[ARM] 5300/1: fixup spitz reset during boot
Some machines don't have the pullup/down on their reset
pin, so configuring the reset generating pin as input makes
them reset immediately. Fix that by making reset pin direction
configurable.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c
index 31d7885..1b2af57 100644
--- a/arch/arm/mach-pxa/reset.c
+++ b/arch/arm/mach-pxa/reset.c
@@ -20,7 +20,7 @@
static int reset_gpio = -1;
-int init_gpio_reset(int gpio)
+int init_gpio_reset(int gpio, int output)
{
int rc;
@@ -30,9 +30,12 @@
goto out;
}
- rc = gpio_direction_input(gpio);
+ if (output)
+ rc = gpio_direction_output(gpio, 0);
+ else
+ rc = gpio_direction_input(gpio);
if (rc) {
- printk(KERN_ERR "Can't configure reset_gpio for input\n");
+ printk(KERN_ERR "Can't configure reset_gpio\n");
gpio_free(gpio);
goto out;
}
