From 9bb9ef2b3e5d9d012876e7e2d7757eb30e865bee Mon Sep 17 00:00:00 2001
From: Qinglang Miao <miaoqinglang@huawei.com>
Date: Tue, 3 Nov 2020 15:49:11 +0800
Subject: [PATCH] spi: bcm63xx-hsspi: fix missing clk_disable_unprepare() on error in bcm63xx_hsspi_resume
Git-commit: 9bb9ef2b3e5d9d012876e7e2d7757eb30e865bee
Patch-mainline: v5.11-rc1
References: git-fixes
Fix the missing clk_disable_unprepare() before return
from bcm63xx_hsspi_resume in the error handling case when
fails to prepare and enable bs->pll_clk.
Fixes: 0fd85869c2a9 ("spi/bcm63xx-hsspi: keep pll clk enabled")
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Link: https://lore.kernel.org/r/20201103074911.195530-1-miaoqinglang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/spi/spi-bcm63xx-hsspi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c
index 9909b18f3c5a..1f08d7553f07 100644
--- a/drivers/spi/spi-bcm63xx-hsspi.c
+++ b/drivers/spi/spi-bcm63xx-hsspi.c
@@ -494,8 +494,10 @@ static int bcm63xx_hsspi_resume(struct device *dev)
if (bs->pll_clk) {
ret = clk_prepare_enable(bs->pll_clk);
- if (ret)
+ if (ret) {
+ clk_disable_unprepare(bs->clk);
return ret;
+ }
}
spi_master_resume(master);
--
2.26.2