V4L/DVB (7237): Convert videobuf-dma-sg to generic DMA API

videobuf-dma-sg does not need to depend on PCI. Switch it to using generic
DMA API, convert all affected drivers, relax Kconfig restriction, improve
compile-time type checking, fix some Coding Style violations while at it.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c
index 316b106c3511..2f5a4a4ba407 100644
--- a/drivers/media/video/cx88/cx88-alsa.c
+++ b/drivers/media/video/cx88/cx88-alsa.c
@@ -283,7 +283,7 @@ static int dsp_buffer_free(snd_cx88_card_t *chip)
         BUG_ON(!chip->dma_size);
 
         dprintk(2,"Freeing buffer\n");
-        videobuf_pci_dma_unmap(chip->pci, chip->dma_risc);
+        videobuf_sg_dma_unmap(&chip->pci->dev, chip->dma_risc);
         videobuf_dma_free(chip->dma_risc);
         btcx_riscmem_free(chip->pci,&chip->buf->risc);
         kfree(chip->buf);
@@ -385,7 +385,7 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
         BUG_ON(!chip->dma_size);
         BUG_ON(chip->num_periods & (chip->num_periods-1));
 
-        buf = videobuf_pci_alloc(sizeof(*buf));
+        buf = videobuf_sg_alloc(sizeof(*buf));
         if (NULL == buf)
                 return -ENOMEM;
 
@@ -396,14 +396,14 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
         buf->vb.height = chip->num_periods;
         buf->vb.size   = chip->dma_size;
 
-        dma=videobuf_to_dma(&buf->vb);
+        dma = videobuf_to_dma(&buf->vb);
         videobuf_dma_init(dma);
         ret = videobuf_dma_init_kernel(dma, PCI_DMA_FROMDEVICE,
                         (PAGE_ALIGN(buf->vb.size) >> PAGE_SHIFT));
         if (ret < 0)
                 goto error;
 
-        ret = videobuf_pci_dma_map(chip->pci,dma);
+        ret = videobuf_sg_dma_map(&chip->pci->dev, dma);
         if (ret < 0)
                 goto error;