From: chenxing <chenxing@rock-chips.com>
Date: Sat, 25 Aug 2012 07:49:17 +0000 (+0800)
Subject: rk30:sdk: dvfs freq limit active right now
X-Git-Tag: firefly_0821_release~8838
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5e5ee62aab28a7bd80a9f3da4006b9f325781ad2;p=firefly-linux-kernel-4.4.55.git

rk30:sdk: dvfs freq limit active right now
---

diff --git a/arch/arm/mach-rk30/dvfs.c b/arch/arm/mach-rk30/dvfs.c
index a2838794d264..7f1aa71b471b 100644
--- a/arch/arm/mach-rk30/dvfs.c
+++ b/arch/arm/mach-rk30/dvfs.c
@@ -106,12 +106,18 @@ struct regulator* dvfs_get_regulator(char *regulator_name)
 int dvfs_clk_enable_limit(struct clk *clk, unsigned int min_rate, unsigned max_rate)
 {
 	struct clk_node* dvfs_clk;
+	u32 rate = 0;
 	dvfs_clk = clk->dvfs_info;
 
 	dvfs_clk->freq_limit_en = 1;
 	dvfs_clk->min_rate = min_rate;
 	dvfs_clk->max_rate = max_rate;
 	
+	rate = clk_get_rate(clk);
+	if (rate < min_rate) 
+		dvfs_clk_set_rate(clk, min_rate);
+	else if (rate > max_rate)
+		dvfs_clk_set_rate(clk, max_rate);
 	return 0;
 }