[PATCHv2] arm/tegra: clk_get should not be fatal

From: pdeschrijver
Date: Wed Oct 26 2011 - 04:42:06 EST


From: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>

The timer and rtc-timer clocks aren't gated by default, so there is no reason
to crash the system if the dummy enable call failed.

Signed-off-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
---
arch/arm/mach-tegra/timer.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c
index e2272d2..2f1df47 100644
--- a/arch/arm/mach-tegra/timer.c
+++ b/arch/arm/mach-tegra/timer.c
@@ -186,16 +186,20 @@ static void __init tegra_init_timer(void)
int ret;

clk = clk_get_sys("timer", NULL);
- BUG_ON(IS_ERR(clk));
- clk_enable(clk);
+ if (IS_ERR(clk))
+ pr_warn("Unable to get timer clock\n");
+ else
+ clk_enable(clk);

/*
* rtc registers are used by read_persistent_clock, keep the rtc clock
* enabled
*/
clk = clk_get_sys("rtc-tegra", NULL);
- BUG_ON(IS_ERR(clk));
- clk_enable(clk);
+ if (IS_ERR(clk))
+ pr_warn("Unable to get rtc-tegra clock\n");
+ else
+ clk_enable(clk);

#ifdef CONFIG_HAVE_ARM_TWD
twd_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x600);
--
1.7.7.rc0.72.g4b5ea.dirty

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