V4L/DVB: videobuf: Rename vmalloc fields to vaddr

The videobuf_dmabuf and videobuf_vmalloc_memory fields have a vmalloc
field to store the kernel virtual address of vmalloc'ed buffers. Rename
the field to vaddr.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx88/cx88-alsa.c

@@ -426,7 +426,7 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
 	chip->buf = buf;
 	chip->dma_risc = dma;
 
-	substream->runtime->dma_area = chip->dma_risc->vmalloc;
+	substream->runtime->dma_area = chip->dma_risc->vaddr;
 	substream->runtime->dma_bytes = chip->dma_size;
 	substream->runtime->dma_addr = 0;
 	return 0;

drivers/media/video/saa7134/saa7134-alsa.c

@@ -669,7 +669,7 @@ static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream,
 	   byte, but it doesn't work. So I allocate the DMA using the
 	   V4L functions, and force ALSA to use that as the DMA area */
 
-	substream->runtime->dma_area = dev->dmasound.dma.vmalloc;
+	substream->runtime->dma_area = dev->dmasound.dma.vaddr;
 	substream->runtime->dma_bytes = dev->dmasound.bufsize;
 	substream->runtime->dma_addr = 0;
 

drivers/media/video/videobuf-dma-sg.c

@@ -211,17 +211,17 @@ int videobuf_dma_init_kernel(struct videobuf_dmabuf *dma, int direction,
 	dprintk(1, "init kernel [%d pages]\n", nr_pages);
 
 	dma->direction = direction;
-	dma->vmalloc = vmalloc_32(nr_pages << PAGE_SHIFT);
-	if (NULL == dma->vmalloc) {
+	dma->vaddr = vmalloc_32(nr_pages << PAGE_SHIFT);
+	if (NULL == dma->vaddr) {
 		dprintk(1, "vmalloc_32(%d pages) failed\n", nr_pages);
 		return -ENOMEM;
 	}
 
 	dprintk(1, "vmalloc is at addr 0x%08lx, size=%d\n",
-				(unsigned long)dma->vmalloc,
+				(unsigned long)dma->vaddr,
 				nr_pages << PAGE_SHIFT);
 
-	memset(dma->vmalloc, 0, nr_pages << PAGE_SHIFT);
+	memset(dma->vaddr, 0, nr_pages << PAGE_SHIFT);
 	dma->nr_pages = nr_pages;
 
 	return 0;
@@ -254,8 +254,8 @@ int videobuf_dma_map(struct device *dev, struct videobuf_dmabuf *dma)
 		dma->sglist = videobuf_pages_to_sg(dma->pages, dma->nr_pages,
 						   dma->offset);
 	}
-	if (dma->vmalloc) {
-		dma->sglist = videobuf_vmalloc_to_sg(dma->vmalloc,
+	if (dma->vaddr) {
+		dma->sglist = videobuf_vmalloc_to_sg(dma->vaddr,
 						     dma->nr_pages);
 	}
 	if (dma->bus_addr) {
@@ -319,8 +319,8 @@ int videobuf_dma_free(struct videobuf_dmabuf *dma)
 		dma->pages = NULL;
 	}
 
-	vfree(dma->vmalloc);
-	dma->vmalloc = NULL;
+	vfree(dma->vaddr);
+	dma->vaddr = NULL;
 
 	if (dma->bus_addr)
 		dma->bus_addr = 0;
@@ -444,7 +444,7 @@ static void *__videobuf_to_vaddr(struct videobuf_buffer *buf)
 
 	MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);
 
-	return mem->dma.vmalloc;
+	return mem->dma.vaddr;
 }
 
 static int __videobuf_iolock(struct videobuf_queue *q,

drivers/media/video/videobuf-vmalloc.c

@@ -102,10 +102,10 @@ static void videobuf_vm_close(struct vm_area_struct *vma)
 				   called with IRQ's disabled
 				 */
 				dprintk(1, "%s: buf[%d] freeing (%p)\n",
-					__func__, i, mem->vmalloc);
+					__func__, i, mem->vaddr);
 
