From: 陈亮 <cl@rock-chips.com>
Date: Fri, 12 Sep 2014 01:18:34 +0000 (-0700)
Subject: rk312x: enable jtag clk by rockchip_jtag_enabled
X-Git-Tag: firefly_0821_release~4721
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=609161946706962e14e46f307cac917e2b902015;p=firefly-linux-kernel-4.4.55.git

rk312x: enable jtag clk by rockchip_jtag_enabled

Signed-off-by: 陈亮 <cl@rock-chips.com>
---

diff --git a/arch/arm/mach-rockchip/rk312x.c b/arch/arm/mach-rockchip/rk312x.c
index 5308c528c2b7..d9e08033a7b0 100755
--- a/arch/arm/mach-rockchip/rk312x.c
+++ b/arch/arm/mach-rockchip/rk312x.c
@@ -358,6 +358,8 @@ static void __init rk312x_init_late(void)
 #ifdef CONFIG_PM
 	rk321x_init_suspend();
 #endif
+	if (rockchip_jtag_enabled)
+		clk_prepare_enable(clk_get_sys(NULL, "clk_jtag"));
 }
 
 static void rk312x_restart(char mode, const char *cmd)