Commit graph

19 commits

Author SHA1 Message Date
Jody McIntyre
0a75c23a00 Merge with http://kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git 2006-01-05 08:03:40 -05:00
Kay Sievers
312c004d36 [PATCH] driver core: replace "hotplug" by "uevent"
Leave the overloaded "hotplug" word to susbsystems which are handling
real devices. The driver core does not "plug" anything, it just exports
the state to userspace and generates events.

Signed-off-by: Kay Sievers <kay.sievers@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-04 16:18:08 -08:00
Stefan Richter
d51e86c18a ieee1394: write broadcast_channel only to select nodes (fixes device recognition)
Some old 1394-1995 SBP-2 bridges would hang if they received a broadcast write
request to BROADCAST_CHANNEL before the config ROM was read.  Affected devices
include Datafab MD2-FW2 2.5" HDD and SmartDisk VST FWCDRW-V8 portable CD writer.
The write request is now directed to specific nodes instead of being broadcast
to all nodes at once, and it is only performed if a previous read request at
this register succeeded.

Fixes an old interoperability problem which was perceived as a 2.6.14-specific
regression: http://marc.theaimsgroup.com/?t=113190586800003

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
(cherry picked from 61c7f775ca commit)
2005-12-12 23:21:12 -05:00
Stefan Richter
48622b7bde ieee1394: resume remote ports when starting a host (fixes device recognition)
After initializing an IEEE 1394 host, broadcast a resume packet.  This makes
remote nodes visible which suspended their ports while the host was down.
Such nodes had to be unplugged and replugged in order to be recognized.

Motorola DCT6200 cable reciever was affected, probably other devices too.
http://marc.theaimsgroup.com/?t=113202715800001

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
(cherry picked from 14c0fa243b commit)
2005-12-12 23:20:58 -05:00
Stefan Richter
51c1d80e92 ieee1394: run high-level updates before high-level probes
After a bus reset, let nodemgr call high-level update hooks first for nodes
which do not need to be probed.  The main benefit is for a bus with more
than one SBP-2 device:  SBP-2 reconnects will be performed before SBP-2
logins, thus have a much higher chance to succeed, and their SCSI devices
will not be blocked much longer than necessary.  This was demonstrated for
Linux 2.4 by Dave Cinege a while ago.

A better approach would be to perform time-consuming probes in parallel by a
subthread.  I actually plan to implement this for sbp2 but it may take a
while to get that done and tested.  Until then, this tweak is a huge
improvement for users with multiple SBP-2 devices.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
2005-12-12 23:03:19 -05:00
Stefan Richter
61c7f775ca ieee1394: write broadcast_channel only to select nodes (fixes device recognition)
Some old 1394-1995 SBP-2 bridges would hang if they received a broadcast write
request to BROADCAST_CHANNEL before the config ROM was read.  Affected devices
include Datafab MD2-FW2 2.5" HDD and SmartDisk VST FWCDRW-V8 portable CD writer.
The write request is now directed to specific nodes instead of being broadcast
to all nodes at once, and it is only performed if a previous read request at
this register succeeded.

Fixes an old interoperability problem which was perceived as a 2.6.14-specific
regression: http://marc.theaimsgroup.com/?t=113190586800003

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
2005-12-05 16:28:59 -05:00
Stefan Richter
d7758461b9 ieee1394: add definitions for phy packet constants
Introduce new macros related to phy packets and use them in ieee1394_core and
nodemgr.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
2005-12-01 18:51:56 -05:00
Stefan Richter
14c0fa243b ieee1394: resume remote ports when starting a host (fixes device recognition)
After initializing an IEEE 1394 host, broadcast a resume packet.  This makes
remote nodes visible which suspended their ports while the host was down.
Such nodes had to be unplugged and replugged in order to be recognized.

Motorola DCT6200 cable reciever was affected, probably other devices too.
http://marc.theaimsgroup.com/?t=113202715800001

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
2005-12-01 18:51:52 -05:00
Stefan Richter
8551158abc kmalloc/kzalloc changes:
dv1394, eth1394, ieee1394, ohci1394, pcilynx, raw1394, sbp2c, video1394:
 - use kzalloc
 - provide safer size arguments to kmalloc and kzalloc
 - omit some casts

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
2005-11-07 06:31:45 -05:00
Russell King
9480e307cd [PATCH] DRIVER MODEL: Get rid of the obsolete tri-level suspend/resume callbacks
In PM v1, all devices were called at SUSPEND_DISABLE level.  Then
all devices were called at SUSPEND_SAVE_STATE level, and finally
SUSPEND_POWER_DOWN level.  However, with PM v2, to maintain
compatibility for platform devices, I arranged for the PM v2
suspend/resume callbacks to call the old PM v1 suspend/resume
callbacks three times with each level in order so that existing
drivers continued to work.

