Commit 72f37957 authored by Binbin Zhou's avatar Binbin Zhou Committed by Bartosz Golaszewski
Browse files

gpio: loongson-64bit: Correct Loongson-7A2000 ACPI GPIO access mode 



According to the description of the Loongson-7A2000 ACPI GPIO register in
the manual, its access mode should be BIT_CTRL_MODE, otherwise there maybe
some unpredictable behavior.

Cc: stable@vger.kernel.org
Fixes: 44fe7902 ("gpio: loongson-64bit: Add more gpio chip support")
Signed-off-by: default avatarBinbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
Link: https://lore.kernel.org/r/20250610115926.347845-1-zhoubinbin@loongson.cn


Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
parent e0d4a0f1

drivers/gpio/gpio-loongson-64bit.c

+1 −1
Original line number Diff line number Diff line
@@ -268,7 +268,7 @@ static const struct loongson_gpio_chip_data loongson_gpio_ls7a2000_data0 = { 
/* LS7A2000 ACPI GPIO */

static const struct loongson_gpio_chip_data loongson_gpio_ls7a2000_data1 = {

	.label = "ls7a2000_gpio",

	.mode = BYTE_CTRL_MODE,

	.mode = BIT_CTRL_MODE,

	.conf_offset = 0x4,

	.in_offset = 0x8,

	.out_offset = 0x0,