From 9616674a3597c2ddc4dbeb620eed63ff06b078f4 Mon Sep 17 00:00:00 2001 From: Seungwhan Youn Date: Thu, 14 Oct 2010 10:39:33 +0900 Subject: [PATCH] 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 Acked-by: Jassi Brar Signed-off-by: Kukjin Kim --- arch/arm/mach-s5p64x0/clock-s5p6440.c | 3 +++ arch/arm/mach-s5p64x0/clock-s5p6450.c | 3 +++ arch/arm/mach-s5pc100/clock.c | 3 +++ arch/arm/mach-s5pv210/clock.c | 3 +++ 4 files changed, 12 insertions(+) diff --git a/arch/arm/mach-s5p64x0/clock-s5p6440.c b/arch/arm/mach-s5p64x0/clock-s5p6440.c index cfccdff744d..0d728d3383b 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 f1498d35111..1b9b0f92d17 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 42c2636ca3a..9e192a0ad4f 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 156aa8af907..38ad7e55ab1 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;