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[v2,04/12] ARM: SAMSUNG: pm: Use debug_ll_addr() to get UART base address

Message ID 1391713977-22300-5-git-send-email-t.figa@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tomasz Figa Feb. 6, 2014, 7:12 p.m. UTC 
This patch modifies Samsung PM debug helpers to use a multiplatform
friendly way of getting base address of debug UART port, so instead
of using a per-mach static macro, a generic debug_ll_addr() helper
is used.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 arch/arm/plat-samsung/pm.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index 5d9daf6..53b3d67 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -21,6 +21,7 @@ 
 #include <linux/io.h>
 
 #include <asm/cacheflush.h>
+#include <asm/mach/map.h>
 #include <asm/suspend.h>
 
 #include <plat/cpu.h>
@@ -74,9 +75,19 @@  static inline void s3c_pm_debug_init(void)
 
 static struct pm_uart_save uart_save;
 
+static inline void __iomem *s3c_pm_uart_base(void)
+{
+	unsigned long paddr;
+	unsigned long vaddr;
+
+	debug_ll_addr(&paddr, &vaddr);
+
+	return (void __iomem *)vaddr;
+}
+
 static void s3c_pm_save_uart(unsigned int uart, struct pm_uart_save *save)
 {
-	void __iomem *regs = S3C_VA_UARTx(uart);
+	void __iomem *regs = s3c_pm_uart_base();
 
 	save->ulcon = __raw_readl(regs + S3C2410_ULCON);
 	save->ucon = __raw_readl(regs + S3C2410_UCON);
@@ -98,7 +109,7 @@  static void s3c_pm_save_uarts(void)
 
 static void s3c_pm_restore_uart(unsigned int uart, struct pm_uart_save *save)
 {
-	void __iomem *regs = S3C_VA_UARTx(uart);
+	void __iomem *regs = s3c_pm_uart_base();
 
 	s3c_pm_arch_update_uart(regs, save);