From 404aadf45c719df3730fbc483780a3742002006d Mon Sep 17 00:00:00 2001 From: Qinglang Miao 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 [ Upstream commit 9bb9ef2b3e5d9d012876e7e2d7757eb30e865bee ] 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 Link: https://lore.kernel.org/r/20201103074911.195530-1-miaoqinglang@huawei.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- 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 36f7eb8ab2df..509476a2d79b 100644 --- a/drivers/spi/spi-bcm63xx-hsspi.c +++ b/drivers/spi/spi-bcm63xx-hsspi.c @@ -483,8 +483,10 @@ 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);