[PATCH 17/25] drivers: gpio: rda: Make direction register unreadable

[Dang Huynh via B4 Relay]

From: Dang Huynh <dang.huynh at mainlining.org>

The register doesn't like to be read, this causes the SD Card
Card Detect GPIO to misbehaves in the OS.

Signed-off-by: Dang Huynh <dang.huynh at mainlining.org>
---
 drivers/gpio/gpio-rda.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-rda.c b/drivers/gpio/gpio-rda.c
index b4db8553a2371ae407fdb7e681d0f82c4d9f74b7..56aaa9f33d29469dfb1bf86ed7b63c54b413c89c 100644
--- a/drivers/gpio/gpio-rda.c
+++ b/drivers/gpio/gpio-rda.c
@@ -245,7 +245,7 @@ static int rda_gpio_probe(struct platform_device *pdev)
 		.clr = rda_gpio->base + RDA_GPIO_CLR,
 		.dirout = rda_gpio->base + RDA_GPIO_OEN_SET_OUT,
 		.dirin = rda_gpio->base + RDA_GPIO_OEN_SET_IN,
-		.flags = BGPIOF_READ_OUTPUT_REG_SET,
+		.flags = BGPIOF_READ_OUTPUT_REG_SET | BGPIOF_UNREADABLE_REG_DIR,
 	};
 
 	ret = gpio_generic_chip_init(&rda_gpio->chip, &config);

-- 
2.51.0