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authorT.J. Purtell2013-11-06 18:38:05 +0100
committerRussell King2013-11-07 00:19:06 +0000
commit6ecf830e5029598732e04067e325d946097519cb (patch)
treeb174b452cca9b7c9aa44a79cfa963b7c03539628 /drivers/gpio
parente16b31bf47738f4498d7ce632e12d7d2a6a2492a (diff)
ARM: 7880/1: Clear the IT state independent of the Thumb-2 mode
The ARM architecture reference specifies that the IT state bits in the PSR must be all zeros in ARM mode or behavior is unspecified. On the Qualcomm Snapdragon S4/Krait architecture CPUs the processor continues to consider the IT state bits while in ARM mode. This makes it so that some instructions are skipped by the CPU. Signed-off-by: T.J. Purtell <tj@mobisocial.us> [rmk+kernel@arm.linux.org.uk: fixed whitespace formatting in patch] Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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