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>
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4 changed files with 12 additions and 0 deletions
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@ -79,6 +79,9 @@ static int s5p6440_epll_set_rate(struct clk *clk, unsigned long rate)
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__raw_writel(epll_con, S5P64X0_EPLL_CON);
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__raw_writel(epll_con, S5P64X0_EPLL_CON);
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__raw_writel(epll_con_k, S5P64X0_EPLL_CON_K);
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__raw_writel(epll_con_k, S5P64X0_EPLL_CON_K);
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printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
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clk->rate, rate);
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clk->rate = rate;
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clk->rate = rate;
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return 0;
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return 0;
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@ -80,6 +80,9 @@ static int s5p6450_epll_set_rate(struct clk *clk, unsigned long rate)
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__raw_writel(epll_con, S5P64X0_EPLL_CON);
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__raw_writel(epll_con, S5P64X0_EPLL_CON);
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__raw_writel(epll_con_k, S5P64X0_EPLL_CON_K);
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__raw_writel(epll_con_k, S5P64X0_EPLL_CON_K);
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printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
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clk->rate, rate);
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clk->rate = rate;
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clk->rate = rate;
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return 0;
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return 0;
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@ -323,6 +323,9 @@ static int s5pc100_epll_set_rate(struct clk *clk, unsigned long rate)
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__raw_writel(epll_con, S5P_EPLL_CON);
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__raw_writel(epll_con, S5P_EPLL_CON);
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printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
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clk->rate, rate);
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clk->rate = rate;
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clk->rate = rate;
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return 0;
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return 0;
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@ -1109,6 +1109,9 @@ static int s5pv210_epll_set_rate(struct clk *clk, unsigned long rate)
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__raw_writel(epll_con, S5P_EPLL_CON);
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__raw_writel(epll_con, S5P_EPLL_CON);
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__raw_writel(epll_con_k, S5P_EPLL_CON1);
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__raw_writel(epll_con_k, S5P_EPLL_CON1);
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printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
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clk->rate, rate);
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clk->rate = rate;
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clk->rate = rate;
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return 0;
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return 0;
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