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authorWill Deacon <will.deacon@arm.com>2012-04-20 17:22:11 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-04-23 14:21:52 +0100
commitab4d536890853ab6675ede65db40e2c0980cb0ea (patch)
tree3a1d9d7b06c82568a1a6b2e9f21a0576dabc30f4 /arch/arm/vfp
parentf154fe9b806574437b47f08e924ad10c0e240b23 (diff)
ARM: 7398/1: l2x0: only write to debug registers on PL310
PL310 errata #588369 and #727915 require writes to the debug registers of the cache controller to work around known problems. Writing these registers on L220 may cause deadlock, so ensure that we only perform this operation when we identify a PL310 at probe time. Cc: stable@vger.kernel.org Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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