ARM: hw_breakpoint: only clear OS lock when implemented on v7

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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>

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This commit is contained in:

Will Deacon 2012-09-21 14:53:13 +01:00

parent 3d70f8c617

commit e64877dcf5

1 changed files with 14 additions and 6 deletions

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arch/arm/kernel/hw_breakpoint.c

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