From: Will Deacon <will.deacon@arm.com>
Date: Fri, 21 Sep 2012 16:53:08 +0000 (+0100)
Subject: ARM: hw_breakpoint: don't try to clear v6 debug registers during boot
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~53^2^2~8^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7f4050a07be8ce5fad069722326ccd550577a93a;p=pandora-kernel.git

ARM: hw_breakpoint: don't try to clear v6 debug registers during boot

v6 cores do not provide a way to clear the debug registers without first
enabling monitor mode, meaning that we could take spurious debug
exceptions. Instead, rely on the registers being in a sane state when we
boot as they are defined to be disabled out of reset anyway.

Tested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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