Since this is obsolete infrastructure which is no longer necessary,
we can remove it.  Here's an (untested) patch to do exactly that.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-10-28 09:52:56 -07:00
Jody McIntyre
e31a127c2f [PATCH] ieee1394: skip unnecessary pause when scanning config ROMs
Skip a superfluous pause that occured when the config ROM of a node was
scanned unsuccessfully.  This also occurs if a node without link wrongly
enables its "link active" self ID flag.  A GWCTech 6-port hub does this.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@steamballoon.com>
Cc: Ben Collins <bcollins@debian.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-30 12:41:19 -07:00
Jody McIntyre
328699bf0f [PATCH] ieee1394: reorder activities after bus reset (fixes device detection)
Units were not detected if the local IRM performed a bus reset.  ("The root
node is not cycle master capable; selecting a new root node and resetting...",
often seen with iPods and other SBP-2 devices).  Rearrange the order of IRM
duties and node scanning.  TODO: Audit the ROM caching and parsing code for
underlying issues.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@steamballoon.com>
Cc: Ben Collins <bcollins@debian.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-30 12:41:19 -07:00
Olaf Hering
9b19d85acc [PATCH] provide MODALIAS= enviroment variable to autoload ieee1394 modules via udev
https://bugzilla.novell.com/show_bug.cgi?id=103746

Old 2.6.13 hotplug enviroment for 'plug in firewire disk' event:

==> debug.01139.ieee1394.add.8211 <==
set -- ieee1394
UDEV_LOG='7'
ACTION='add'
DEVPATH='/class/ieee1394/00010410100036e0-0'
SUBSYSTEM='ieee1394'
SEQNUM='1139'
PHYSDEVPATH='/devices/pci0001:10/0001:10:0d.0/0001:11:0a.0/fw-host0/00010410100036e0/00010410100036e0-0'
PHYSDEVBUS='ieee1394'
VENDOR_ID='000000'
MODEL_ID='001010'
GUID='00010410100036e0'
SPECIFIER_ID='00609e'
VERSION='010483'
UDEVD_EVENT='1'

Module spb2 is not loaded.

grep sbp2 /lib/modules/2.6.13-20050901172817-default/modules.alias
alias ieee1394:ven*mo*sp0000609Ever00010483* sbp2

printf 'ieee1394:ven%08Xmo%08Xsp%08Xver%08X\n' '0x000000' '0x001010' '0x00609e' '0x010483'
ieee1394:ven00000000mo00001010sp0000609Ever00010483

modprobe -v ieee1394:ven00000000mo00001010sp0000609Ever00010483
insmod /lib/modules/2.6.13-20050901172817-default/kernel/drivers/ieee1394/sbp2.ko

Providing a MODALIAS= enviroment variable with the content above will fix it.

Signed-off-by: Olaf Hering <olh@suse.de>
Cc: Ben Collins <bcollins@debian.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07 16:57:41 -07:00
Ben Collins
1934b8b656 [PATCH] Sync up ieee-1394
Lots of this patch is trivial code cleanups (static vars were being
intialized to 0, etc).

There's also some fixes for ISO transmits (max buffer handling).
Aswell, we have a few fixes to disable IRM capabilites correctly.  We've
also disabled, by default some generally unused EXPORT symbols for the
sake of cleanliness in the kernel.  However, instead of removing them
completely, we felt it necessary to have a config option that allowed
them to be enabled for the many projects outside of the main kernel tree
that use our API for driver development.

The primary reason for this patch is to revert a MODE6->MODE10 RBC
conversion patch from the SCSI maintainers.  The new conversions handled
directly in the scsi layer do not seem to work for SBP2.  This patch
reverts to our old working code so that users can enjoy using Firewire
disks and dvd drives again.

We are working with the SCSI maintainers to resolve this issue outside
of the main kernel tree.  We'll merge the patch once the SCSI layer's
handling of the MODE10 conversion is working for us.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-10 12:23:23 -07:00
Christoph Lameter
3e1d1d28d9 [PATCH] Cleanup patch for process freezing
1. Establish a simple API for process freezing defined in linux/include/sched.h:

   frozen(process)		Check for frozen process
   freezing(process)		Check if a process is being frozen
   freeze(process)		Tell a process to freeze (go to refrigerator)
   thaw_process(process)	Restart process
   frozen_process(process)	Process is frozen now

2. Remove all references to PF_FREEZE and PF_FROZEN from all
   kernel sources except sched.h

3. Fix numerous locations where try_to_freeze is manually done by a driver

4. Remove the argument that is no longer necessary from two function calls.

5. Some whitespace cleanup

6. Clear potential race in refrigerator (provides an open window of PF_FREEZE
   cleared before setting PF_FROZEN, recalc_sigpending does not check
   PF_FROZEN).

This patch does not address the problem of freeze_processes() violating the rule
that a task may only modify its own flags by setting PF_FREEZE. This is not clean
in an SMP environment. freeze(process) is therefore not SMP safe!

Signed-off-by: Christoph Lameter <christoph@lameter.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-25 17:10:13 -07:00
Yani Ioannou
e404e274f6 [PATCH] Driver Core: drivers/i2c/chips/w83781d.c - drivers/s390/block/dcssblk.c: update device attribute callbacks
Signed-off-by: Yani Ioannou <yani.ioannou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-06-20 15:15:34 -07:00
gregkh@suse.de
64360322ab [PATCH] Use device_for_each_child() to unregister devices in nodemgr_remove_host_dev()
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff -Nru a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c
2005-06-20 15:15:26 -07:00
Jody McIntyre
616b859fbd [PATCH] ieee1394: remove NULL checks for kfree
This patch removes redundant NULL pointer checks before kfree() in all of
drivers/ieee1394/

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Jody McIntyre <scjody@steamballoon.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-17 07:59:23 -07:00
Linus Torvalds
1da177e4c3 Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
2005-04-16 15:20:36 -07:00