4.9-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 614b1868a125a0ba24be08f3a7fa832ddcde6bca ]
We just changed the code so we apply bias disable on the correct register but forgot to align the register calculation. The result is that we apply the change on the correct register, but possibly at the incorrect offset/bit
This went undetected because offsets tends to be the same between REG_PULL and REG_PULLEN for a given pin the EE controller. This is not true for the AO controller.
Fixes: e39f9dd8206a ("pinctrl: meson: fix pinconf bias disable") Signed-off-by: Jerome Brunet jbrunet@baylibre.com Acked-by: Neil Armstrong narmstrong@baylibre.com Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pinctrl/meson/pinctrl-meson.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c index df61a71420b1..8e73641bd823 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.c +++ b/drivers/pinctrl/meson/pinctrl-meson.c @@ -274,7 +274,8 @@ static int meson_pinconf_set(struct pinctrl_dev *pcdev, unsigned int pin, case PIN_CONFIG_BIAS_DISABLE: dev_dbg(pc->dev, "pin %u: disable bias\n", pin);
- meson_calc_reg_and_bit(bank, pin, REG_PULL, ®, &bit); + meson_calc_reg_and_bit(bank, pin, REG_PULLEN, ®, + &bit); ret = regmap_update_bits(pc->reg_pullen, reg, BIT(bit), 0); if (ret)