target/linux/generic/pending-4.14/340-MIPS-mm-remove-mips_dma_mapping_error.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Tue, 5 Dec 2017 12:34:31 +0100
   3 Subject: [PATCH] MIPS: mm: remove mips_dma_mapping_error
   4
   5 dma_mapping_error() already checks if ops->mapping_error is a null
   6 pointer
   7
   8 Signed-off-by: Felix Fietkau <nbd@nbd.name>
   9 ---
  10
  11 --- a/arch/mips/mm/dma-default.c
  12 +++ b/arch/mips/mm/dma-default.c
  13 @@ -373,11 +373,6 @@ static void mips_dma_sync_sg_for_device(
  14         }
  15  }
  16
  17 -static int mips_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
  18 -{
  19 -       return 0;
  20 -}
  21 -
  22  static int mips_dma_supported(struct device *dev, u64 mask)
  23  {
  24         return plat_dma_supported(dev, mask);
  25 @@ -406,7 +401,6 @@ static const struct dma_map_ops mips_def
  26         .sync_single_for_device = mips_dma_sync_single_for_device,
  27         .sync_sg_for_cpu = mips_dma_sync_sg_for_cpu,
  28         .sync_sg_for_device = mips_dma_sync_sg_for_device,
  29 -       .mapping_error = mips_dma_mapping_error,
  30         .dma_supported = mips_dma_supported
  31  };
  32