[U-Boot] [PATCH 1/2] i2c-mux-gpio: Fix GPIO request flag issue

Ye Li ye.li at nxp.com
Wed Jul 10 10:23:09 UTC 2019


When requesting GPIO, the GPIOD_IS_OUT is missed in flag, so the GPIO
is set the input mode not output and cause mux not work.

Signed-off-by: Ye Li <ye.li at nxp.com>
---
 drivers/i2c/muxes/i2c-mux-gpio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
index 28f6400..e8b124f 100644
--- a/drivers/i2c/muxes/i2c-mux-gpio.c
+++ b/drivers/i2c/muxes/i2c-mux-gpio.c
@@ -106,7 +106,7 @@ static int i2c_mux_gpio_probe(struct udevice *dev)
 	}
 
 	ret = gpio_request_list_by_name(dev, "mux-gpios", gpios, mux->n_gpios,
-					GPIOD_IS_OUT_ACTIVE);
+					GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
 	if (ret <= 0) {
 		dev_err(dev, "Failed to request mux-gpios\n");
 		return ret;
-- 
2.7.4



More information about the U-Boot mailing list