[PATCH v5 12/12] ARM: Exynos: add support for mct clock setup

[PATCH v5 00/12] clk: exynos4: migrate to common clock framework · Thomas Abraham <hidden> · 2012-12-30
[PATCH v5 01/12] clk: samsung: add common clock framework helper functions for Samsung platforms · Thomas Abraham <hidden> · 2012-12-30
[PATCH v5 02/12] clk: samsung: add pll clock registration helper functions · Thomas Abraham <hidden> · 2012-12-30
[PATCH v5 03/12] clk: exynos4: register clocks using common clock framework · Thomas Abraham <hidden> · 2012-12-30
[PATCH v5 04/12] ARM: Exynos: Rework timer initialization sequence · Thomas Abraham <hidden> · 2012-12-30
[PATCH v5 06/12] ARM: dts: add exynos4 clock controller nodes · Thomas Abraham <hidden> · 2012-12-30
[PATCH v5 07/12] ARM: dts: add xxti and xusbxti fixed rate clock nodes for exynos4 based platforms · Thomas Abraham <hidden> · 2012-12-30
[PATCH v5 08/12] ARM: Exynos4: allow legacy board support to specify xxti and xusbxti clock speed · Thomas Abraham <hidden> · 2012-12-30
[PATCH v5 09/12] ARM: dts: add clock provider information for all controllers in Exynos4 SoC · Thomas Abraham <hidden> · 2012-12-30
[PATCH v5 10/12] ARM: Exynos4: remove auxdata table from machine file · Thomas Abraham <hidden> · 2012-12-30
[PATCH v5 11/12] ARM: Exynos: use fin_pll clock as the tick clock source for mct · Thomas Abraham <hidden> · 2012-12-30
[PATCH v5 12/12] ARM: Exynos: add support for mct clock setup · Thomas Abraham <hidden> · 2012-12-30
Re: [PATCH v5 00/12] clk: exynos4: migrate to common clock framework · Olof Johansson <hidden> · 2012-12-30
RE: [PATCH v5 00/12] clk: exynos4: migrate to common clock framework · Kukjin Kim <hidden> · 2012-12-31
Re: [PATCH v5 00/12] clk: exynos4: migrate to common clock framework · Olof Johansson <hidden> · 2013-01-02
Re: [PATCH v5 00/12] clk: exynos4: migrate to common clock framework · Thomas Abraham <hidden> · 2012-12-31
Re: [PATCH v5 00/12] clk: exynos4: migrate to common clock framework · Olof Johansson <hidden> · 2013-01-02
Re: [PATCH v5 00/12] clk: exynos4: migrate to common clock framework · Sylwester Nawrocki <s.nawrocki@samsung.com> · 2013-01-21
Re: [PATCH v5 00/12] clk: exynos4: migrate to common clock framework · Tomasz Figa <hidden> · 2013-01-21
Re: [PATCH v5 00/12] clk: exynos4: migrate to common clock framework · Mike Turquette <hidden> · 2013-01-21

STALE4882d

Revisions (2)

2012-11-24 v4 [diff vs current]
2012-12-30 v5 current

From: Thomas Abraham <hidden>
Date: 2012-12-30 00:33:41
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 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))

-- 
1.7.5.4

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