target/linux/bcm27xx/patches-5.4/950-0727-dma-buf-heaps-Use-_IOCTL_-for-userspace-IOCTL-identi.patch

   1 From 8153056fa1d45394057017843070d3a366dbd918 Mon Sep 17 00:00:00 2001
   2 From: "Andrew F. Davis" <afd@ti.com>
   3 Date: Mon, 16 Dec 2019 08:34:04 -0500
   4 Subject: [PATCH] dma-buf: heaps: Use _IOCTL_ for userspace IOCTL
   5  identifier
   6
   7 Commit b3b4346544b571c96d46be615b9db69a601ce4c8 upstream.
   8
   9 This is more consistent with the DMA and DRM frameworks convention. This
  10 patch is only a name change, no logic is changed.
  11
  12 Signed-off-by: Andrew F. Davis <afd@ti.com>
  13 Acked-by: John Stultz <john.stultz@linaro.org>
  14 Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
  15 Link: https://patchwork.freedesktop.org/patch/msgid/20191216133405.1001-2-afd@ti.com
  16 ---
  17  drivers/dma-buf/dma-heap.c                         | 4 ++--
  18  include/uapi/linux/dma-heap.h                      | 4 ++--
  19  tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c | 2 +-
  20  3 files changed, 5 insertions(+), 5 deletions(-)
  21
  22 --- a/drivers/dma-buf/dma-heap.c
  23 +++ b/drivers/dma-buf/dma-heap.c
  24 @@ -107,7 +107,7 @@ static long dma_heap_ioctl_allocate(stru
  25  }
  26
  27  unsigned int dma_heap_ioctl_cmds[] = {
  28 -       DMA_HEAP_IOC_ALLOC,
  29 +       DMA_HEAP_IOCTL_ALLOC,
  30  };
  31
  32  static long dma_heap_ioctl(struct file *file, unsigned int ucmd,
  33 @@ -153,7 +153,7 @@ static long dma_heap_ioctl(struct file *
  34                 memset(kdata + in_size, 0, ksize - in_size);
  35
  36         switch (kcmd) {
  37 -       case DMA_HEAP_IOC_ALLOC:
  38 +       case DMA_HEAP_IOCTL_ALLOC:
  39                 ret = dma_heap_ioctl_allocate(file, kdata);
  40                 break;
  41         default:
  42 --- a/include/uapi/linux/dma-heap.h
  43 +++ b/include/uapi/linux/dma-heap.h
  44 @@ -42,12 +42,12 @@ struct dma_heap_allocation_data {
  45  #define DMA_HEAP_IOC_MAGIC             'H'
  46
  47  /**
  48 - * DOC: DMA_HEAP_IOC_ALLOC - allocate memory from pool
  49 + * DOC: DMA_HEAP_IOCTL_ALLOC - allocate memory from pool
  50   *
  51   * Takes a dma_heap_allocation_data struct and returns it with the fd field
  52   * populated with the dmabuf handle of the allocation.
  53   */
  54 -#define DMA_HEAP_IOC_ALLOC     _IOWR(DMA_HEAP_IOC_MAGIC, 0x0,\
  55 +#define DMA_HEAP_IOCTL_ALLOC   _IOWR(DMA_HEAP_IOC_MAGIC, 0x0,\
  56                                       struct dma_heap_allocation_data)
  57
  58  #endif /* _UAPI_LINUX_DMABUF_POOL_H */
  59 --- a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c
  60 +++ b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c
  61 @@ -116,7 +116,7 @@ static int dmabuf_heap_alloc_fdflags(int
  62         if (!dmabuf_fd)
  63                 return -EINVAL;
  64
  65 -       ret = ioctl(fd, DMA_HEAP_IOC_ALLOC, &data);
  66 +       ret = ioctl(fd, DMA_HEAP_IOCTL_ALLOC, &data);
  67         if (ret < 0)
  68                 return ret;
  69         *dmabuf_fd = (int)data.fd;