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pinctrl: at91: initialize config parameter to 0

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When passing a not initialized config parameter, at91_pinconf_get() would return
a bogus value. Fix that by initializing it to zero before using it.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Alexandre Belloni 2013-12-07 14:08:53 +01:00 committed by Linus Walleij
parent c2eb9e7f02
commit 1292e69366
1 changed files with 2 additions and 1 deletions
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3
drivers/pinctrl/pinctrl-at91.c
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@ -722,7 +722,8 @@ static int at91_pinconf_get(struct pinctrl_dev *pctldev,
unsigned pin; unsigned pin;
int div; int div;
dev_dbg(info->dev, "%s:%d, pin_id=%d, config=0x%lx", __func__, __LINE__, pin_id, *config); *config = 0;
dev_dbg(info->dev, "%s:%d, pin_id=%d", __func__, __LINE__, pin_id);
pio = pin_to_controller(info, pin_to_bank(pin_id)); pio = pin_to_controller(info, pin_to_bank(pin_id));
pin = pin_id % MAX_NB_GPIO_PER_BANK; pin = pin_id % MAX_NB_GPIO_PER_BANK;