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gpio: mt7621: add BGPIOF_NO_SET_ON_INPUT flag

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DSET/DCLR registers only works on output pins. Add corresponding
BGPIOF_NO_SET_ON_INPUT flag to bgpio_init call to fix direction_out
behavior.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Tested-by: René van Dorst <opensource@vdorst.com>
Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Chuanhong Guo 2020-03-15 20:13:38 +08:00 committed by Bartosz Golaszewski
parent d19d2de61f
commit 427cabede0
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpio-mt7621.c
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@ -227,8 +227,8 @@ mediatek_gpio_bank_probe(struct device *dev,
ctrl = mtk->base + GPIO_REG_DCLR + (rg->bank * GPIO_BANK_STRIDE);
diro = mtk->base + GPIO_REG_CTRL + (rg->bank * GPIO_BANK_STRIDE);
ret = bgpio_init(&rg->chip, dev, 4,
dat, set, ctrl, diro, NULL, 0);
ret = bgpio_init(&rg->chip, dev, 4, dat, set, ctrl, diro, NULL,
BGPIOF_NO_SET_ON_INPUT);
if (ret) {
dev_err(dev, "bgpio_init() failed\n");
return ret;