commit d3224ed140dc440c43e1da607b7685635e8064a6
author Sonic Zhang <sonic.zhang@analog.com> Tue Oct 08 15:31:21 2013 +0800
committer Linus Walleij <linus.walleij@linaro.org> Wed Oct 09 13:09:41 2013 +0200
tree ce922f0205e55172c9af68843296a7dd4a93a60e
parent 010c51e189c6a37da2908d27c93e73584f6e8fa8

pinctrl: pinctrl-adi2: disable IRQ when setting value

GPIO output value should be set after the GPIO interrupt is disabled.
Use BIT macro as well.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
[Edited commit message]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-adi2.c

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 @@
 	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 @@
 	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);