target/linux/apm821xx/patches-4.14/023-0005-cross-tree-phase-out-dma_zalloc_coherent.patch

   1 From 750afb08ca71310fcf0c4e2cb1565c63b8235b60 Mon Sep 17 00:00:00 2001
   2 From: Luis Chamberlain <mcgrof@kernel.org>
   3 Date: Fri, 4 Jan 2019 09:23:09 +0100
   4 Subject: [PATCH 05/15] cross-tree: phase out dma_zalloc_coherent()
   5
   6 We already need to zero out memory for dma_alloc_coherent(), as such
   7 using dma_zalloc_coherent() is superflous. Phase it out.
   8
   9 This change was generated with the following Coccinelle SmPL patch:
  10
  11 @ replace_dma_zalloc_coherent @
  12 expression dev, size, data, handle, flags;
  13 @@
  14
  15 -dma_zalloc_coherent(dev, size, handle, flags)
  16 +dma_alloc_coherent(dev, size, handle, flags)
  17
  18 Suggested-by: Christoph Hellwig <hch@lst.de>
  19 Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
  20 [hch: re-ran the script on the latest tree]
  21 Signed-off-by: Christoph Hellwig <hch@lst.de>
  22 ---
  23  drivers/crypto/amcc/crypto4xx_core.c | 6 +++---
  24  1 file changed, 3 insertions(+), 3 deletions(-)
  25
  26 --- a/drivers/crypto/amcc/crypto4xx_core.c
  27 +++ b/drivers/crypto/amcc/crypto4xx_core.c
  28 @@ -283,9 +283,9 @@ static u32 crypto4xx_put_pd_to_pdr(struc
  29   */
  30  static u32 crypto4xx_build_gdr(struct crypto4xx_device *dev)
  31  {
  32 -       dev->gdr = dma_zalloc_coherent(dev->core_dev->device,
  33 -                                      sizeof(struct ce_gd) * PPC4XX_NUM_GD,
  34 -                                      &dev->gdr_pa, GFP_ATOMIC);
  35 +       dev->gdr = dma_alloc_coherent(dev->core_dev->device,
  36 +                                     sizeof(struct ce_gd) * PPC4XX_NUM_GD,
  37 +                                     &dev->gdr_pa, GFP_ATOMIC);
  38         if (!dev->gdr)
  39                 return -ENOMEM;
  40