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| author | Sungbo Eo <mans0n@gorani.run> | 2020-01-12 21:33:53 +0900 |
|---|---|---|
| committer | Adrian Schmutzler <freifunk@adrianschmutzler.de> | 2020-08-02 16:34:21 +0200 |
| commit | 43896dc0b005adfb512c027a27781c971440d415 (patch) | |
| tree | 9fbcddde90cd17d99313b5648b28501664e956dc /target | |
| parent | 93d37fad86312850450c45b56ff5367c0009ff7a (diff) | |
| download | upstream-43896dc0b005adfb512c027a27781c971440d415.tar.gz upstream-43896dc0b005adfb512c027a27781c971440d415.tar.bz2 upstream-43896dc0b005adfb512c027a27781c971440d415.zip | |
Revert "ar71xx: fix Arduino Yun enabling of level shifters outputs"
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>
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-arduino-yun.c | 4 |
1 files 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"); } |