From: chenxing <chenxing@rock-chips.com>
Date: Thu, 11 Jul 2013 01:20:16 +0000 (+0800)
Subject: rk: support resume rate when disable limit after enable multiple
X-Git-Tag: firefly_0821_release~6896
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d324dea3ad878e0818502be4178c99c1f22e3e66;p=firefly-linux-kernel-4.4.55.git

rk: support resume rate when disable limit after enable multiple
---

diff --git a/arch/arm/plat-rk/dvfs.c b/arch/arm/plat-rk/dvfs.c
index 224bdaadba24..76bee42d9a8b 100644
--- a/arch/arm/plat-rk/dvfs.c
+++ b/arch/arm/plat-rk/dvfs.c
@@ -270,7 +270,10 @@ int dvfs_clk_enable_limit(struct clk *clk, unsigned int min_rate, unsigned max_r
 		dvfs_clk->freq_limit_en = 1;
 		dvfs_clk->min_rate = min_rate;
 		dvfs_clk->max_rate = max_rate;
-		rate = clk_get_rate(clk);
+		if (clk->last_set_rate == 0)
+			rate = clk_get_rate(clk);
+		else
+			rate = clk->last_set_rate;
 		ret = dvfs_clk->vd->vd_dvfs_target(clk, rate);
 		clk->last_set_rate = rate;