luck/tmp_suning_uos_patched
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

gpio: sama5d2-piobu: Set proper output level for direction_output

Browse Source 
Set proper output level base on the argument of direction_output.
Also remove sama5d2_piobu_set_direction() as there is only one caller
now.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Axel Lin 2018-12-31 17:52:56 +08:00 committed by Linus Walleij
parent 72893f0c6b
commit e4889362e0
1 changed files with 8 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpio/gpio-sama5d2-piobu.c
View File

@ -108,16 +108,6 @@ static int sama5d2_piobu_read_value(struct gpio_chip *chip, unsigned int pin,
return val & mask;
}
/**
* sama5d2_piobu_set_direction() - mark pin as input or output
*/
static int sama5d2_piobu_set_direction(struct gpio_chip *chip,
unsigned int direction,
unsigned int pin)
{
return sama5d2_piobu_write_value(chip, pin, PIOBU_DIRECTION, direction);
}
/**
* sama5d2_piobu_get_direction() - gpiochip get_direction
*/
@ -138,7 +128,7 @@ static int sama5d2_piobu_get_direction(struct gpio_chip *chip,
static int sama5d2_piobu_direction_input(struct gpio_chip *chip,
unsigned int pin)
{
return sama5d2_piobu_set_direction(chip, PIOBU_IN, pin);
return sama5d2_piobu_write_value(chip, pin, PIOBU_DIRECTION, PIOBU_IN);
}
/**
@ -147,7 +137,13 @@ static int sama5d2_piobu_direction_input(struct gpio_chip *chip,
static int sama5d2_piobu_direction_output(struct gpio_chip *chip,
unsigned int pin, int value)
{
return sama5d2_piobu_set_direction(chip, PIOBU_OUT, pin);
unsigned int val = PIOBU_OUT;
if (value)
val |= PIOBU_HIGH;
return sama5d2_piobu_write_value(chip, pin, PIOBU_DIRECTION | PIOBU_SOD,
val);
}
/**