Quoting Niklas Cassel (2018-09-12 03:34:31) > Hello Stephen, > > I'm getting this warning on dragonboard 820c (msm8996) when booting linux-next: > > [ 3.211575] WARNING: CPU: 1 PID: 1 at drivers/pinctrl/qcom/pinctrl-msm.c:164 msm_pinmux_set_mux+0xc8/0x150 > [ 3.212127] l28: ramp_delay not set Thanks for testing. I think the problem is I messed up the function 0 and enum 0. Can you try this patch? --8<--- diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index 1684b2da09d5..b925b8feac95 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -188,7 +188,7 @@ static int msm_pinmux_request_gpio(struct pinctrl_dev *pctldev, return 0; /* For now assume function 0 is GPIO because it always is */ - return msm_pinmux_set_mux(pctldev, 0, offset); + return msm_pinmux_set_mux(pctldev, g->funcs[0], offset); } static const struct pinmux_ops msm_pinmux_ops = {