Commit 5a842922 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

dma-mapping: remove dma_cache_sync 



All users are gone now, remove the API.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> (MIPS part)
parent d69d8adc

arch/mips/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -1135,7 +1135,6 @@ config DMA_NONCOHERENT 
	select ARCH_HAS_SYNC_DMA_FOR_DEVICE

	select ARCH_HAS_DMA_SET_UNCACHED

	select DMA_NONCOHERENT_MMAP

	select DMA_NONCOHERENT_CACHE_SYNC

	select NEED_DMA_MAP_STATE



config SYS_HAS_EARLY_PRINTK

arch/mips/jazz/jazzdma.c

+0 −1
Original line number Diff line number Diff line
@@ -620,7 +620,6 @@ const struct dma_map_ops jazz_dma_ops = { 
	.sync_single_for_device	= jazz_dma_sync_single_for_device,

	.sync_sg_for_cpu	= jazz_dma_sync_sg_for_cpu,

	.sync_sg_for_device	= jazz_dma_sync_sg_for_device,

	.cache_sync		= arch_dma_cache_sync,

	.mmap			= dma_common_mmap,

	.get_sgtable		= dma_common_get_sgtable,

};

arch/mips/mm/dma-noncoherent.c

+0 −6
Original line number Diff line number Diff line
@@ -137,12 +137,6 @@ void arch_sync_dma_for_cpu(phys_addr_t paddr, size_t size, 
}

#endif



void arch_dma_cache_sync(struct device *dev, void *vaddr, size_t size,

		enum dma_data_direction direction)

{

	dma_sync_virt_for_device(vaddr, size, direction);

}



#ifdef CONFIG_DMA_PERDEV_COHERENT

void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,

		const struct iommu_ops *iommu, bool coherent)

arch/parisc/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -195,7 +195,6 @@ config PA11 
	depends on PA7000 || PA7100LC || PA7200 || PA7300LC

	select ARCH_HAS_SYNC_DMA_FOR_CPU

	select ARCH_HAS_SYNC_DMA_FOR_DEVICE

	select DMA_NONCOHERENT_CACHE_SYNC



config PREFETCH

	def_bool y

arch/parisc/kernel/pci-dma.c

+0 −6
Original line number Diff line number Diff line
@@ -454,9 +454,3 @@ void arch_sync_dma_for_cpu(phys_addr_t paddr, size_t size, 
{

	flush_kernel_dcache_range((unsigned long)phys_to_virt(paddr), size);

}
 


void arch_dma_cache_sync(struct device *dev, void *vaddr, size_t size,

	       enum dma_data_direction direction)

{

	flush_kernel_dcache_range((unsigned long)vaddr, size);

}

CRA Git | Maintained and supported by SUSTech CRA and CCSE