Messages in this thread Patch in this message | | | From | Linus Walleij <> | Subject | [PATCH] pinctrl/abx500: adjust offset for get_mode() | Date | Thu, 7 Feb 2013 17:27:37 +0100 |
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From: Linus Walleij <linus.walleij@linaro.org>
The set_mode() and get_mode() functions in the abx500 were not mirrored, leading to the wrong GPIO control bits being read out.
Cc: Lee Jones <lee.jones@linaro.org> Reported-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- drivers/pinctrl/pinctrl-abx500.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinctrl-abx500.c b/drivers/pinctrl/pinctrl-abx500.c index 17508b5..0b3aa1c 100644 --- a/drivers/pinctrl/pinctrl-abx500.c +++ b/drivers/pinctrl/pinctrl-abx500.c @@ -401,6 +401,8 @@ static u8 abx500_get_mode(struct pinctrl_dev *pctldev, struct gpio_chip *chip, bool alt_bit2; struct abx500_pinctrl *pct = pinctrl_dev_get_drvdata(pctldev); struct alternate_functions af = pct->soc->alternate_functions[gpio]; + /* on ABx5xx, there is no GPIO0, so adjust the offset */ + unsigned offset = gpio - 1; /* * if gpiosel_bit is set to unused, @@ -410,7 +412,7 @@ static u8 abx500_get_mode(struct pinctrl_dev *pctldev, struct gpio_chip *chip, return ABX500_DEFAULT; /* read GpioSelx register */ - abx500_gpio_get_bit(chip, AB8500_GPIO_SEL1_REG + (gpio / 8), + abx500_gpio_get_bit(chip, AB8500_GPIO_SEL1_REG + (offset / 8), af.gpiosel_bit, &bit_mode); mode = bit_mode; -- 1.7.11.3
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