Add the missing clk_disable_unprepare() before return
from spi_qup_pm_resume_runtime() in the error handling case.

Fixes: dae1a7700b34 (“spi: qup: Handle clocks in pm_runtime suspend and resume”)
Signed-off-by: Xu Qiang <[email protected]>
---
drivers/spi/spi-qup.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index ae4e67f152ec..7d89510dc3f0 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -1198,8 +1198,10 @@ static int spi_qup_pm_resume_runtime(struct device *device)
return ret;

ret = clk_prepare_enable(controller->cclk);
- if (ret)
+ if (ret) {
+ clk_disable_unprepare(controller->iclk);
return ret;
+ }

/* Disable clocks auto gaiting */
config = readl_relaxed(controller->base + QUP_CONFIG);
--
2.17.1