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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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Add some GCC branch prediction optimizations to unlikely error/safety
conditions in the ioctl handling code commonly called during an application's
capture loop.
Signed-off-by: Daniel Drake <ddrake@brontes3d.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Handle driver core errors with as much care as appropriate.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Some 80-columns pedantry, and touch up of a // comment.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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We need the mutex only around the iteration over existing hosts.
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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Reorder the definitions of ohci1394_pci_suspend and _resume. Remove
redundant comments. Beautify return statements.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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I did a quick shot on what I described and the appended patch
does the first thing needed for working suspend/resume
in ohci1394 which is HW de- and re-initialisation.
It works with suspend2disk on my Ricoh R5C552 IEEE 1394 Controller
with the 2.6.17 kernel to the extent that if I call dvgrab --interactive
after suspend2disk without unloading ohci1394, it does not lock up
dvgrab with 100% CPU but properly connects to the camera, given
that I first unplug and plug the camera after coming back from
suspend.
I guess that could be fixed by forcing a bus reset in the resume
function.
I cannot test suspend to RAM here at the moment and should
follow the guidelines in Documentation/power/pci.txt also,
so this is rather a quick report than a finished patch and
there are some rough edges:
However, with this patch, I have to unload at least some in-kernel
users of ohci1394 like dv1394 or video1394 before suspending.
Not doing that caused an Oops and a bad tasklet error, probably from
not handling ISO tasklets during suspend/resume properly.
Maybe these can be temporarily cleared or unregistered and
re-registered for suspend/resume with help from the other
layers or from the highlevel 1394 core, but I do not really
know what these do.
But this patch provides a useful base to start from and is
already of much help for people which do not need dv1394
and video1394 or can unload them at least during suspend.
I cannot test function with sbp2 at the moment, but raw1394
seems to work fine.
Signed-off-by: Bernhard Kaindl <bk@fsfe.org>
Update 1: merge with previous two ohci1394 suspend/resume patches
Update 2: version for application on top of Linux 2.6.19-rc4
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Add a who-is-who about some locks and list heads in raw1394's struct
definitions.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Put the target's fetch agent into reset state before the underlying ORB
DMA is unmapped and the ->done handler is called. It is highly unlikely
but the target could access that ORB right before sbp2 sends the reset
request.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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struct hpsb_highlevel's struct module *owner is neither used by the IEEE
1394 core nor set by any of the in-tree drivers or the two out-of-tree
highlevel drivers I know about (dfg1394, mem1394) --- nor is this member
documented. An unscheduled removal seems acceptable.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This allows workqueue users to run just their own pending work, rather
than wait for the whole workqueue to finish running. This solves the
deadlock with networking libphy that was due to other workqueue entries
possibly needing a lock that was held by the routine that wanted to
flush its own work.
It's not wonderful: if you absolutely need to synchronize with the work
function having been executed, any user strictly speaking should have
its own completion tracking logic, since when we run things explicitly
by hand, the generic workqueue layer can no longer help us synchronize.
Also, this is strictly only usable for work that has been scheduled
without any delayed timers. You can not mix the new interface with
schedule_delayed_work().
But it's better than what we had currently.
Acked-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The iop348 processor integrates an Xscale (XSC3 512KB L2 Cache) core with a
Serial Attached SCSI (SAS) controller, multi-ported DDR2 memory
controller, 3 Application Direct Memory Access (DMA) controllers, a 133Mhz
PCI-X interface, a x8 PCI-Express interface, and other peripherals to form
a system-on-a-chip RAID subsystem engine.
The iop342 processor replaces the SAS controller with a second Xscale core
for dual core embedded applications.
The iop341 processor is the single core version of iop342.
This patch supports the two Intel customer reference platforms iq81340mc
for external storage and iq81340sc for direct attach (HBA) development.
