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authorSeungwhan Youn <sw.youn@samsung.com>2010-10-14 01:39:33 (GMT)
committerKukjin Kim <kgene.kim@samsung.com>2010-10-25 07:06:13 (GMT)
commit9616674a3597c2ddc4dbeb620eed63ff06b078f4 (patch)
tree907e3af8357cbd1f677e913718b1f78c8dd67d15
parentc9fa7a08ccb40def56beb9986839b808646f579c (diff)
downloadlinux-9616674a3597c2ddc4dbeb620eed63ff06b078f4.tar.xz
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>
-rw-r--r--arch/arm/mach-s5p64x0/clock-s5p6440.c3
-rw-r--r--arch/arm/mach-s5p64x0/clock-s5p6450.c3
-rw-r--r--arch/arm/mach-s5pc100/clock.c3
-rw-r--r--arch/arm/mach-s5pv210/clock.c3
4 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p64x0/clock-s5p6440.c b/arch/arm/mach-s5p64x0/clock-s5p6440.c
index cfccdff..0d728d3 100644
--- 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
index f1498d35..1b9b0f9 100644
--- 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
index 42c2636..9e192a0 100644
--- 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
index 156aa8a..38ad7e5 100644
--- 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;