[PATCH AUTOSEL 4.4 13/32] pinctrl: qcom: spmi-mpp: Fix err handling of pmic_mpp_set_mux

From: Sasha Levin
Date: Wed Oct 31 2018 - 19:16:16 EST


From: YueHaibing <yuehaibing@xxxxxxxxxx>

[ Upstream commit 69f8455f6cc78fa6cdf80d0105d7a748106271dc ]

'ret' should be returned while pmic_mpp_write_mode_ctl fails.

Fixes: 0e948042c420 ("pinctrl: qcom: spmi-mpp: Implement support for sink mode")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/pinctrl/qcom/pinctrl-spmi-mpp.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c b/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
index 9ce0e30e33e8..0643abfd8a50 100644
--- a/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
+++ b/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
@@ -321,6 +321,8 @@ static int pmic_mpp_set_mux(struct pinctrl_dev *pctldev, unsigned function,
pad->function = function;

ret = pmic_mpp_write_mode_ctl(state, pad);
+ if (ret < 0)
+ return ret;

val = pad->is_enabled << PMIC_MPP_REG_MASTER_EN_SHIFT;

--
2.17.1