From 780019ddf02f214ad61e641b57b8ac30c837e2a7 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Wed, 27 Jan 2010 09:10:06 +0100
Subject: MIPS: AR7: Implement clock API

This patch makes the ar7 clock code implement the Linux clk API. Drivers
using the various clocks available in the SoC are updated accordingly.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
To: linux-mips@linux-mips.org
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: netdev@vger.kernel.org
Cc: David Miller <davem@davemloft.net>
Patchwork: http://patchwork.linux-mips.org/patch/881/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/ar7/time.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'arch/mips/ar7/time.c')

diff --git a/arch/mips/ar7/time.c b/arch/mips/ar7/time.c
index a1fba894daa2..5fb8a0134085 100644
--- a/arch/mips/ar7/time.c
+++ b/arch/mips/ar7/time.c
@@ -20,11 +20,21 @@
 
 #include <linux/init.h>
 #include <linux/time.h>
+#include <linux/err.h>
+#include <linux/clk.h>
 
 #include <asm/time.h>
 #include <asm/mach-ar7/ar7.h>
 
 void __init plat_time_init(void)
 {
-	mips_hpt_frequency = ar7_cpu_freq() / 2;
+	struct clk *cpu_clk;
+
+	cpu_clk = clk_get(NULL, "cpu");
+	if (IS_ERR(cpu_clk)) {
+		printk(KERN_ERR "unable to get cpu clock\n");
+		return;
+	}
+
+	mips_hpt_frequency = clk_get_rate(cpu_clk) / 2;
 }
-- 
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