@@ -141,7 +141,7 @@ static void __init ds_setup(void)
// enable OE of level shifter
if (gpio_request_one(DS_GPIO_OE,
- GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED, "OE-1") != 0)
+ GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, "OE-1") != 0)
printk("Error setting GPIO OE\n");
if (gpio_request_one(DS_GPIO_UART_ENA,
@@ -150,7 +150,7 @@ static void __init ds_setup(void)
// enable OE of level shifter
if (gpio_request_one(DS_GPIO_OE2,
- GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED, "OE-2") != 0)
+ GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, "OE-2") != 0)
printk("Error setting GPIO OE2\n");
}
This reverts commit 077253dd666a30ae5231c3748222d4b5b138593d. The output enable pins should be disabled by default, and only enabled when used. Otherwise unwanted conflicts might occur between MCU and SoC pins. Signed-off-by: Sungbo Eo <mans0n@gorani.run> --- target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)