From: Evoke Zhang <evoke.zhang@amlogic.com>
Date: Mon, 26 Feb 2018 07:05:15 +0000 (+0800)
Subject: vpu: optimize get_vpu_clk with clktree api
X-Git-Tag: khadas-vims-v0.9.6-release~2507
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=54bbddc7fced8573ad06ed46f44a7627f4626b22;p=platform%2Fkernel%2Flinux-amlogic.git

vpu: optimize get_vpu_clk with clktree api

PD#156734: vpu: optimize get_vpu_clk with clktree api
use clk_hw_get_rate instead of clk_get_rate.

Change-Id: Ib2d72c04d4df9acbacf06d189bbbce378f582716
Signed-off-by: Evoke Zhang <evoke.zhang@amlogic.com>
---

diff --git a/drivers/amlogic/media/common/vpu/vpu.c b/drivers/amlogic/media/common/vpu/vpu.c
index 0323231..6ee49c2 100644
--- a/drivers/amlogic/media/common/vpu/vpu.c
+++ b/drivers/amlogic/media/common/vpu/vpu.c
@@ -149,6 +149,7 @@ unsigned int get_vpu_clk(void)
 	unsigned int clk_freq;
 	unsigned int clk_source, div;
 	unsigned int mux_id;
+	struct clk_hw *hw;
 
 	if (IS_ERR_OR_NULL(vpu_conf.vpu_clk)) {
 		VPUERR("%s: vpu_clk\n", __func__);
@@ -174,7 +175,8 @@ unsigned int get_vpu_clk(void)
 		return clk_freq;
 	}
 
-	clk_freq = clk_get_rate(vpu_conf.vpu_clk);
+	hw = __clk_get_hw(vpu_conf.vpu_clk);
+	clk_freq = clk_hw_get_rate(hw);
 	return clk_freq;
 }