diff options
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/qcom/pinctrl-msm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index 1a44e1d03390..51c42d746883 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -29,6 +29,7 @@ #include <linux/spinlock.h> #include <linux/reboot.h> #include <linux/pm.h> +#include <linux/log2.h> #include "../core.h" #include "../pinconf.h" @@ -138,10 +139,11 @@ static int msm_pinmux_set_mux(struct pinctrl_dev *pctldev, struct msm_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); const struct msm_pingroup *g; unsigned long flags; - u32 val; + u32 val, mask; int i; g = &pctrl->soc->groups[group]; + mask = GENMASK(g->mux_bit + order_base_2(g->nfuncs) - 1, g->mux_bit); for (i = 0; i < g->nfuncs; i++) { if (g->funcs[i] == function) @@ -154,7 +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 &= ~(0x7 << g->mux_bit); + val &= mask; val |= i << g->mux_bit; writel(val, pctrl->regs + g->ctl_reg); |