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(parent: fa7e224) | patch
dma-direct: provide a arch_dma_clear_uncached hook
authorChristoph Hellwig <[email protected]>
Fri, 21 Feb 2020 20:35:05 +0000 (12:35 -0800)
committerChristoph Hellwig <[email protected]>
Mon, 16 Mar 2020 09:48:12 +0000 (10:48 +0100)
commit999a5d1203baa7cff00586361feae263ee3f23a5
treeb04c578a71b961394e7fe87567684bf0caefbe8btree | snapshot
parentfa7e2247c5729f990c7456fe09f3af99c8f2571bcommit | diff
dma-direct: provide a arch_dma_clear_uncached hook

This allows the arch code to reset the page tables to cached access when
freeing a dma coherent allocation that was set to uncached using
arch_dma_set_uncached.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Robin Murphy <[email protected]>
arch/Kconfig diff | blob | blame | history
include/linux/dma-noncoherent.h diff | blob | blame | history
kernel/dma/direct.c diff | blob | blame | history
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