target/linux/brcm2708/patches-4.1/0057-pinctrl-bcm2835-bcm2835_gpio_direction_output-must-s.patch

   1 From 0bb455e4eca847aa74560f58bfd7daa13e9fb496 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Wed, 4 Feb 2015 10:02:24 +0000
   4 Subject: [PATCH 057/121] pinctrl-bcm2835: bcm2835_gpio_direction_output must
   5  set the value
   6
   7 ---
   8  drivers/pinctrl/bcm/pinctrl-bcm2835.c | 9 ++++++++-
   9  1 file changed, 8 insertions(+), 1 deletion(-)
  10
  11 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
  12 +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
  13 @@ -355,7 +355,14 @@ static int bcm2835_gpio_get(struct gpio_
  14  static int bcm2835_gpio_direction_output(struct gpio_chip *chip,
  15                 unsigned offset, int value)
  16  {
  17 -       return pinctrl_gpio_direction_output(chip->base + offset);
  18 +       struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->dev);
  19 +       int ret;
  20 +
  21 +       ret = pinctrl_gpio_direction_output(chip->base + offset);
  22 +       if (ret >= 0)
  23 +               bcm2835_gpio_set_bit(pc, value ? GPSET0 : GPCLR0, offset);
  24 +
  25 +       return ret;
  26  }
  27
  28  static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value)