The developer's manual is available here:
ftp://download.intel.com/design/iio/docs/31503701.pdf
Changelog:
* removed virtual addresses from resource definitions
* cleaned up some unnecessary #include's
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
[PATCH] libata: Incorrect timing computation for PIO5/6
[PATCH] sata_promise: new EH conversion, take 2
[PATCH] libata: let ATA_FLAG_PIO_POLLING use polling pio for ATA_PROT_NODATA
[PATCH] sata_promise: cleanups, take 2
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (43 commits)
[wireless] zd1211rw: workqueue-related build fixes
[netdrvr] netxen: workqueue-related build fixes
[PATCH] sky2: sparse warnings
[PATCH] skge: fix sparse warnings
[PATCH] myri10ge: write as 2 32-byte blocks in myri10ge_submit_8rx
[PATCH] sky2: receive queue watermark tweak
[PATCH] sky2: beter ram buffer partitioning
[PATCH] sky2: add comments to PCI ids
[PATCH] sky2: add PCI for 88ec033
[PATCH] AT91RM9200 Ethernet: Use dev_alloc_skb()
[PATCH] AT91RM9200 Ethernet: Add netpoll / netconsole support
[PATCH] AT91RM9200 Ethernet: Move check_timer variable and use mod_timer()
[PATCH] AT91RM9200 Ethernet: Remove 'at91_dev' and use netdev_priv()
[PATCH] ipw2200: Fix debug output endian issue
[PATCH] ipw2200: Fix a typo
[PATCH] ipw2200: Update version stamp to 1.2.0
[PATCH] ipw2200: Add IEEE80211_RADIOTAP_TSFT for promiscuous mode
[PATCH] softmac: fix unbalanced mutex_lock/unlock in ieee80211softmac_wx_set_mlme
[PATCH] softmac: Fixed handling of deassociation from AP
[PATCH] ipw2200: replace kmalloc+memset with kcalloc
...
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (48 commits)
[NETFILTER]: Fix non-ANSI func. decl.
[TG3]: Identify Serdes devices more clearly.
[TG3]: Use msleep.
[TG3]: Use netif_msg_*.
[TG3]: Allow partial speed advertisement.
[TG3]: Add TG3_FLG2_IS_NIC flag.
[TG3]: Add 5787F device ID.
[TG3]: Fix Phy loopback.
[WANROUTER]: Kill kmalloc debugging code.
[TCP] inet_twdr_hangman: Delete unnecessary memory barrier().
[NET]: Memory barrier cleanups
[IPSEC]: Fix inetpeer leak in ipv4 xfrm dst entries.
audit: disable ipsec auditing when CONFIG_AUDITSYSCALL=n
audit: Add auditing to ipsec
[IRDA] irlan: Fix compile warning when CONFIG_PROC_FS=n
[IrDA]: Incorrect TTP header reservation
[IrDA]: PXA FIR code device model conversion
[GENETLINK]: Fix misplaced command flags.
[NETLIK]: Add a pointer to the Generic Netlink wiki page.
[IPV6] RAW: Don't release unlocked sock.
...
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* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (156 commits)
[PATCH] x86-64: Export smp_call_function_single
[PATCH] i386: Clean up smp_tune_scheduling()
[PATCH] unwinder: move .eh_frame to RODATA
[PATCH] unwinder: fully support linker generated .eh_frame_hdr section
[PATCH] x86-64: don't use set_irq_regs()
[PATCH] x86-64: check vector in setup_ioapic_dest to verify if need setup_IO_APIC_irq
[PATCH] x86-64: Make ix86 default to HIGHMEM4G instead of NOHIGHMEM
[PATCH] i386: replace kmalloc+memset with kzalloc
[PATCH] x86-64: remove remaining pc98 code
[PATCH] x86-64: remove unused variable
[PATCH] x86-64: Fix constraints in atomic_add_return()
[PATCH] x86-64: fix asm constraints in i386 atomic_add_return
[PATCH] x86-64: Correct documentation for bzImage protocol v2.05
[PATCH] x86-64: replace kmalloc+memset with kzalloc in MTRR code
[PATCH] x86-64: Fix numaq build error
[PATCH] x86-64: include/asm-x86_64/cpufeature.h isn't a userspace header
[PATCH] unwinder: Add debugging output to the Dwarf2 unwinder
[PATCH] x86-64: Clarify error message in GART code
[PATCH] x86-64: Fix interrupt race in idle callback (3rd try)
[PATCH] x86-64: Remove unwind stack pointer alignment forcing again
...
Fixed conflict in include/linux/uaccess.h manually
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Fix build warnings for PROC_FS=n.
drivers/char/ipmi/ipmi_poweroff.c:707: warning: label 'out_err' defined but not used
drivers/char/ipmi/ipmi_msghandler.c:1774: warning: 'ipmb_file_read_proc' defined but not used
drivers/char/ipmi/ipmi_msghandler.c:1790: warning: 'version_file_read_proc' defined but not used
drivers/char/ipmi/ipmi_msghandler.c:1801: warning: 'stat_file_read_proc' defined but not used
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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