domenico/openwrt_NSS_ACW
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Revert "ar71xx: fix Arduino Yun enabling of level shifters outputs"

Browse Source 
This reverts commit 077253dd66.

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>
This commit is contained in:
Sungbo Eo
2020-01-12 21:33:53 +09:00
committed by Adrian Schmutzler
parent 93d37fad86
commit 43896dc0b0
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c
View File

@@ -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");
}