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

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>
master
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
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4
target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c
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@ -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");
}