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MIPS: use the generic uncached segment support in dma-direct

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Stop providing the arch alloc/free hooks and just expose the segment
offset instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Burton <paul.burton@mips.com>
This commit is contained in:
Christoph Hellwig
2019-04-28 13:57:39 -05:00
parent c30700db9e
commit 2e96e04d25
4 changed files with 11 additions and 27 deletions
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3
arch/mips/include/asm/page.h
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@@ -258,9 +258,6 @@ extern int __virt_addr_valid(const volatile void *kaddr);
((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#define UNCAC_ADDR(addr) (UNCAC_BASE + __pa(addr))
#define CAC_ADDR(addr) ((unsigned long)__va((addr) - UNCAC_BASE))
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>