OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

pinctrl: ocelot: fix gpio direction 

Bits have to be cleared in DEVCPU_GCB:GPIO:GPIO_OE for input and set for
output. ocelot_gpio_set_direction() got it wrong and this went unnoticed
when the driver was reworked.

Reported-by: Gregory Clement <gregory.clement@bootlin.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Alexandre Belloni 2018-03-22 13:35:00 +01:00 committed by Linus Walleij
parent e6c462d3ec
commit 44edff1bbc
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/pinctrl/pinctrl-ocelot.c
View File

@ -252,7 +252,7 @@ static int ocelot_gpio_set_direction(struct pinctrl_dev *pctldev,
struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
regmap_update_bits(info->map, OCELOT_GPIO_OE, BIT(pin),
input ? BIT(pin) : 0);
input ? 0 : BIT(pin));
return 0;
}