ARM: keystone: rename clk_get_rate() to ks_clk_get_rate()

The KeyStone platform has its own clk_get_rate() but its prototype
is different from that of the common-clk (clk-uclass) framework.

Prefix the KeyStone specific implementation with ks_ in order to
avoid name-space conflict.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-keystone/clock.c b/arch/arm/mach-keystone/clock.c
index b25db1e..d8804724 100644
--- a/arch/arm/mach-keystone/clock.c
+++ b/arch/arm/mach-keystone/clock.c
@@ -341,7 +341,7 @@
 	return ret;
 }
 
-unsigned long clk_get_rate(unsigned int clk)
+unsigned long ks_clk_get_rate(unsigned int clk)
 {
 	unsigned long freq = 0;
 
@@ -381,37 +381,37 @@
 		freq = pll_freq_get(CORE_PLL) / pll0div_read(4);
 		break;
 	case sys_clk0_2_clk:
-		freq = clk_get_rate(sys_clk0_clk) / 2;
+		freq = ks_clk_get_rate(sys_clk0_clk) / 2;
 		break;
 	case sys_clk0_3_clk:
-		freq = clk_get_rate(sys_clk0_clk) / 3;
+		freq = ks_clk_get_rate(sys_clk0_clk) / 3;
 		break;
 	case sys_clk0_4_clk:
-		freq = clk_get_rate(sys_clk0_clk) / 4;
+		freq = ks_clk_get_rate(sys_clk0_clk) / 4;
 		break;
 	case sys_clk0_6_clk:
-		freq = clk_get_rate(sys_clk0_clk) / 6;
+		freq = ks_clk_get_rate(sys_clk0_clk) / 6;
 		break;
 	case sys_clk0_8_clk:
-		freq = clk_get_rate(sys_clk0_clk) / 8;
+		freq = ks_clk_get_rate(sys_clk0_clk) / 8;
 		break;
 	case sys_clk0_12_clk:
-		freq = clk_get_rate(sys_clk0_clk) / 12;
+		freq = ks_clk_get_rate(sys_clk0_clk) / 12;
 		break;
 	case sys_clk0_24_clk:
-		freq = clk_get_rate(sys_clk0_clk) / 24;
+		freq = ks_clk_get_rate(sys_clk0_clk) / 24;
 		break;
 	case sys_clk1_3_clk:
-		freq = clk_get_rate(sys_clk1_clk) / 3;
+		freq = ks_clk_get_rate(sys_clk1_clk) / 3;
 		break;
 	case sys_clk1_4_clk:
-		freq = clk_get_rate(sys_clk1_clk) / 4;
+		freq = ks_clk_get_rate(sys_clk1_clk) / 4;
 		break;
 	case sys_clk1_6_clk:
-		freq = clk_get_rate(sys_clk1_clk) / 6;
+		freq = ks_clk_get_rate(sys_clk1_clk) / 6;
 		break;
 	case sys_clk1_12_clk:
-		freq = clk_get_rate(sys_clk1_clk) / 12;
+		freq = ks_clk_get_rate(sys_clk1_clk) / 12;
 		break;
 	default:
 		break;