On Thu, 2018-03-22 at 10:58 +0800, Zhiyong Tao wrote: > For generic pins, parameter "arg" is 0 or 1. > For special pins, bias-disable is set by R0R1, > so we need transmited "00" to set bias-disable > When we set "bias-disable" as high-z property, > the parameter should be "MTK_PUPD_SET_R1R0_00". > > Signed-off-by: Zhiyong Tao <zhiyong.tao@xxxxxxxxxxxx> > --- > drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c > index 3cf384f..f991ff3 100644 > --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c > +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c > @@ -293,7 +293,7 @@ static int mtk_pconf_set_pull_select(struct mtk_pinctrl *pctl, > unsigned int pin, bool enable, bool isup, unsigned int arg) > { > unsigned int bit; > - unsigned int reg_pullen, reg_pullsel; > + unsigned int reg_pullen, reg_pullsel, r1r0; > int ret; > > /* Some pins' pull setting are very different, > @@ -301,8 +301,12 @@ static int mtk_pconf_set_pull_select(struct mtk_pinctrl *pctl, > * resistor bit, so we need this special handle. > */ > if (pctl->devdata->spec_pull_set) { > + /* For special pins, bias-disable is set by R1R0, > + * the parameter should be "MTK_PUPD_SET_R1R0_00". > + */ > + r1r0 = enable ? arg : MTK_PUPD_SET_R1R0_00; > ret = pctl->devdata->spec_pull_set(mtk_get_regmap(pctl, pin), > - pin, pctl->devdata->port_align, isup, arg); > + pin, pctl->devdata->port_align, isup, r1r0); > if (!ret) > return 0; > } Reviewed-by: Sean Wang <sean.wang@xxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html