From: hhb <hhb@rock-chips.com>
Date: Wed, 20 Feb 2013 07:13:14 +0000 (+0800)
Subject: rk_gps: fix bug when disable gps aclk
X-Git-Tag: firefly_0821_release~7598
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=d883f0096e6497b9f7e7c5b5f865f3bd094691a6;p=firefly-linux-kernel-4.4.55.git

rk_gps: fix bug when disable gps aclk
---

diff --git a/arch/arm/mach-rk30/board-rk3168-tb.c b/arch/arm/mach-rk30/board-rk3168-tb.c
index 346a66723ae5..ba2c1dc51199 100755
--- a/arch/arm/mach-rk30/board-rk3168-tb.c
+++ b/arch/arm/mach-rk30/board-rk3168-tb.c
@@ -1184,14 +1184,30 @@ int rk_gps_reset_set(int level)
 }
 int rk_enable_hclk_gps(void)
 {
-	printk("%s \n", __FUNCTION__);
-	clk_enable(clk_get(NULL, "hclk_gps"));
+	struct clk *gps_aclk = NULL;
+	gps_aclk = clk_get(NULL, "aclk_gps");
+	if(gps_aclk) {
+		clk_enable(gps_aclk);
+		clk_put(gps_aclk);
+		printk("%s \n", __FUNCTION__);
+	}
+	else
+		printk("get gps aclk fail\n");
 	return 0;
 }
 int rk_disable_hclk_gps(void)
 {
-	printk("%s \n", __FUNCTION__);
-	clk_disable(clk_get(NULL, "hclk_gps"));
+	struct clk *gps_aclk = NULL;
+	gps_aclk = clk_get(NULL, "aclk_gps");
+	if(gps_aclk) {
+		//TO wait long enough until GPS ISR is finished.
+		msleep(5);
+		clk_disable(gps_aclk);
+		clk_put(gps_aclk);
+		printk("%s \n", __FUNCTION__);
+	}	
+	else
+		printk("get gps aclk fail\n");
 	return 0;
 }
 struct rk_gps_data rk_gps_info = {