]> git.baikalelectronics.ru Git - kernel.git/commit
arm64: add Cortex-A57 erratum 832075 workaround
authorAndre Przywara <andre.przywara@arm.com>
Fri, 14 Nov 2014 15:54:11 +0000 (15:54 +0000)
committerWill Deacon <will.deacon@arm.com>
Tue, 25 Nov 2014 15:56:42 +0000 (15:56 +0000)
commit1255a9289acef19556607a699cfff989c854390f
tree6d7d20ce61c2939548c6b5105bc5130c4f7191ac
parentce363bc28a3b8de4372fd4dd95ed6ce8e9970312
arm64: add Cortex-A57 erratum 832075 workaround

The ARM erratum 832075 applies to certain revisions of Cortex-A57,
one of the workarounds is to change device loads into using
load-aquire semantics.
This is achieved using the alternatives framework.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm64/include/asm/cpufeature.h
arch/arm64/include/asm/io.h
arch/arm64/kernel/cpu_errata.c