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authorXu Qiang <xuqiang36@huawei.com>2022-08-25 06:53:23 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-10-26 13:16:59 +0200
commit9ed1b72528e1092bfee2db9f083ed779e0ca11d3 (patch)
tree68468140b73ba832a1536a30d3cc96added2c768 /drivers/spi/spi-qup.c
parent8d726280a45f0698d6431cff23004f89497dcf4d (diff)
downloadlinux-rt-9ed1b72528e1092bfee2db9f083ed779e0ca11d3.tar.gz
spi: qup: add missing clk_disable_unprepare on error in spi_qup_resume()
[ Upstream commit 70034320fdc597b8f58b4a43bb547f17c4c5557a ] Add the missing clk_disable_unprepare() before return from spi_qup_resume() in the error handling case. Fixes: 64ff247a978f (“spi: Add Qualcomm QUP SPI controller support”) Signed-off-by: Xu Qiang <xuqiang36@huawei.com> Link: https://lore.kernel.org/r/20220825065324.68446-1-xuqiang36@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/spi/spi-qup.c')
-rw-r--r--drivers/spi/spi-qup.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index cb74fd1af205..c5c727274814 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -1219,14 +1219,25 @@ static int spi_qup_resume(struct device *device)
return ret;
ret = clk_prepare_enable(controller->cclk);
- if (ret)
+ if (ret) {
+ clk_disable_unprepare(controller->iclk);
return ret;
+ }
ret = spi_qup_set_state(controller, QUP_STATE_RESET);
if (ret)
- return ret;
+ goto disable_clk;
+
+ ret = spi_master_resume(master);
+ if (ret)
+ goto disable_clk;
- return spi_master_resume(master);
+ return 0;
+
+disable_clk:
+ clk_disable_unprepare(controller->cclk);
+ clk_disable_unprepare(controller->iclk);
+ return ret;
}
#endif /* CONFIG_PM_SLEEP */