From a76fc9dda87b51010e4bc60b5e0065a70180b465 Mon Sep 17 00:00:00 2001
From: Suman Anna <s-anna@ti.com>
Date: Mon, 16 Mar 2015 20:14:02 -0500
Subject: [PATCH] ARM: OMAP: dmtimer: check for pm_runtime_get_sync() failure

The current OMAP dmtimer probe does not check for the return
status of pm_runtime_get_sync() before initializing the timer
registers. Any timer with missing hwmod data would return a
failure here, and the access of registers without enabling the
clocks for the timer would trigger a l3_noc interrupt and a
kernel boot hang. Add proper checking so that the probe would
return a failure graciously without hanging the kernel boot.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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