package/kernel/mac80211/patches/rt2x00/011-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 11/28] 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/net/wireless/ralink/rt2x00/rt2x00mmio.c | 6 +++---
  24  1 file changed, 3 insertions(+), 3 deletions(-)
  25
  26 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.c
  27 +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.c
  28 @@ -119,9 +119,9 @@ static int rt2x00mmio_alloc_queue_dma(st
  29         /*
  30          * Allocate DMA memory for descriptor and buffer.
  31          */
  32 -       addr = dma_zalloc_coherent(rt2x00dev->dev,
  33 -                                  queue->limit * queue->desc_size, &dma,
  34 -                                  GFP_KERNEL);
  35 +       addr = dma_alloc_coherent(rt2x00dev->dev,
  36 +                                 queue->limit * queue->desc_size, &dma,
  37 +                                 GFP_KERNEL);
  38         if (!addr)
  39                 return -ENOMEM;
  40