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Diffstat (limited to 'arch/arm/mach-s3c64xx/pm.c')
-rw-r--r--arch/arm/mach-s3c64xx/pm.c34
1 files changed, 19 insertions, 15 deletions
diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index 79412f735a8d..bc1c470b7de6 100644
--- a/arch/arm/mach-s3c64xx/pm.c
+++ b/arch/arm/mach-s3c64xx/pm.c
@@ -30,26 +30,18 @@
#include <mach/regs-gpio-memport.h>
#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
-#include <mach/gpio-bank-n.h>
-
void s3c_pm_debug_smdkled(u32 set, u32 clear)
{
unsigned long flags;
- u32 reg;
+ int i;
local_irq_save(flags);
- reg = __raw_readl(S3C64XX_GPNCON);
- reg &= ~(S3C64XX_GPN_CONMASK(12) | S3C64XX_GPN_CONMASK(13) |
- S3C64XX_GPN_CONMASK(14) | S3C64XX_GPN_CONMASK(15));
- reg |= S3C64XX_GPN_OUTPUT(12) | S3C64XX_GPN_OUTPUT(13) |
- S3C64XX_GPN_OUTPUT(14) | S3C64XX_GPN_OUTPUT(15);
- __raw_writel(reg, S3C64XX_GPNCON);
-
- reg = __raw_readl(S3C64XX_GPNDAT);
- reg &= ~(clear << 12);
- reg |= set << 12;
- __raw_writel(reg, S3C64XX_GPNDAT);
-
+ for (i = 0; i < 4; i++) {
+ if (clear & (1 << i))
+ gpio_set_value(S3C64XX_GPN(12 + i), 0);
+ if (set & (1 << i))
+ gpio_set_value(S3C64XX_GPN(12 + i), 1);
+ }
local_irq_restore(flags);
}
#endif
@@ -187,6 +179,18 @@ static int s3c64xx_pm_init(void)
pm_cpu_prep = s3c64xx_pm_prepare;
pm_cpu_sleep = s3c64xx_cpu_suspend;
pm_uart_udivslot = 1;
+
+#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
+ gpio_request(S3C64XX_GPN(12), "DEBUG_LED0");
+ gpio_request(S3C64XX_GPN(13), "DEBUG_LED1");
+ gpio_request(S3C64XX_GPN(14), "DEBUG_LED2");
+ gpio_request(S3C64XX_GPN(15), "DEBUG_LED3");
+ gpio_direction_output(S3C64XX_GPN(12), 0);
+ gpio_direction_output(S3C64XX_GPN(13), 0);
+ gpio_direction_output(S3C64XX_GPN(14), 0);
+ gpio_direction_output(S3C64XX_GPN(15), 0);
+#endif
+
return 0;
}