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 <man...@gorani.run>
---
target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c
b/target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c
index e92f68f490..5873248edf 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c
@@ -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");
}
--
2.25.1
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