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arm/tegra: clk_get should not be fatal

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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@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Peter De Schrijver 2011-10-26 11:41:41 +03:00 committed by Olof Johansson
parent d695cfa54e
commit 2d85b5d8e1
1 changed files with 8 additions and 4 deletions
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12
arch/arm/mach-tegra/timer.c
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@ -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);