-				vfree(mem->vmalloc);
-				mem->vmalloc = NULL;
+				vfree(mem->vaddr);
+				mem->vaddr = NULL;
 			}
 
 			q->bufs[i]->map   = NULL;
@@ -170,7 +170,7 @@ static int __videobuf_iolock(struct videobuf_queue *q,
 		dprintk(1, "%s memory method MMAP\n", __func__);
 
 		/* All handling should be done by __videobuf_mmap_mapper() */
-		if (!mem->vmalloc) {
+		if (!mem->vaddr) {
 			printk(KERN_ERR "memory is not alloced/mmapped.\n");
 			return -EINVAL;
 		}
@@ -189,13 +189,13 @@ static int __videobuf_iolock(struct videobuf_queue *q,
 		 * read() method.
 		 */
 
-		mem->vmalloc = vmalloc_user(pages);
-		if (!mem->vmalloc) {
+		mem->vaddr = vmalloc_user(pages);
+		if (!mem->vaddr) {
 			printk(KERN_ERR "vmalloc (%d pages) failed\n", pages);
 			return -ENOMEM;
 		}
 		dprintk(1, "vmalloc is at addr %p (%d pages)\n",
-			mem->vmalloc, pages);
+			mem->vaddr, pages);
 
 #if 0
 		int rc;
@@ -254,18 +254,18 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q,
 	MAGIC_CHECK(mem->magic, MAGIC_VMAL_MEM);
 
 	pages = PAGE_ALIGN(vma->vm_end - vma->vm_start);
-	mem->vmalloc = vmalloc_user(pages);
-	if (!mem->vmalloc) {
+	mem->vaddr = vmalloc_user(pages);
+	if (!mem->vaddr) {
 		printk(KERN_ERR "vmalloc (%d pages) failed\n", pages);
 		goto error;
 	}
-	dprintk(1, "vmalloc is at addr %p (%d pages)\n", mem->vmalloc, pages);
+	dprintk(1, "vmalloc is at addr %p (%d pages)\n", mem->vaddr, pages);
 
 	/* Try to remap memory */
-	retval = remap_vmalloc_range(vma, mem->vmalloc, 0);
+	retval = remap_vmalloc_range(vma, mem->vaddr, 0);
 	if (retval < 0) {
 		printk(KERN_ERR "mmap: remap failed with error %d. ", retval);
-		vfree(mem->vmalloc);
+		vfree(mem->vaddr);
 		goto error;
 	}
 
@@ -317,7 +317,7 @@ void *videobuf_to_vmalloc(struct videobuf_buffer *buf)
 	BUG_ON(!mem);
 	MAGIC_CHECK(mem->magic, MAGIC_VMAL_MEM);
 
-	return mem->vmalloc;
+	return mem->vaddr;
 }
 EXPORT_SYMBOL_GPL(videobuf_to_vmalloc);
 
@@ -339,8 +339,8 @@ void videobuf_vmalloc_free(struct videobuf_buffer *buf)
 
 	MAGIC_CHECK(mem->magic, MAGIC_VMAL_MEM);
 
-	vfree(mem->vmalloc);
-	mem->vmalloc = NULL;
+	vfree(mem->vaddr);
+	mem->vaddr = NULL;
 
 	return;
 }

drivers/staging/cx25821/cx25821-alsa.c

@@ -492,7 +492,7 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream,
 	chip->buf = buf;
 	chip->dma_risc = dma;
 
-	substream->runtime->dma_area = chip->dma_risc->vmalloc;
+	substream->runtime->dma_area = chip->dma_risc->vaddr;
 	substream->runtime->dma_bytes = chip->dma_size;
 	substream->runtime->dma_addr = 0;
 

include/media/videobuf-dma-sg.h

@@ -51,7 +51,7 @@ struct videobuf_dmabuf {
 	struct page         **pages;
 
 	/* for kernel buffers */
-	void                *vmalloc;
+	void                *vaddr;
 
 	/* for overlay buffers (pci-pci dma) */
 	dma_addr_t          bus_addr;

include/media/videobuf-vmalloc.h

@@ -22,7 +22,7 @@
 struct videobuf_vmalloc_memory {
 	u32                 magic;
 
-	void                *vmalloc;
+	void                *vaddr;
 
 	/* remap_vmalloc_range seems to need to run
 	 * after mmap() on some cases */