4.4-stable review patch. If anyone has any objections, please let me know.
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From: YueHaibing yuehaibing@huawei.com
[ 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@huawei.com Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/pinctrl/qcom/pinctrl-spmi-mpp.c | 2 ++ 1 file changed, 2 insertions(+)
--- 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 pinct 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;