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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-04 10:38:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-04 10:38:08 -0700
commitf63b759c44b0561c76a67894c734157df3313b42 (patch)
tree4e9638f6c1aa5c0faa62ad4213282cc7cb39772a /drivers/media/video/videobuf-vmalloc.c
parent4a35cee066df1b1958e25e71595b3845d06b192e (diff)
parent844a9e93d7fcd910cd94f6eb262e2cc43cacbe56 (diff)
downloadlinux-f63b759c44b0561c76a67894c734157df3313b42.tar.gz
Merge branch 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (243 commits) V4L/DVB: sms: Convert IR support to use the Remote Controller core V4L/DVB: sms: properly initialize IR phys and IR name V4L/DVB: standardize names at rc-dib0700 tables V4L/DVB: smsusb: enable IR port for Hauppauge WinTV MiniStick V4L/DVB: dib0700: Fix RC protocol logic to properly handle NEC/NECx and RC-5 V4L/DVB: dib0700: properly implement IR change_protocol V4L/DVB: dib0700: break keytable into NEC and RC-5 variants V4L/DVB: dib0700: avoid bad repeat V4L/DVB: Port dib0700 to rc-core V4L/DVB: Add a keymap file with dib0700 table V4L/DVB: dvb-usb: add support for rc-core mode V4L/DVB: dvb-usb: prepare drivers for using rc-core V4L/DVB: dvb-usb: get rid of struct dvb_usb_rc_key V4L/DVB: rj54n1cb0c: fix a comment in the driver V4L/DVB: V4L2: sh_vou: VOU does support the full PAL resolution too V4L/DVB: V4L2: sh_mobile_camera_ceu: add support for CSI2 V4L/DVB: V4L2: soc-camera: add a MIPI CSI-2 driver for SH-Mobile platforms V4L/DVB: V4L2: soc-camera: export soc-camera bus type for notifications V4L/DVB: V4L2: mediabus: add 12-bit Bayer and YUV420 pixel formats V4L/DVB: mediabus: fix ambiguous pixel code names ...
Diffstat (limited to 'drivers/media/video/videobuf-vmalloc.c')
-rw-r--r--drivers/media/video/videobuf-vmalloc.c36
1 files changed, 17 insertions, 19 deletions
diff --git a/drivers/media/video/videobuf-vmalloc.c b/drivers/media/video/videobuf-vmalloc.c
index 583728f4c221..e7fe31d54f07 100644
--- a/drivers/media/video/videobuf-vmalloc.c
+++ b/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;
@@ -135,7 +135,7 @@ static const struct vm_operations_struct videobuf_vm_ops = {
struct videobuf_dma_sg_memory
*/
-static struct videobuf_buffer *__videobuf_alloc(size_t size)
+static struct videobuf_buffer *__videobuf_alloc_vb(size_t size)
{
struct videobuf_vmalloc_memory *mem;
struct videobuf_buffer *vb;
@@ -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;
@@ -245,8 +245,6 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q,
return -ENOMEM;
buf->map = map;
- map->start = vma->vm_start;
- map->end = vma->vm_end;
map->q = q;
buf->baddr = vma->vm_start;
@@ -256,18 +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;
}
@@ -293,7 +291,7 @@ error:
static struct videobuf_qtype_ops qops = {
.magic = MAGIC_QTYPE_OPS,
- .alloc = __videobuf_alloc,
+ .alloc_vb = __videobuf_alloc_vb,
.iolock = __videobuf_iolock,
.mmap_mapper = __videobuf_mmap_mapper,
.vaddr = videobuf_to_vmalloc,
@@ -319,7 +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);
@@ -341,8 +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;
}