From 52fcb3ecc6707f52dfe4297f96b7609d4ba517fb Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Sun, 8 Nov 2009 23:45:24 -0300 Subject: 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-mailbox.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/media/video/cx18/cx18-mailbox.h') diff --git a/drivers/media/video/cx18/cx18-mailbox.h b/drivers/media/video/cx18/cx18-mailbox.h index e23aaac5b280..5ea07359904c 100644 --- a/drivers/media/video/cx18/cx18-mailbox.h +++ b/drivers/media/video/cx18/cx18-mailbox.h @@ -39,14 +39,14 @@ struct cx18; /* - * This structure is used by CPU to provide completed buffers information - * Its structure is dictrated by the layout of the SCB, required by the + * This structure is used by CPU to provide completed MDL & buffers information. + * Its structure is dictated by the layout of the SCB, required by the * firmware, but its defintion needs to be here, instead of in cx18-scb.h, * for mailbox work order scheduling */ struct cx18_mdl_ack { u32 id; /* ID of a completed MDL */ - u32 data_used; /* Total data filled in the MDL for buffer 'id' */ + u32 data_used; /* Total data filled in the MDL with 'id' */ }; /* The cx18_mailbox struct is the mailbox structure which is used for passing -- cgit