[4.19,076/229] spi: qup: add missing clk_disable_unprepare on error in spi_qup_resume()

Message ID 20221024113001.532215271@linuxfoundation.org
State New
Headers
Series None |

Commit Message

Greg KH Oct. 24, 2022, 11:29 a.m. UTC
  From: Xu Qiang <xuqiang36@huawei.com>

[ 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>
---
 drivers/spi/spi-qup.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)
  

Patch

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 */