668eb70157
Slightly improves networking throughput on some devices Signed-off-by: Felix Fietkau <nbd@nbd.name>
32 lines
887 B
Diff
32 lines
887 B
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Tue, 5 Dec 2017 12:34:31 +0100
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Subject: [PATCH] MIPS: mm: remove mips_dma_mapping_error
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dma_mapping_error() already checks if ops->mapping_error is a null
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pointer
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/arch/mips/mm/dma-default.c
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+++ b/arch/mips/mm/dma-default.c
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@@ -394,11 +394,6 @@ static void mips_dma_sync_sg_for_device(
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}
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}
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-int mips_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
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-{
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- return 0;
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-}
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-
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int mips_dma_supported(struct device *dev, u64 mask)
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{
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return plat_dma_supported(dev, mask);
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@@ -427,7 +422,6 @@ static struct dma_map_ops mips_default_d
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.sync_single_for_device = mips_dma_sync_single_for_device,
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.sync_sg_for_cpu = mips_dma_sync_sg_for_cpu,
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.sync_sg_for_device = mips_dma_sync_sg_for_device,
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- .mapping_error = mips_dma_mapping_error,
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.dma_supported = mips_dma_supported
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};
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