Messages in this thread Patch in this message | | | From | Hanks Chen <> | Subject | [PATCH v2] pinctrl: mediatek: check mtk_is_virt_gpio input parameter | Date | Thu, 20 Aug 2020 19:22:25 +0800 |
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check mtk_is_virt_gpio input parameter, virtual gpio need to support eint mode.
add error handler for the ko case to fix this boot fail: pc : mtk_is_virt_gpio+0x20/0x38 [pinctrl_mtk_common_v2] lr : mtk_gpio_get_direction+0x44/0xb0 [pinctrl_paris]
Fixes: edd546465002 ("pinctrl: mediatek: avoid virtual gpio trying to set reg") Singed-off-by: Jie Yang <sin_jieyang@mediatek.com> Signed-off-by: Hanks Chen <hanks.chen@mediatek.com>
--- Changes since v1: - update Singed-off-by - align with pinctrl/mediatek/pinctrl-mtk-mt*.h
--- drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c index c53e2c391e32..a485d79f51a1 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c @@ -259,6 +259,10 @@ bool mtk_is_virt_gpio(struct mtk_pinctrl *hw, unsigned int gpio_n) desc = (const struct mtk_pin_desc *)&hw->soc->pins[gpio_n]; + /* if the GPIO is not supported for eint mode */ + if (desc->eint.eint_m == NO_EINT_SUPPORT) + return virt_gpio; + if (desc->funcs && !desc->funcs[desc->eint.eint_m].name) virt_gpio = true; -- 2.18.0 | |