| Commit message (Collapse) | Author | Age | Files | Lines |
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It needs to happen before any firewire driver actually registers itself,
and that was previously handled by having the Makefile list the core
ieee1394 files before the drivers.
But now there are firewire drivers in drivers/media, and the Makefile
games aren't enough. So just make ieee1394_init happen earlier in the
init sequence, the way all other bus layers already do.
Reported-and-tested-by: Ingo Molnar <mingo@elte.hu>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Henrik Kurelid <henrik@kurelid.se>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Ben Backx <ben@bbackx.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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input
Combination of the following changes:
Tue, 26 Aug 2008 00:17:30 +0200 (CEST)
firedtv: fix remote control input
and update the scancode-to-keycode mapping to a current model. Per
default, various media key keycodes are emitted which closely match what
is printed on the remote. Userland can modify the mapping by means of
evdev ioctls. (Not tested.)
The old scancode-to-keycode mapping is left in the driver but cannot be
modified by ioctls. This preserves status quo for old remotes.
Tue, 26 Aug 2008 00:11:28 +0200 (CEST)
firedtv: replace tasklet by workqueue job
Non-atomic context is a lot nicer to work with.
Sun, 24 Aug 2008 23:30:00 +0200 (CEST)
firedtv: move some code back to ieee1394 core
Partially reverts "ieee1394: remove unused code" of Linux 2.6.25.
Sun, 24 Aug 2008 23:29:30 +0200 (CEST)
firedtv: replace semaphore by mutex
firesat->avc_sem and ->demux_sem have been used exactly like a mutex.
The only exception is the schedule_remotecontrol tasklet which did a
down_trylock in atomic context. This is not possible with
mutex_trylock; however the whole remote control related code is
non-functional anyway at the moment. This should be fixed eventually,
probably by turning the tasklet into a worqueue job.
Convert everything else from semaphore to mutex.
Also rewrite a few of the affected functions to unlock the mutex at a
single exit point, instead of in several branches.
Sun, 24 Aug 2008 23:28:45 +0200 (CEST)
firedtv: some header cleanups
Unify #ifndef/#define/#endif guards against multiple inclusion.
Drop extern keyword from function declarations.
Remove #include's into header files where struct declarations suffice.
Remove unused ohci1394 interface and related unused ieee1394 interfaces.
Add a few missing #include's and remove a few apparently obsolete ones.
Sort them alphabetically.
Sun, 24 Aug 2008 23:27:45 +0200 (CEST)
firedtv: nicer registration message and some initialization fixes
Print the correct name in dvb_register_adapter().
While we are at it, replace two switch cascades by one for loop, remove
a superfluous member of struct firesat and of two unused arguments of
AVCIdentifySubunit(), and fix bogus kfree's in firesat_dvbdev_init().
Tue, 26 Aug 2008 14:24:17 +0200 (CEST)
firesat: rename to firedtv
Suggested by Andreas Monitzer. Besides DVB-S/-S2 receivers, the driver
also supports DVB-C and DVB-T receivers, hence the previous project name
is too narrow now.
Not yet done: Rename source directory, files, types, variables...
Sun, 24 Aug 2008 23:26:23 +0200 (CEST)
firesat: add missing copyright notes
Reported by Andreas Monitzer and Christian Dolzer.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The hard-wired configuration of the top speed (until now S800) was
unnecessary, remove it.
If the local link layer controller supports S1600 or S3200, we now
assume this speed for all present 1394b PHYs (except if they are
behind 1394a repeaters) until nodemgr figured out the actual speed
while fetching the config ROM.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The following patch limits the node speed to the host interface speed,
before using it.
Signed-off-by: Philippe De Muyter <phdm@macqel.be>
It should actually suffice to do this only for the local node's
speedcap[]. But there is another bug in the speed calculation:
The local node's speed is not correctly propagated to the speeds
which are to be used to access remote nodes.
http://thread.gmane.org/gmane.linux.kernel.firewire.devel/11772/focus=12024
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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drivers/ieee1394/ieee1394_core.c: Define spinlock using
DEFINE_SPINLOCK instead of assignment to SPIN_LOCK_UNLOCKED
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Initialization of ohci1394 was broken according to one reporter if the
driver was statically linked, i.e. not built as loadable module. Dmesg:
PCI: Device 0000:02:07.0 not available because of resource collisions
ohci1394: Failed to enable OHCI hardware.
