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Diffstat (limited to 'arch')
-rw-r--r--arch/microblaze/kernel/reset.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/microblaze/kernel/reset.c b/arch/microblaze/kernel/reset.c
index 789af930d72..a1721a33042 100644
--- a/arch/microblaze/kernel/reset.c
+++ b/arch/microblaze/kernel/reset.c
@@ -17,6 +17,7 @@
#include <linux/of_gpio.h>
static int handle; /* reset pin handle */
+static unsigned int reset_val;
static int of_reset_gpio_handle(void)
{
@@ -75,9 +76,9 @@ void of_platform_reset_gpio_probe(void)
}
/* get current setup value */
- ret = gpio_get_value(handle);
+ reset_val = gpio_get_value(handle);
/* FIXME maybe worth to perform any action */
- pr_debug("Reset: Gpio output state: 0x%x\n", ret);
+ pr_debug("Reset: Gpio output state: 0x%x\n", reset_val);
/* Setup GPIO as output */
ret = gpio_direction_output(handle, 0);
@@ -87,7 +88,8 @@ void of_platform_reset_gpio_probe(void)
/* Setup output direction */
gpio_set_value(handle, 0);
- printk(KERN_INFO "RESET: Registered gpio device: %d\n", handle);
+ printk(KERN_INFO "RESET: Registered gpio device: %d, current val: %d\n",
+ handle, reset_val);
return;
err:
gpio_free(handle);
@@ -97,7 +99,7 @@ err:
static void gpio_system_reset(void)
{
- gpio_set_value(handle, 1);
+ gpio_set_value(handle, 1 - reset_val);
}
#else
#define gpio_system_reset() do {} while (0)