Commit 600efe35 authored by Jiaxun Yang's avatar Jiaxun Yang Committed by Thomas Bogendoerfer
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MIPS: c-r4k: Always install dma flush functions 



As nowadays DMA coherence is managed per device, it is possible
to have a system that is defaulted to coherent dma but still
have noncoherent device that needs to use those flush functions.

Just install them unconditionally.

Signed-off-by: default avatarJiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent e0b7fd12

arch/mips/mm/c-r4k.c

+3 −9
Original line number Diff line number Diff line
@@ -1867,15 +1867,9 @@ void r4k_cache_init(void) 
	__local_flush_icache_user_range	= local_r4k_flush_icache_user_range;



#ifdef CONFIG_DMA_NONCOHERENT

	if (dma_default_coherent) {

		_dma_cache_wback_inv	= (void *)cache_noop;

		_dma_cache_wback	= (void *)cache_noop;

		_dma_cache_inv		= (void *)cache_noop;

	} else {

	_dma_cache_wback_inv	= r4k_dma_cache_wback_inv;

	_dma_cache_wback	= r4k_dma_cache_wback_inv;

	_dma_cache_inv		= r4k_dma_cache_inv;

	}

#endif /* CONFIG_DMA_NONCOHERENT */



	build_clear_page();