Commit Graph

12 Commits (e175569c4639872b5cf242c9d4a71cc40c5f3c29)

Author SHA1 Message Date
Kristian Høgsberg e175569c46 firewire: Use lib/ implementation of CRC ITU-T.
With the CRC ITU-T implementation available in lib/ we can use that instead.

This also fixes a bug in the topology map crc computation.

Signed-off-by: Kristian Hoegsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (fixed Kconfig)
2007-05-10 18:24:13 +02:00
Kristian Høgsberg 93e4fd455c firewire: Don't set card->irm_node before we have a new valid topology.
In case the topology build fails, we want to retain the old topology
info until another reset finishes and results in a valid new tree.  If
we clear card->irm_node to NULL and the topology build fails, we end up
dereferencing a NULL pointer in a few places.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-28 21:30:15 +02:00
Kristian Høgsberg 473d28c730 firewire: Implement topology map and fix a couple of loopback bugs.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:03:14 +01:00
Kristian Høgsberg 993baca3dd firewire: Schedule topology work before calling driver update functions.
This prevents superfluous bus traffic as fw-sbp2 logs in only to
get kicked off the device by another bus reset as the driver core
does bus management.  Scheduling it this way lets the driver core
finish bus management before higher level drivers get the update
callback.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:53 +01:00
Kristian Høgsberg 931c4834c8 firewire: Implement compliant bus management.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:48 +01:00
Stefan Richter 748086eb53 firewire: fix compilation with gcc 3.4
drivers/firewire/fw-topology.c: In function `report_found_node':
drivers/firewire/fw-topology.c:345: error: `typeof' applied to a bit-field
drivers/firewire/fw-topology.c:345: error: `typeof' applied to a bit-field

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:45 +01:00
Kristian Høgsberg 83db801ce8 firewire: Implement gap count optimization.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:44 +01:00
Stefan Richter 907293d788 firewire: consistent usage of node_id
Definitions as per IEEE 1212 and IEEE 1394:

     Node ID: Concatenation of bus ID and local ID. 16 bits long.
      Bus ID: Identifies a particular bus within a group of buses
              interconnected by bus bridges.
    Local ID: Identifies a particular node on a bus.
      PHY ID: Local ID of IEEE 1394 nodes. 6 bits long.

Never ever use a variable called node_id for anything else than a node ID.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:43 +01:00
Stefan Richter 5e20c28218 firewire: whitespace adjustments
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-03-09 22:02:40 +01:00
Adrian Bunk 95688e97cd firewire: cleanups
This patch contains the following cleanups:
- "extern inline" -> "static inline"
- fw-topology.c: make struct fw_node_create static

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:40 +01:00
Kristian Høgsberg 19a15b937b firewire: Add device probing and sysfs integration.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:33 +01:00
Kristian Høgsberg 3038e353cf firewire: Add core firewire stack.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:33 +01:00