This was reported for a Toshiba Satellite 5100-503. The cause is commit
8df4083c5291b3647e0381d3c69ab2196f5dd3b7 in Linux 2.6.19-rc1 which only
served purposes of early remote debugging via FireWire. This
functionality is better provided by the currently out-of-tree driver
ohci1394_earlyinit. Reversal of the commit was OK'd by Andi Kleen.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Currently, the freezer treats all tasks as freezable, except for the kernel
threads that explicitly set the PF_NOFREEZE flag for themselves. This
approach is problematic, since it requires every kernel thread to either
set PF_NOFREEZE explicitly, or call try_to_freeze(), even if it doesn't
care for the freezing of tasks at all.
It seems better to only require the kernel threads that want to or need to
be frozen to use some freezer-related code and to remove any
freezer-related code from the other (nonfreezable) kernel threads, which is
done in this patch.
The patch causes all kernel threads to be nonfreezable by default (ie. to
have PF_NOFREEZE set by default) and introduces the set_freezable()
function that should be called by the freezable kernel threads in order to
unset PF_NOFREEZE. It also makes all of the currently freezable kernel
threads call set_freezable(), so it shouldn't cause any (intentional)
change of behaviour to appear. Additionally, it updates documentation to
describe the freezing of tasks more accurately.
[akpm@linux-foundation.org: build fixes]
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Nigel Cunningham <nigel@nigel.suspend2.net>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Gautham R Shenoy <ego@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Based on patch "the scheduled removal of RAW1394_REQ_ISO_{SEND,LISTEN}"
from Adrian Bunk, November 20 2006.
This patch also removes the underlying facilities in ohci1394 and
disables them in pcilynx. That is, hpsb_host_driver.devctl() and
hpsb_host_driver.transmit_packet() are no longer used for iso reception
and transmission.
Since video1394 and dv1394 only work with ohci1394 and raw1394's rawiso
interface has never been implemented in pcilynx, pcilynx is now no
longer useful for isochronous applications.
raw1394 will still handle the request types but will complete the
requests with errors that indicate API version conflicts.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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highlevel_host_reset no longer has any modular users.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This is a coding style touch-up for ieee1394's handle_incoming_packet().
A preprocessor macro contained hardwired variable names and, even worse,
the 'break' keyword. This macro is now unrolled and removed.
Also, all 'break's which had the effect of a return are replaced by
return. And a FIXME comment is brought up to date.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Fix printk format string:
drivers/ieee1394/ieee1394_core.c:702: warning: format '%d' expects type 'int', but argument 2 has type 'size_t'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This considerably reduces the memory requirements for a packet and
eliminates ieee1394's dependency on CONFIG_NET.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This small reorganization of public csr1212 functions saves one
exported symbol and a few bytes in the driver modules.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This implements the simultaneous read of the isochronous cycle timer and
the system clock (in usecs). This allows to express the exact receive
time of an ISO packet as a system time with microsecond accuracy.
http://bugzilla.kernel.org/show_bug.cgi?id=7773
The counterpart patch for libraw1394 can be found at
http://thread.gmane.org/gmane.linux.kernel.firewire.devel/8934
Patch update (Stefan R.): Disable preemption and local interrupts.
Prevent integer overflow. Add paranoid error checks and kerneldoc to
hpsb_read_cycle_timer. Move it to other ieee1394_core high-level API
functions. Change comments. Adjust whitespace. Rename struct
_raw1394_cycle_timer.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Acked-by: Pieter Palmers <pieterp@joow.be>
Acked-by: Dan Dennedy <dan@dennedy.org>
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After PM suspend + resume, the local configuration ROM was not restored.
