From: Tomasz Figa <t.figa@samsung.com>
Date: Mon, 17 Mar 2014 22:28:09 +0000 (+0900)
Subject: ARM: SAMSUNG: Use debug_ll_addr() to get UART base address
X-Git-Tag: v3.15-rc1~74^2~2^2~12
X-Git-Url: http://git.cascardo.info/?p=cascardo%2Flinux.git;a=commitdiff_plain;h=99b2fc2b8b40256538332769f11f2fe6ee942f6c

ARM: SAMSUNG: Use debug_ll_addr() to get UART base address

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>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---

diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index 3563421d63ab..c7fac34de621 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -22,6 +22,7 @@
 #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);