[PATCH v3 10/11] ARM: Exynos: use fin_pll clock as the tick clock source for mct

Thomas Abraham thomas.abraham at linaro.org
Thu Nov 15 09:07:32 EST 2012


With the migration of Exynos4 clocks to use common clock framework, the old
styled 'xtal' clock is not used anymore. Instead, the clock 'fin_pll' is used
as the tick clock for mct controller.

Cc: Kukjin Kim <kgene.kim at samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham at linaro.org>
---
 arch/arm/mach-exynos/mct.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-exynos/mct.c b/arch/arm/mach-exynos/mct.c
index cd061b2..47bc6b35 100644
--- a/arch/arm/mach-exynos/mct.c
+++ b/arch/arm/mach-exynos/mct.c
@@ -489,10 +489,12 @@ static struct local_timer_ops exynos4_mct_tick_ops __cpuinitdata = {
 
 static void __init exynos4_timer_resources(struct device_node *np)
 {
-	struct clk *mct_clk;
-	mct_clk = clk_get(NULL, "xtal");
+	struct clk *tick_clk;
 
-	clk_rate = clk_get_rate(mct_clk);
+	tick_clk = clk_get(NULL, "fin_pll");
+	if (IS_ERR(tick_clk))
+		panic("%s: unable to determine tick clock rate\n", __func__);
+	clk_rate = clk_get_rate(tick_clk);
 
 	reg_base = (np) ? of_iomap(np, 0) : S5P_VA_SYSTIMER;
 	if (!reg_base)
-- 
1.7.4.4



More information about the devicetree-discuss mailing list