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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: (55 commits)
ieee1394: sbp2: code formatting around work_struct stuff
ieee1394: nodemgr: remove a kcalloc
ieee1394: conditionally export ieee1394_bus_type
ieee1394: Consolidate driver registering
ieee1394: sbp2: convert from PCI DMA to generic DMA
ieee1394: nodemgr: spaces to tabs
ieee1394: nodemgr: fix deadlock in shutdown
ieee1394: nodemgr: remove duplicate assignment
sbp2: make 1bit bitfield unsigned
ieee1394: schedule *_oui sysfs attributes for removal
ieee1394: schedule unused symbol exports for removal
ieee1394: dv1394: schedule for feature removal
ieee1394: raw1394: defer feature removal of old isoch interface
ieee1394: ohci1394: call PMac code in shutdown only for proper machines
ieee1394: ohci1394: reformat PPC_PMAC platform code
ieee1394: ohci1394: add PPC_PMAC platform code to driver probe
ieee1394: sbp2: wrap two functions into one
ieee1394: sbp2: update comment on things to do
ieee1394: sbp2: use list_move_tail()
ieee1394: sbp2: more concise names for types and variables
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (76 commits)
[ARM] 4002/1: S3C24XX: leave parent IRQs unmasked
[ARM] 4001/1: S3C24XX: shorten reboot time
[ARM] 3983/2: remove unused argument to __bug()
[ARM] 4000/1: Osiris: add third serial port in
[ARM] 3999/1: RX3715: suspend to RAM support
[ARM] 3998/1: VR1000: LED platform devices
[ARM] 3995/1: iop13xx: add iop13xx support
[ARM] 3968/1: iop13xx: add iop13xx_defconfig
[ARM] Update mach-types
[ARM] Allow gcc to optimise arm_add_memory a little more
[ARM] 3991/1: i.MX/MX1 high resolution time source
[ARM] 3990/1: i.MX/MX1 more precise PLL decode
[ARM] 3986/1: H1940: suspend to RAM support
[ARM] 3985/1: ixp4xx clocksource cleanup
[ARM] 3984/1: ixp4xx/nslu2: Fix disk LED numbering (take 2)
[ARM] 3994/1: ixp23xx: fix handling of pci master aborts
[ARM] 3981/1: sched_clock for PXA2xx
[ARM] 3980/1: extend the ARM Versatile sched_clock implementation from 32 to 63 bit
[ARM] 3979/1: extend the SA11x0 sched_clock implementation from 32 to 63 bit period
[ARM] 3978/1: macro to provide a 63-bit value from a 32-bit hardware counter
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Merge:
Atmel AT91RM9200 and AT91SAM9260 changes
General ARM developments
Disconfiguous memory cleanups
64-bit/32-bit division and sched_clock extension patches
EP93xx support changes
IOP support changes
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6
* 'intx' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6:
PCI MSI: always toggle legacy-INTx-enable bit upon MSI entry/exit
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The current code (prior to this change) would disable the PCI INTx
legacy interrupt when enabling MSI... but only on PCI Express. We
should do this for all MSI devices, for safety's sake.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Merge is finished, can bring the code in readable style again.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Was I sleepwalking when I wrote this?
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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API conversion without change in functionality
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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whitespace pedantry
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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If "modprobe ohci1394" was quickly followed by "modprobe -r ohci1394",
say with 1 second pause in between, the modprobe -r got stuck in
uninterruptible sleep in kthread_stop. At the same time the knodemgrd
slept uninterruptibly in bus_rescan_devices_helper. That's because
driver_detach took the semaphore of the PCI device and
bus_rescan_devices_helper wanted to take the semaphore of the FireWire
host device's parent, which is the same semaphore. This was a regression
since Linux 2.6.16, commit bf74ad5bc41727d5f2f1c6bedb2c1fac394de731,
"Hold the device's parent's lock during probe and remove".
The fix (or workaround) adds a dummy driver to the hpsb_host device. Now
bus_rescan_devices_helper won't scan the host device anymore. This
doesn't hurt since we have no drivers which will bind to these devices
and it is unlikely that there will ever be such a driver. The dummy
driver is befittingly presented as a representation of ieee1394 itself.
Fixes: http://bugzilla.kernel.org/show_bug.cgi?id=6706
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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A signed single-bit bitfield doesn't make much sense. Make it unsigned.
Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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There is no manpower available to reform oui.db into a library for use
in more kernel subsystems. The low ratio of usefulness to size and the
occasional need to update oui.db from IEEE's official list suggest to
drop oui.db. I plan to make a userspace script available which
translates the remaining numeric sysfs attributes to names of
organizations.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This also means that former parts of ieee1394's API will be subject to
change or removal.
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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Known to be affected:
- libdc1394: prefers video1394 for now, old-style raw1394 support might
be dropped eventually
- OpenH323 PWLib, AVC video input module: uses libraw1394's old API
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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There has been an if(...) missing, for ages.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Adjust whitespace and line lengths
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Fixes http://bugzilla.kernel.org/show_bug.cgi?id=7431
iBook G3 threw a machine check exception and put the display backlight
to full brightness after ohci1394 was unloaded and reloaded.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Move the body of a function into its only caller.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Some people actually look at those comments.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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It's OK to reorder list_del() and sbp2util_free_command_dma() here.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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"struct scsi_id_instance_data" represents a logical unit.
Rename it to "struct sbp2_lu", and "scsi_id" to "lu".
Rename some other variables too.
Wrap almost all lines after at most 80 columns.
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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It's 2^20 bit/s, not 0.001 bit.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Prepend sbp2*_ to anything globally defined in sbp2.c except for some
macros. Strip sbp2_ from names of struct members.
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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And update and reformat remaining comments.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This work is not delayed.
Also bring the code format in a state which reduces my work to merge
pending sbp2 patchs.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Adjust parentheses, indentation, line lengths.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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No need to keep them in released sources.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Replace some calls to SBP2_ERR and SBP2_WARN by SBP2_INFO.
Remove logging macros SBP2_NOTICE and SBP2_WARN.
Remove direct usage of HPSB_ logging macros.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The same case is handled further below in sbp2scsi_complete_command.
Note, the second version behaves slightly different but looks
preferable. It's an extremely unlikely case by the way.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This has been within #if 0 for a long time and is wrong anyway.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Remove unnecessary function prototypes.
Remove variable names from function prototypes.
Move declarations from sbp2.h to sbp2.c.
Move definitions of driver templates together near the top of sbp2.c.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The queue depth can be read from /sys/bus/scsi/devices/*/queue_depth,
so don't log it. And the hint about speed improvements is misleading,
at least under current kernels. If serialization is switched off, read
performance is typically increased by less than 10%. (I did not test
write performance recently.) On the other hand, serialize_io=0 is not
yet safe due to some implementation issues that are not trivial to fix.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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To print irq number no need to transform to string using %d, then print
using %s. Just use %d.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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This happens. No need to log a BUG trace.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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- correct thinko in one of my last commits: cannot use PRINT macro with
ohci == NULL
- add log messages on ohci == NULL and on pci_enable_device != 0
- update log macros from patch "revert fail on error in suspend" to use
PRINT and DBGMSG where possible
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Some errors during preparation for suspended state can be skipped with a
warning instead of a failure of the whole suspend transition, notably an
error in pci_set_power_state.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Only build IEEE1394 OUI database files if the config option is enabled.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Fix printk format warning:
drivers/ieee1394/nodemgr.c:364: warning: long long unsigned int format, u64 arg (arg 3)
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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- The list "struct class.children" is supposed to be protected by
class.sem, not by class.subsys.rwsem.
- nodemgr_remove_uds() iterated over nodemgr_ud_class.children without
proper protection. This was never observed as a bug since the code
is usually only accessed by knodemgrd. All knodemgrds are currently
globally serialized. But userspace can trigger this code too by
writing to /sys/bus/ieee1394/destroy_node.
- Clean up access to the FireWire bus type's subsys.rwsem: Access it
uniformly via ieee1394_bus_type. Shrink rwsem protected regions
where possible. Expand them where necessary. The latter wasn't a
problem so far because knodemgr is globally serialized.
This should harden the interaction of ieee1394 with sysfs and lay ground
for deserialized operation of multiple knodemgrds and for implementation
of subthreads for parallelized scanning and probing.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Give better names to local variables.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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One hunk in "ieee1394: handle sysfs errors" was wrong.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Purges the one remaining call to lock_kernel() from the 1394 subsystem.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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video1394 does not need to take the BKL. The data structures shared between
file_operations and interrupts are already protected through context-specific
spinlocks.
The only other danger is video1394_release() being called during another
operation, however this cannot happen because release is only ever invoked
when the last thread has closed the fd.
Signed-off-by: Daniel Drake <ddrake@brontes3d.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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