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authorWill Deacon <will.deacon@arm.com>2019-02-22 12:48:44 +0000
committerWill Deacon <will.deacon@arm.com>2019-04-08 11:59:39 +0100
commitd1be6a28b13ce6d1bc42bf9b6a9454c65839225b (patch)
tree320fd6244998529491991e7012ebfc5dd9709d4a /arch/openrisc/include/asm/Kbuild
parent4614bbdee35706ed77c130d23f12e21479b670ff (diff)
asm-generic/mmiowb: Add generic implementation of mmiowb() tracking
In preparation for removing all explicit mmiowb() calls from driver code, implement a tracking system in asm-generic based loosely on the PowerPC implementation. This allows architectures with a non-empty mmiowb() definition to have the barrier automatically inserted in spin_unlock() following a critical section containing an I/O write. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/openrisc/include/asm/Kbuild')
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