firewire: Rework async receive DMA.

Browse source

The old DMA program for receiving async packets stops DMA while
processing received packets and only expects one packet per
interrupt.  Stopping DMA can silently drop packets and we need to
handle multiple received packets per interrupt.

This new version keeps DMA running at all times and just append new
pages as buffers fill up, and supports multiple packets per interrupt.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

...

This commit is contained in:

Kristian Høgsberg 2007-02-06 14:49:30 -05:00 • committed by Stefan Richter

parent 641f8791f0

commit 32b46093a0

2 changed files with 132 additions and 83 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

210

drivers/firewire/fw-ohci.c

View file

3

drivers/firewire/fw-transaction.c

View file