Thread (24 messages) 24 messages, 3 authors, 2012-11-15
STALE4948d
Revisions (3)
  1. v3 current
  2. v4 [diff vs current]
  3. v5 [diff vs current]

[PATCH v3 11/11] ARM: Exynos: add support for mct clock setup

From: Thomas Abraham <hidden>
Date: 2012-11-14 22:07:33
Also in: linux-devicetree, linux-samsung-soc
Subsystem: arm port, the rest · Maintainers: Russell King, Linus Torvalds

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

Cc: Kukjin Kim <redacted>
Signed-off-by: Thomas Abraham <redacted>
---
 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 47bc6b35..09815a9 100644
--- a/arch/arm/mach-exynos/mct.c
+++ b/arch/arm/mach-exynos/mct.c
@@ -489,7 +489,12 @@ static struct local_timer_ops exynos4_mct_tick_ops __cpuinitdata = {
 
 static void __init exynos4_timer_resources(struct device_node *np)
 {
-	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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