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authorDaniel Ribeiro <drwyrm@gmail.com>2009-05-06 05:43:18 +0400
committerEric Miao <eric.miao@marvell.com>2009-05-18 17:52:09 +0400
commit216e3b7abbd05c35d2d1a3f86629ade485351f0d (patch)
treefe89595dba787748fe311721cebd6a6101255752 /arch
parent818bc814447a35350ae90a329133e474bf1a2bd7 (diff)
downloadlinux-216e3b7abbd05c35d2d1a3f86629ade485351f0d.tar.xz
[ARM] pxa: allow gpio_reset drive high during normal work
I want to reuse tosa/spitz gpio_reset code, but my board needs the reset gpio to be driven high during normal operation. Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com> Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Eric Miao <eric.miao@marvell.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-pxa/include/mach/reset.h5
-rw-r--r--arch/arm/mach-pxa/reset.c4
-rw-r--r--arch/arm/mach-pxa/spitz.c2
-rw-r--r--arch/arm/mach-pxa/tosa.c2
4 files changed, 7 insertions, 6 deletions
diff --git a/arch/arm/mach-pxa/include/mach/reset.h b/arch/arm/mach-pxa/include/mach/reset.h
index 31e6a7b6ad80..b6c10556fbc7 100644
--- a/arch/arm/mach-pxa/include/mach/reset.h
+++ b/arch/arm/mach-pxa/include/mach/reset.h
@@ -13,8 +13,9 @@ extern void clear_reset_status(unsigned int mask);
/**
* init_gpio_reset() - register GPIO as reset generator
* @gpio: gpio nr
- * @output: set gpio as out/low instead of input during normal work
+ * @output: set gpio as output instead of input during normal work
+ * @level: output level
*/
-extern int init_gpio_reset(int gpio, int output);
+extern int init_gpio_reset(int gpio, int output, int level);
#endif /* __ASM_ARCH_RESET_H */
diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c
index df29d45fb4e7..01e9d643394a 100644
--- a/arch/arm/mach-pxa/reset.c
+++ b/arch/arm/mach-pxa/reset.c
@@ -20,7 +20,7 @@ static void do_hw_reset(void);
static int reset_gpio = -1;
-int init_gpio_reset(int gpio, int output)
+int init_gpio_reset(int gpio, int output, int level)
{
int rc;
@@ -31,7 +31,7 @@ int init_gpio_reset(int gpio, int output)
}
if (output)
- rc = gpio_direction_output(gpio, 0);
+ rc = gpio_direction_output(gpio, level);
else
rc = gpio_direction_input(gpio);
if (rc) {
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index c18e34acafcb..cdacea09abfa 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -731,7 +731,7 @@ static void spitz_restart(char mode, const char *cmd)
static void __init common_init(void)
{
- init_gpio_reset(SPITZ_GPIO_ON_RESET, 1);
+ init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
pm_power_off = spitz_poweroff;
arm_pm_restart = spitz_restart;
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index afac5b6d3d78..a0bd46ef5d30 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -897,7 +897,7 @@ static void __init tosa_init(void)
gpio_set_wake(MFP_PIN_GPIO1, 1);
/* We can't pass to gpio-keys since it will drop the Reset altfunc */
- init_gpio_reset(TOSA_GPIO_ON_RESET, 0);
+ init_gpio_reset(TOSA_GPIO_ON_RESET, 0, 0);
pm_power_off = tosa_poweroff;
arm_pm_restart = tosa_restart;