ARM: S5P: Add EPLL rate change warning

This patch adds warning about changing EPLL rate to notice that other driver that controls H/W, which is using EPLL, will has unknown effects by this EPLL rate change. Signed-off-by: Seungwhan Youn <sw.youn@samsung.com> Acked-by: Jassi Brar <jassi.brar@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
git-mirror · Oct 25, 2010 · 9616674 · 9616674
1 parent c9fa7a0
commit 9616674
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diff --git a/arch/arm/mach-s5p64x0/clock-s5p6440.c b/arch/arm/mach-s5p64x0/clock-s5p6440.c
@@ -79,6 +79,9 @@ static int s5p6440_epll_set_rate(struct clk *clk, unsigned long rate)
 	__raw_writel(epll_con, S5P64X0_EPLL_CON);
 	__raw_writel(epll_con_k, S5P64X0_EPLL_CON_K);
 
+	printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
+			clk->rate, rate);
+
 	clk->rate = rate;
 
 	return 0;

diff --git a/arch/arm/mach-s5p64x0/clock-s5p6450.c b/arch/arm/mach-s5p64x0/clock-s5p6450.c
@@ -80,6 +80,9 @@ static int s5p6450_epll_set_rate(struct clk *clk, unsigned long rate)
 	__raw_writel(epll_con, S5P64X0_EPLL_CON);
 	__raw_writel(epll_con_k, S5P64X0_EPLL_CON_K);
 
+	printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
+			clk->rate, rate);
+
 	clk->rate = rate;
 
 	return 0;

diff --git a/arch/arm/mach-s5pc100/clock.c b/arch/arm/mach-s5pc100/clock.c
@@ -323,6 +323,9 @@ static int s5pc100_epll_set_rate(struct clk *clk, unsigned long rate)
 
 	__raw_writel(epll_con, S5P_EPLL_CON);
 
+	printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
+			clk->rate, rate);
+
 	clk->rate = rate;
 
 	return 0;

diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
@@ -1109,6 +1109,9 @@ static int s5pv210_epll_set_rate(struct clk *clk, unsigned long rate)
 	__raw_writel(epll_con, S5P_EPLL_CON);
 	__raw_writel(epll_con_k, S5P_EPLL_CON1);
 
+	printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
+			clk->rate, rate);
+
 	clk->rate = rate;
 
 	return 0;