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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-28 13:27:35 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-28 13:27:35 +0300
commitb24d0d5b12a678b96676348976982686fbe222b4 (patch)
tree565ce37d2d971cb94436241bc2ac48028b6b66d0 /arch/x86/kernel/pci-nommu.c
parent4ac0d3fb13d5acc138d8be7c45715567c2e2ec47 (diff)
parent3eb2ce825ea1ad89d20f7a3b5780df850e4be274 (diff)
downloadlinux-b24d0d5b12a678b96676348976982686fbe222b4.tar.xz
Merge 4.16-rc7 into char-misc-next
We want the hyperv fix in here for merging and testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kernel/pci-nommu.c')
-rw-r--r--arch/x86/kernel/pci-nommu.c19
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c
index 618285e475c6..ac7ea3a8242f 100644
--- a/arch/x86/kernel/pci-nommu.c
+++ b/arch/x86/kernel/pci-nommu.c
@@ -37,7 +37,6 @@ static dma_addr_t nommu_map_page(struct device *dev, struct page *page,
WARN_ON(size == 0);
if (!check_addr("map_single", dev, bus, size))
return NOMMU_MAPPING_ERROR;
- flush_write_buffers();
return bus;
}
@@ -72,25 +71,9 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
return 0;
s->dma_length = s->length;
}
- flush_write_buffers();
return nents;
}
-static void nommu_sync_single_for_device(struct device *dev,
- dma_addr_t addr, size_t size,
- enum dma_data_direction dir)
-{
- flush_write_buffers();
-}
-
-
-static void nommu_sync_sg_for_device(struct device *dev,
- struct scatterlist *sg, int nelems,
- enum dma_data_direction dir)
-{
- flush_write_buffers();
-}
-
static int nommu_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
return dma_addr == NOMMU_MAPPING_ERROR;
@@ -101,8 +84,6 @@ const struct dma_map_ops nommu_dma_ops = {
.free = dma_generic_free_coherent,
.map_sg = nommu_map_sg,
.map_page = nommu_map_page,
- .sync_single_for_device = nommu_sync_single_for_device,
- .sync_sg_for_device = nommu_sync_sg_for_device,
.is_phys = 1,
.mapping_error = nommu_mapping_error,
.dma_supported = x86_dma_supported,