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authorChristoph Hellwig <hch@lst.de>2020-09-01 13:28:13 +0200
committerChristoph Hellwig <hch@lst.de>2020-09-25 06:20:46 +0200
commit5a84292271402cffe0717bc58e2ad9a0c7977272 (patch)
tree9294a02e1c2e9d1bf08f59641d910ac8070eb32d /arch
parent53c700: convert to dma_alloc_noncoherent (diff)
downloadlinux-dev-5a84292271402cffe0717bc58e2ad9a0c7977272.tar.xz
linux-dev-5a84292271402cffe0717bc58e2ad9a0c7977272.zip
dma-mapping: remove dma_cache_sync
All users are gone now, remove the API. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> (MIPS part)
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/Kconfig1
-rw-r--r--arch/mips/jazz/jazzdma.c1
-rw-r--r--arch/mips/mm/dma-noncoherent.c6
-rw-r--r--arch/parisc/Kconfig1
-rw-r--r--arch/parisc/kernel/pci-dma.c6
5 files changed, 0 insertions, 15 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 8f328298f8cc..92b0fde3d882 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -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
diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c
index dab4d058cea9..2bf849caf507 100644
--- a/arch/mips/jazz/jazzdma.c
+++ b/arch/mips/jazz/jazzdma.c
@@ -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,
};
diff --git a/arch/mips/mm/dma-noncoherent.c b/arch/mips/mm/dma-noncoherent.c
index 97a14adbafc9..f34ad1f09799 100644
--- a/arch/mips/mm/dma-noncoherent.c
+++ b/arch/mips/mm/dma-noncoherent.c
@@ -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)
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 3b0f53dd70bc..ed15da1da174 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -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
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index 38c68e131bbe..ce38c0b91581 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -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);
-}