6.12-stable review patch. If anyone has any objections, please let me know.
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From: Gabor Juhos j4g8y7@gmail.com
commit 947c93eb29c2a581c0b0b6d5f21af3c2b7ff6d25 upstream.
The controller has two consecutive OUTPUT_VAL registers and both holds output value for 32 GPIOs. Due to a missing adjustment, the current code always uses the first register while setting the output value whereas it should use the second one for GPIOs > 31.
Add the missing armada_37xx_update_reg() call to adjust the register according to the 'offset' parameter of the function to fix the issue.
Cc: stable@vger.kernel.org Fixes: 6702abb3bf23 ("pinctrl: armada-37xx: Fix direction_output() callback behavior") Signed-off-by: Imre Kaloz kaloz@openwrt.org Reviewed-by: Andrew Lunn andrew@lunn.ch Signed-off-by: Gabor Juhos j4g8y7@gmail.com Link: https://lore.kernel.org/20250514-pinctrl-a37xx-fixes-v2-1-07e9ac1ab737@gmail... Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c @@ -417,6 +417,7 @@ static int armada_37xx_gpio_direction_ou unsigned int offset, int value) { struct armada_37xx_pinctrl *info = gpiochip_get_data(chip); + unsigned int val_offset = offset; unsigned int reg = OUTPUT_EN; unsigned int mask, val, ret;
@@ -429,6 +430,8 @@ static int armada_37xx_gpio_direction_ou return ret;
reg = OUTPUT_VAL; + armada_37xx_update_reg(®, &val_offset); + val = value ? mask : 0; regmap_update_bits(info->regmap, reg, mask, val);