[PATCH v4 12/12] ARM: Exynos: add support for mct clock setup

Thomas Abraham thomas.abraham at linaro.org
Sat Nov 24 16:18:05 EST 2012


Add support for mct clock lookup and setup to ensure that the mct clock
is has been turned on.

Cc: Kukjin Kim <kgene.kim at samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham at linaro.org>
---
 arch/arm/mach-exynos/mct.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-exynos/mct.c b/arch/arm/mach-exynos/mct.c
index 71e1502..843856f 100644
--- a/arch/arm/mach-exynos/mct.c
+++ b/arch/arm/mach-exynos/mct.c
@@ -488,7 +488,12 @@ static struct local_timer_ops exynos4_mct_tick_ops __cpuinitdata = {
 static void __init exynos4_timer_resources(struct device_node *np)
 {
 #ifdef CONFIG_COMMON_CLK
-	struct clk *tick_clk;
+	struct clk *mct_clk, *tick_clk;
+
+	mct_clk = clk_get(NULL, "mct");
+	if (IS_ERR(mct_clk))
+		panic("%s: unable to retrieve mct clock instance\n", __func__);
+	clk_prepare_enable(mct_clk);
 
 	tick_clk = clk_get(NULL, "fin_pll");
 	if (IS_ERR(tick_clk))
-- 
1.7.4.4




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