• Christophe JAILLET's avatar
    media: saa7146: switch from 'pci_' to 'dma_' API · 9c0660e4
    Christophe JAILLET authored
    The wrappers in include/linux/pci-dma-compat.h should go away.
    
    The patch has been generated with the coccinelle script below and has been
    hand modified to replace GFP_ with a correct flag.
    It has been compile tested.
    
    When memory is allocated in 'saa7146_pgtable_alloc()' GFP_KERNEL can be
    used because the callers are either .buf_prepare functions or function that
    already use GFP_KERNEL (hidden in a 'vmalloc_32()' call).
    
    When memory is allocated in 'saa7146_init_one()' GFP_KERNEL can be used
    because it is probe function and no lock is taken in the between.
    
    When memory is allocated in 'saa7146_vv_init()' GFP_KERNEL can be used
    because this function already uses GFP_KERNEL and no lock is taken in the
    between.
    
    When memory is allocated in 'vbi_workaround()' GFP_KERNEL can be used
    because it is only called from a .open function.
    
    @@
    @@
    -    PCI_DMA_BIDIRECTIONAL
    +    DMA_BIDIRECTIONAL
    
    @@
    @@
    -    PCI_DMA_TODEVICE
    +    DMA_TO_DEVICE
    
    @@
    @@
    -    PCI_DMA_FROMDEVICE
    +    DMA_FROM_DEVICE
    
    @@
    @@
    -    PCI_DMA_NONE
    +    DMA_NONE
    
    @@
    expression e1, e2, e3;
    @@
    -    pci_alloc_consistent(e1, e2, e3)
    +    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
    
    @@
    expression e1, e2, e3;
    @@
    -    pci_zalloc_consistent(e1, e2, e3)
    +    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
    
    @@
    expression e1, e2, e3, e4;
    @@
    -    pci_free_consistent(e1, e2, e3, e4)
    +    dma_free_coherent(&e1->dev, e2, e3, e4)
    
    @@
    expression e1, e2, e3, e4;
    @@
    -    pci_map_single(e1, e2, e3, e4)
    +    dma_map_single(&e1->dev, e2, e3, e4)
    
    @@
    expression e1, e2, e3, e4;
    @@
    -    pci_unmap_single(e1, e2, e3, e4)
    +    dma_unmap_single(&e1->dev, e2, e3, e4)
    
    @@
    expression e1, e2, e3, e4, e5;
    @@
    -    pci_map_page(e1, e2, e3, e4, e5)
    +    dma_map_page(&e1->dev, e2, e3, e4, e5)
    
    @@
    expression e1, e2, e3, e4;
    @@
    -    pci_unmap_page(e1, e2, e3, e4)
    +    dma_unmap_page(&e1->dev, e2, e3, e4)
    
    @@
    expression e1, e2, e3, e4;
    @@
    -    pci_map_sg(e1, e2, e3, e4)
    +    dma_map_sg(&e1->dev, e2, e3, e4)
    
    @@
    expression e1, e2, e3, e4;
    @@
    -    pci_unmap_sg(e1, e2, e3, e4)
    +    dma_unmap_sg(&e1->dev, e2, e3, e4)
    
    @@
    expression e1, e2, e3, e4;
    @@
    -    pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
    +    dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)
    
    @@
    expression e1, e2, e3, e4;
    @@
    -    pci_dma_sync_single_for_device(e1, e2, e3, e4)
    +    dma_sync_single_for_device(&e1->dev, e2, e3, e4)
    
    @@
    expression e1, e2, e3, e4;
    @@
    -    pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
    +    dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)
    
    @@
    expression e1, e2, e3, e4;
    @@
    -    pci_dma_sync_sg_for_device(e1, e2, e3, e4)
    +    dma_sync_sg_for_device(&e1->dev, e2, e3, e4)
    
    @@
    expression e1, e2;
    @@
    -    pci_dma_mapping_error(e1, e2)
    +    dma_mapping_error(&e1->dev, e2)
    
    @@
    expression e1, e2;
    @@
    -    pci_set_dma_mask(e1, e2)
    +    dma_set_mask(&e1->dev, e2)
    
    @@
    expression e1, e2;
    @@
    -    pci_set_consistent_dma_mask(e1, e2)
    +    dma_set_coherent_mask(&e1->dev, e2)
    Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
    Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
    Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
    9c0660e4
saa7146_fops.c 16.8 KB