[PATCH resend] PL061 GPIO: Setting gpio val after changing direction to OUT.

[Viresh KUMAR]

pl061_direction_output doesn't set value of gpio to value passed to it.
This patch sets value of GPIO pin to requested value after changing direction
to OUT.

Signed-off-by: Viresh Kumar <viresh.kumar at st.com>
---
 drivers/gpio/pl061.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/gpio/pl061.c b/drivers/gpio/pl061.c
index 4b6c22d..4f172ab 100644
--- a/drivers/gpio/pl061.c
+++ b/drivers/gpio/pl061.c
@@ -90,6 +90,12 @@ static int pl061_direction_output(struct gpio_chip *gc, unsigned offset,
 	gpiodir = readb(chip->base + GPIODIR);
 	gpiodir |= 1 << offset;
 	writeb(gpiodir, chip->base + GPIODIR);
+
+	/*
+	 * gpio value is set again, because pl061 doesn't allow to set value of
+	 * a gpio pin before configuring it in OUT mode.
+	 */
+	writeb(!!value << offset, chip->base + (1 << (offset + 2)));
 	spin_unlock_irqrestore(&chip->lock, flags);
 
 	return 0;
-- 
1.6.0.2