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authorIngo Molnar <mingo@kernel.org>2018-07-17 09:27:43 +0200
committerIngo Molnar <mingo@kernel.org>2018-07-17 09:27:43 +0200
commit52b544bd386688177c41d53e748111c29d0ccc98 (patch)
treec2083582176e773084364af93cc44e0f94b6cde8 /drivers/pinctrl/mediatek/pinctrl-mt7622.c
parentafed7bcf9487bb28e2e2b016a195085c07416c0b (diff)
parent9d3cce1e8b8561fed5f383d22a4d6949db4eadbe (diff)
Merge tag 'v4.18-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/pinctrl/mediatek/pinctrl-mt7622.c')
-rw-r--r--drivers/pinctrl/mediatek/pinctrl-mt7622.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-mt7622.c b/drivers/pinctrl/mediatek/pinctrl-mt7622.c
index ad6da1184c9f..e3f1ab2290fc 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt7622.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt7622.c
@@ -1459,6 +1459,9 @@ static int mtk_gpio_to_irq(struct gpio_chip *chip, unsigned int offset)
struct mtk_pinctrl *hw = gpiochip_get_data(chip);
unsigned long eint_n;
+ if (!hw->eint)
+ return -ENOTSUPP;
+
eint_n = offset;
return mtk_eint_find_irq(hw->eint, eint_n);
@@ -1471,7 +1474,8 @@ static int mtk_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
unsigned long eint_n;
u32 debounce;
- if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
+ if (!hw->eint ||
+ pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
return -ENOTSUPP;
debounce = pinconf_to_config_argument(config);