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pinctrl: meson: fix pinconf bias disable

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If a bias is enabled on a pin of an Amlogic SoC, calling .pin_config_set()
with PIN_CONFIG_BIAS_DISABLE will not disable the bias. Instead it will
force a pull-down bias on the pin.

Instead of the pull type register bank, the driver should access the pull
enable register bank.

Fixes: 6ac7309511 ("pinctrl: add driver for Amlogic Meson SoCs")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Jerome Brunet 2018-10-23 18:03:19 +02:00 committed by Linus Walleij
parent 651022382c
commit e39f9dd820
1 changed files with 1 additions and 1 deletions
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2
drivers/pinctrl/meson/pinctrl-meson.c
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@ -192,7 +192,7 @@ static int meson_pinconf_set(struct pinctrl_dev *pcdev, unsigned int pin,
dev_dbg(pc->dev, "pin %u: disable bias\n", pin);
meson_calc_reg_and_bit(bank, pin, REG_PULL, &reg, &bit);
ret = regmap_update_bits(pc->reg_pull, reg,
ret = regmap_update_bits(pc->reg_pullen, reg,
BIT(bit), 0);
if (ret)
return ret;