From: Seungwhan Youn Date: Thu, 14 Oct 2010 01:39:33 +0000 (+0900) Subject: ARM: S5P: Add EPLL rate change warning X-Git-Tag: v2.6.37-rc1~23^2^2~2^2~25 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9616674a3597c2ddc4dbeb620eed63ff06b078f4;p=linux.git 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 --- diff --git a/arch/arm/mach-s5p64x0/clock-s5p6440.c b/arch/arm/mach-s5p64x0/clock-s5p6440.c index cfccdff744d2..0d728d3383b4 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 f1498d35111b..1b9b0f92d178 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 42c2636ca3ac..9e192a0ad4f9 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 156aa8af9072..38ad7e55ab12 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;