This prevented remote nodes from recognizing the resuming machine.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This patch contains the scheduled IEEE1394_EXPORT_FULL_API removal.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Update: Pull proper portion of feature-removal-schedule.txt.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Follow-up to patch "Consolidate driver registering":
Since I plan the lifetime of Linux 2.6.20 to be the deprecation phase
of CONFIG_IEEE1394_EXPORT_FULL_API, it seems fair to keep all previously
exported symbols available with this option until this phase is over.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This patch consolidates some bookkeeping for driver registering. It
closely models what pci_register_driver() does. The main addition is
that the owner of the driver is set, so we get a proper symlink
for /sys/bus/ieee1394/driver/*/module.
Also moves setting of name and bus type into nodemgr. Because of this,
we can remove the EXPORT_SYMBOL for ieee1394_bus_type, since it's now
only used in ieee1394.ko.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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A deactivated macro, defined as "#define foo(bar)", will result in
silent corruption if somebody forgets a semicolon after a call to foo.
Replace it by "#define foo(bar) do {} while (0)" which will reveal any
respective syntax errors.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This makes debugging with firescope easier.
Signed-off-by: Andi Kleen <ak@suse.de> (original patch)
Update:
- no need for #ifdef MODULE
- add comment in ieee1394_core, more verbose comment in ohci1394
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (update)
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These includes in ieee1394_core and eth1394 are obsolete.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The last loop in ieee1394 core's speed calculation is not required
unless ieee1394.h::IEEE1394_SPEED_MAX is changed from its current value
of 3.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
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Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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This gets also rid of the MODPOST warning "drivers/ieee1394/ieee1394.o -
Section mismatch: reference to .exit.text: from .smp_locks after '' (at
offset 0x18)".
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
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Add support for the following types of hardware:
+ nodes that have a link speed < PHY speed
+ 1394b PHYs that are less than S800 capable
+ 1394b/1394a adapter cable between two 1394b PHYs
Also, S1600 and S3200 are now supported if IEEE1394_SPEED_MAX is raised.
A probing function is added to nodemgr's config ROM fetching routine
which adjusts the allowable speed if an access problem was encountered.
Pros and Cons of the approach:
+ minimum code footprint to support this less widely used hardware
+ nearly no overhead for unaffected hardware
- ineffective before nodemgr began to read the ROM of affected nodes
- ineffective if ieee1394 is loaded with disable_nodemgr=1
The speed map CSRs which are published to the bus are not touched by the
patch.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Hakan Ardo <hakan@debian.org>
Cc: Calculex <linux@calculex.com>
Cc: Robert J. Kosinski <robk@cmcherald.com>
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
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No need to hide it from /sys/module/ieee1394/parameters/.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
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Devfs has been disabled in the last kernel releases, so let's
remove it from ieee1394core, raw1394, video1394, dv1394.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Dan Dennedy <dan@dennedy.org>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
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We had a report from one loony user who tried out suspend to disk using a
swap partition on a firewire drive. As the firewire thread was put to
sleep it didn't work out too well.
Signed-off-by: Dave Jones <davej@redhat.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Ben Collins <bcollins@debian.org>
Cc: Jody McIntyre <scjody@modernduck.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
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Eliminate some code in hpsb_send_phy_config() which is provided
by hpsb_make_phypacket().
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
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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>
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Fix debug code so it prints the correct speed (was defaulting to 100, so
anything > 400 showed only 100).
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Ben Collins <bcollins@debian.org>
Signed-off-by: Jody McIntyre <scjody@steamballoon.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Remove the "list" member of struct sk_buff, as it is entirely
redundant. All SKB list removal callers know which list the
SKB is on, so storing this in sk_buff does nothing other than
taking up some space.
Two tricky bits were SCTP, which I took care of, and two ATM
drivers which Francois Romieu <romieu@fr.zoreil.com> fixed
up.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
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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>
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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>
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of class_simple
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Set the initial sendtime to be 10 seconds in the future, to avoid the packet
timing out while it's still queued to be sent. This fixes furthur "no tlabel
match" problems caused by premature expiry.
Signed-off-by: Jody McIntyre <scjody@steamballoon.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch contains the following possible cleanups:
- #if 0 the following unused global functions:
- hpsb_lock
- hpsb_send_gasp
- ieee1394_transactions.h: remove the stale hpsb_lock64 prototype
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Jody McIntyre <scjody@steamballoon.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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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!
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