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ARM: hw_breakpoint: only clear OS lock when implemented on v7
authorWill Deacon <will.deacon@arm.com>
Fri, 21 Sep 2012 13:53:13 +0000 (14:53 +0100)
committerWill Deacon <will.deacon@arm.com>
Fri, 9 Nov 2012 11:47:05 +0000 (11:47 +0000)
The OS save and restore register are optional in debug architecture v7,
so check the status register before attempting to clear the OS lock.

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

No differences found
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