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ARM: kill off arch_is_coherent

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With ixp2xxx removed, there are no platforms that define arch_is_coherent,
so the last occurrences of arch_is_coherent can be removed. Any new
platform with coherent i/o should use coherent dma mapping functions.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
This commit is contained in:
Rob Herring
2012-08-21 12:26:24 +02:00
committed by Marek Szyprowski
parent 0fa478df44
commit 48aa820f1e
3 changed files with 6 additions and 26 deletions
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8
arch/arm/include/asm/memory.h
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@@ -275,14 +275,6 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
/*
* Optional coherency support. Currently used only by selected
* Intel XSC3-based systems.
*/
#ifndef arch_is_coherent
#define arch_is_coherent() 0
#endif
#endif
#include <asm-generic/memory_model.h>