arm/tegra: clk_get should not be fatal

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>

1 files changed, 8 insertions, 4 deletions

diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c
index e2272d263a83..2f1df471c932 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);