[PATCH] pinctrl: qcom: fix masking of pinmux functions

[John Crispin]

The following commit introduced a regression by not properly masking the
calculated value.

commit 47a01ee9a6c39fe1 ("pinctrl: qcom: Clear all function selection bits")

Signed-off-by: John Crispin <j...@phrozen.org>
---
 drivers/pinctrl/qcom/pinctrl-msm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c 
b/drivers/pinctrl/qcom/pinctrl-msm.c
index 51c42d7..775c883 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -156,7 +156,7 @@ static int msm_pinmux_set_mux(struct pinctrl_dev *pctldev,
        spin_lock_irqsave(&pctrl->lock, flags);
 
        val = readl(pctrl->regs + g->ctl_reg);
-       val &= mask;
+       val &= ~mask;
        val |= i << g->mux_bit;
        writel(val, pctrl->regs + g->ctl_reg);
 
-- 
1.7.10.4