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Subject[PATCH 4.19 077/229] spi: qup: add missing clk_disable_unprepare on error in spi_qup_pm_resume_runtime()
Date
From: Xu Qiang <xuqiang36@huawei.com>

[ Upstream commit 494a22765ce479c9f8ad181c5d24cffda9f534bb ]

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 <xuqiang36@huawei.com>
Link: https://lore.kernel.org/r/20220825065324.68446-2-xuqiang36@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 c5c727274814..1ca678bcb527 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -1172,8 +1172,10 @@ 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);
--
2.35.1


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