From 5ddff43435394c1c2540fcdeed00cb54862c31bf Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 8 Oct 2007 11:43:49 -0300 Subject: V4L/DVB (6290): remove videobuf_set_pci_ops Before the videobuf redesign, a procedure for re-using videobuf without PCI scatter/gather where provided by changing the pci-dependent operations by other operations. With the newer approach, those methods are obsolete and can safelly be removed. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/videobuf-dma-sg.c | 62 +++-------------------------------- 1 file changed, 4 insertions(+), 58 deletions(-) (limited to 'drivers/media') diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index 05dd38343fa3..a38efe10feb4 100644 --- a/drivers/media/video/videobuf-dma-sg.c +++ b/drivers/media/video/videobuf-dma-sg.c @@ -220,7 +220,6 @@ int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction, int videobuf_dma_map(struct videobuf_queue* q,struct videobuf_dmabuf *dma) { void *dev=q->dev; - struct videobuf_dma_sg_ops *ops=q->priv_ops; MAGIC_CHECK(dma->magic,MAGIC_DMABUF); BUG_ON(0 == dma->nr_pages); @@ -247,10 +246,8 @@ int videobuf_dma_map(struct videobuf_queue* q,struct videobuf_dmabuf *dma) return -ENOMEM; } if (!dma->bus_addr) { - if (ops && ops->vb_map_sg) { - dma->sglen = ops->vb_map_sg(dev,dma->sglist, + dma->sglen = pci_map_sg(dev,dma->sglist, dma->nr_pages, dma->direction); - } if (0 == dma->sglen) { printk(KERN_WARNING "%s: videobuf_map_sg failed\n",__FUNCTION__); @@ -266,30 +263,24 @@ int videobuf_dma_map(struct videobuf_queue* q,struct videobuf_dmabuf *dma) int videobuf_dma_sync(struct videobuf_queue *q,struct videobuf_dmabuf *dma) { void *dev=q->dev; - struct videobuf_dma_sg_ops *ops=q->priv_ops; MAGIC_CHECK(dma->magic,MAGIC_DMABUF); BUG_ON(!dma->sglen); - if (!dma->bus_addr && ops && ops->vb_dma_sync_sg) - ops->vb_dma_sync_sg(dev,dma->sglist,dma->nr_pages, - dma->direction); - + pci_dma_sync_sg_for_cpu (dev,dma->sglist,dma->nr_pages,dma->direction); return 0; } int videobuf_dma_unmap(struct videobuf_queue* q,struct videobuf_dmabuf *dma) { void *dev=q->dev; - struct videobuf_dma_sg_ops *ops=q->priv_ops; MAGIC_CHECK(dma->magic,MAGIC_DMABUF); if (!dma->sglen) return 0; - if (!dma->bus_addr && ops && ops->vb_unmap_sg) - ops->vb_unmap_sg(dev,dma->sglist,dma->nr_pages, - dma->direction); + pci_unmap_sg (dev,dma->sglist,dma->nr_pages,dma->direction); + kfree(dma->sglist); dma->sglist = NULL; dma->sglen = 0; @@ -325,12 +316,8 @@ int videobuf_dma_free(struct videobuf_dmabuf *dma) int videobuf_pci_dma_map(struct pci_dev *pci,struct videobuf_dmabuf *dma) { struct videobuf_queue q; - struct videobuf_dma_sg_ops qops; q.dev=pci; - qops.vb_map_sg=(vb_map_sg_t *)pci_map_sg; - qops.vb_unmap_sg=(vb_map_sg_t *)pci_unmap_sg; - q.priv_ops = &qops; return (videobuf_dma_map(&q,dma)); } @@ -338,12 +325,8 @@ int videobuf_pci_dma_map(struct pci_dev *pci,struct videobuf_dmabuf *dma) int videobuf_pci_dma_unmap(struct pci_dev *pci,struct videobuf_dmabuf *dma) { struct videobuf_queue q; - struct videobuf_dma_sg_ops qops; q.dev=pci; - qops.vb_map_sg=(vb_map_sg_t *)pci_map_sg; - qops.vb_unmap_sg=(vb_map_sg_t *)pci_unmap_sg; - q.priv_ops = &qops; return (videobuf_dma_unmap(&q,dma)); } @@ -712,46 +695,10 @@ void videobuf_queue_pci_init(struct videobuf_queue* q, unsigned int msize, void *priv) { - struct videobuf_dma_sg_ops *priv_ops; - videobuf_queue_init(q, ops, dev, irqlock, type, field, msize, priv); q->int_ops=&pci_ops; - - /* FIXME: the code bellow should be removed after having a proper - * memory allocation method for vivi and tm6000 - */ - q->priv_ops= kzalloc(sizeof(struct videobuf_dma_sg_ops), GFP_KERNEL); - BUG_ON (!q->priv_ops); - - priv_ops=q->priv_ops; - - /* Sets default methods for handling Scatter Gather mapping */ - priv_ops->vb_map_sg=(vb_map_sg_t *)pci_map_sg; - priv_ops->vb_unmap_sg=(vb_map_sg_t *)pci_unmap_sg; - priv_ops->vb_dma_sync_sg=(vb_map_sg_t *)pci_dma_sync_sg_for_cpu; } -void videobuf_set_pci_ops (struct videobuf_queue* q, - struct videobuf_dma_sg_ops *ops) -{ - kfree (q->priv_ops); - - q->priv_ops=ops; - - if (!ops) - return; - - /* If not specified, defaults to PCI map sg */ - if (!ops->vb_map_sg) - ops->vb_map_sg=(vb_map_sg_t *)pci_map_sg; - - if (!ops->vb_dma_sync_sg) - ops->vb_dma_sync_sg=(vb_map_sg_t *)pci_dma_sync_sg_for_cpu; - if (!ops->vb_unmap_sg) - ops->vb_unmap_sg=(vb_map_sg_t *)pci_unmap_sg; -} - - /* --------------------------------------------------------------------- */ EXPORT_SYMBOL_GPL(videobuf_vmalloc_to_sg); @@ -771,7 +718,6 @@ EXPORT_SYMBOL_GPL(videobuf_pci_dma_unmap); EXPORT_SYMBOL_GPL(videobuf_pci_alloc); EXPORT_SYMBOL_GPL(videobuf_queue_pci_init); -EXPORT_SYMBOL_GPL(videobuf_set_pci_ops); /* * Local variables: -- cgit v1.2.3-59-g8ed1b