V4L/DVB (13429): cx18: Add Memory Descriptor List (MDL) layer to buffer handling
authorAndy Walls <awalls@radix.net>
Mon, 9 Nov 2009 02:45:24 +0000 (23:45 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sat, 5 Dec 2009 20:41:51 +0000 (18:41 -0200)
commit52fcb3ecc6707f52dfe4297f96b7609d4ba517fb
treefe8ecd66c20b10e8b2ba63c667a6afe78c23a2e1
parentfa655dda5ce6e5ac4a9b94fd451358edca2ddab8
V4L/DVB (13429): cx18: Add Memory Descriptor List (MDL) layer to buffer handling

Add a Memory Descriptor List (MDL) layer to buffer handling to implement
scatter-gather I/O.  Currently there is still only 1 buffer per MDL.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
12 files changed:
drivers/media/video/cx18/cx18-driver.c
drivers/media/video/cx18/cx18-driver.h
drivers/media/video/cx18/cx18-fileops.c
drivers/media/video/cx18/cx18-ioctl.c
drivers/media/video/cx18/cx18-mailbox.c
drivers/media/video/cx18/cx18-mailbox.h
drivers/media/video/cx18/cx18-queue.c
drivers/media/video/cx18/cx18-queue.h
drivers/media/video/cx18/cx18-streams.c
drivers/media/video/cx18/cx18-streams.h
drivers/media/video/cx18/cx18-vbi.c
drivers/media/video/cx18/cx18-vbi.h