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[media] pxa_camera: trivial move of dma irq functions 

This moves the dma irq handling functions up in the source file, so that
they are available before DMA preparation functions. It prepares the
conversion to DMA engine, where the descriptors are populated with these
functions as callbacks.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Robert Jarzmik 2015-09-06 08:42:12 -03:00 committed by Mauro Carvalho Chehab
parent e623ebe6d9
commit e5853918d6
1 changed files with 24 additions and 18 deletions
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42
drivers/media/platform/soc_camera/pxa_camera.c
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@ -311,6 +311,30 @@ static int calculate_dma_sglen(struct scatterlist *sglist, int sglen,
return i + 1;
}
static void pxa_camera_dma_irq(int channel, struct pxa_camera_dev *pcdev,
enum pxa_camera_active_dma act_dma);
static void pxa_camera_dma_irq_y(int channel, void *data)
{
struct pxa_camera_dev *pcdev = data;
pxa_camera_dma_irq(channel, pcdev, DMA_Y);
}
static void pxa_camera_dma_irq_u(int channel, void *data)
{
struct pxa_camera_dev *pcdev = data;
pxa_camera_dma_irq(channel, pcdev, DMA_U);
}
static void pxa_camera_dma_irq_v(int channel, void *data)
{
struct pxa_camera_dev *pcdev = data;
pxa_camera_dma_irq(channel, pcdev, DMA_V);
}
/**
* pxa_init_dma_channel - init dma descriptors
* @pcdev: pxa camera device
@ -802,24 +826,6 @@ static void pxa_camera_dma_irq(int channel, struct pxa_camera_dev *pcdev,
spin_unlock_irqrestore(&pcdev->lock, flags);
}
static void pxa_camera_dma_irq_y(int channel, void *data)
{
struct pxa_camera_dev *pcdev = data;
pxa_camera_dma_irq(channel, pcdev, DMA_Y);
}
static void pxa_camera_dma_irq_u(int channel, void *data)
{
struct pxa_camera_dev *pcdev = data;
pxa_camera_dma_irq(channel, pcdev, DMA_U);
}
static void pxa_camera_dma_irq_v(int channel, void *data)
{
struct pxa_camera_dev *pcdev = data;
pxa_camera_dma_irq(channel, pcdev, DMA_V);
}
static struct videobuf_queue_ops pxa_videobuf_ops = {
.buf_setup = pxa_videobuf_setup,
.buf_prepare = pxa_videobuf_prepare,