[PATCH] pinctrl: pinctrl-adi2: GPIO output value should be set after the GPIO interrupt is disabled.

From: Sonic Zhang
Date: Tue Oct 08 2013 - 03:19:19 EST


From: Sonic Zhang <sonic.zhang@xxxxxxxxxx>

Use BIT macro as well.

Signed-off-by: Sonic Zhang <sonic.zhang@xxxxxxxxxx>
---
drivers/pinctrl/pinctrl-adi2.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-adi2.c b/drivers/pinctrl/pinctrl-adi2.c
index a74e6f4..7a39562 100644
--- a/drivers/pinctrl/pinctrl-adi2.c
+++ b/drivers/pinctrl/pinctrl-adi2.c
@@ -766,9 +766,9 @@ static void adi_gpio_set_value(struct gpio_chip *chip, unsigned offset,
spin_lock_irqsave(&port->lock, flags);

if (value)
- writew(1 << offset, &regs->data_set);
+ writew(BIT(offset), &regs->data_set);
else
- writew(1 << offset, &regs->data_clear);
+ writew(BIT(offset), &regs->data_clear);

spin_unlock_irqrestore(&port->lock, flags);
}
@@ -780,12 +780,14 @@ static int adi_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
struct gpio_port_t *regs = port->regs;
unsigned long flags;

- adi_gpio_set_value(chip, offset, value);
-
spin_lock_irqsave(&port->lock, flags);

- writew(readw(&regs->inen) & ~(1 << offset), &regs->inen);
- writew(1 << offset, &regs->dir_set);
+ writew(readw(&regs->inen) & ~BIT(offset), &regs->inen);
+ if (value)
+ writew(BIT(offset), &regs->data_set);
+ else
+ writew(BIT(offset), &regs->data_clear);
+ writew(BIT(offset), &regs->dir_set);

spin_unlock_irqrestore(&port->lock, flags);

--
1.8.2.3


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