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@xxxxxxxxxxx>
Signed-off-by: Thomas Abraham <thomas.abraham@xxxxxxxxxx>
---
arch/arm/mach-exynos/mct.c | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-exynos/mct.c b/arch/arm/mach-exynos/mct.c
index 448ce86..71e1502 100644
--- a/arch/arm/mach-exynos/mct.c
+++ b/arch/arm/mach-exynos/mct.c
@@ -487,10 +487,22 @@ 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;
+
+ 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);
+#else
+ /*
+ * todo: remove this legacy code after adding common clock support for
+ * exynos5250.
+ */
struct clk *mct_clk;
mct_clk = clk_get(NULL, "xtal");
-
clk_rate = clk_get_rate(mct_clk);
+#endif
reg_base = np ? of_iomap(np, 0) : S5P_VA_SYSTIMER;
if (!reg_base)
--
1.7.4.4
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