The only SoC that does not have DIVSLOT register is S3C2410, so instead
of exporting a variable for platforms to set if DIVSLOT register should
be preserved, it's enough to simply check whether we are running on
a S3C2410 instead.
Signed-off-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
arch/arm/mach-s3c64xx/pm.c | 1 -
arch/arm/mach-s5p64x0/pm.c | 1 -
arch/arm/plat-samsung/include/plat/pm.h | 2 --
arch/arm/plat-samsung/pm.c | 18 +++++-------------
4 files changed, 5 insertions(+), 17 deletions(-)
diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index b5a6698..6b37694 100644
--- a/arch/arm/mach-s3c64xx/pm.c
+++ b/arch/arm/mach-s3c64xx/pm.c
@@ -332,7 +332,6 @@ static __init int s3c64xx_pm_initcall(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");
diff --git a/arch/arm/mach-s5p64x0/pm.c b/arch/arm/mach-s5p64x0/pm.c
index 861e15c..ec8229c 100644
--- a/arch/arm/mach-s5p64x0/pm.c
+++ b/arch/arm/mach-s5p64x0/pm.c
@@ -161,7 +161,6 @@ static int s5p64x0_pm_add(struct device *dev, struct subsys_interface *sif)
{
pm_cpu_prep = s5p64x0_pm_prepare;
pm_cpu_sleep = s5p64x0_cpu_suspend;
- pm_uart_udivslot = 1;
return 0;
}
diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h
index ff6063f..21758c6 100644
--- a/arch/arm/plat-samsung/include/plat/pm.h
+++ b/arch/arm/plat-samsung/include/plat/pm.h
@@ -54,8 +54,6 @@ extern int (*pm_cpu_sleep)(unsigned long);
extern unsigned long s3c_pm_flags;
-extern unsigned char pm_uart_udivslot; /* true to save UART UDIVSLOT */
-
/* from sleep.S */
extern int s3c2410_cpu_suspend(unsigned long);
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index e5b0f2c..5d9daf6 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -23,6 +23,7 @@
#include <asm/cacheflush.h>
#include <asm/suspend.h>
+#include <plat/cpu.h>
#include <plat/regs-serial.h>
#ifdef CONFIG_SAMSUNG_ATAGS
@@ -71,17 +72,6 @@ static inline void s3c_pm_debug_init(void)
s3c_pm_debug_init_uart();
}
-#else
-#define s3c_pm_debug_init() do { } while(0)
-
-#endif /* CONFIG_SAMSUNG_PM_DEBUG */
-
-/* Save the UART configurations if we are configured for debug. */
-
-unsigned char pm_uart_udivslot;
-
-#ifdef CONFIG_SAMSUNG_PM_DEBUG
-
static struct pm_uart_save uart_save;
static void s3c_pm_save_uart(unsigned int uart, struct pm_uart_save *save)
@@ -94,7 +84,7 @@ static void s3c_pm_save_uart(unsigned int uart, struct pm_uart_save *save)
save->umcon = __raw_readl(regs + S3C2410_UMCON);
save->ubrdiv = __raw_readl(regs + S3C2410_UBRDIV);
- if (pm_uart_udivslot)
+ if (!soc_is_s3c2410())
save->udivslot = __raw_readl(regs + S3C2443_DIVSLOT);
S3C_PMDBG("UART[%d]: ULCON=%04x, UCON=%04x, UFCON=%04x, UBRDIV=%04x\n",
@@ -118,7 +108,7 @@ static void s3c_pm_restore_uart(unsigned int uart, struct pm_uart_save *save)
__raw_writel(save->umcon, regs + S3C2410_UMCON);
__raw_writel(save->ubrdiv, regs + S3C2410_UBRDIV);
- if (pm_uart_udivslot)
+ if (!soc_is_s3c2410())
__raw_writel(save->udivslot, regs + S3C2443_DIVSLOT);
}
@@ -127,6 +117,8 @@ static void s3c_pm_restore_uarts(void)
s3c_pm_restore_uart(CONFIG_DEBUG_S3C_UART, &uart_save);
}
#else
+#define s3c_pm_debug_init() do { } while (0)
+
static void s3c_pm_save_uarts(void) { }
static void s3c_pm_restore_uarts(void) { }
#endif
--
1.8.5.2
--
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