Commit Graph

39491 Commits

Author SHA1 Message Date
Linus Torvalds 334d094504 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits)
  [NET]: Fix and allocate less memory for ->priv'less netdevices
  [IPV6]: Fix dangling references on error in fib6_add().
  [NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found
  [PKT_SCHED]: Fix datalen check in tcf_simp_init().
  [INET]: Uninline the __inet_inherit_port call.
  [INET]: Drop the inet_inherit_port() call.
  SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked.
  [netdrvr] forcedeth: internal simplifications; changelog removal
  phylib: factor out get_phy_id from within get_phy_device
  PHY: add BCM5464 support to broadcom PHY driver
  cxgb3: Fix __must_check warning with dev_dbg.
  tc35815: Statistics cleanup
  natsemi: fix MMIO for PPC 44x platforms
  [TIPC]: Cleanup of TIPC reference table code
  [TIPC]: Optimized initialization of TIPC reference table
  [TIPC]: Remove inlining of reference table locking routines
  e1000: convert uint16_t style integers to u16
  ixgb: convert uint16_t style integers to u16
  sb1000.c: make const arrays static
  sb1000.c: stop inlining largish static functions
  ...
2008-04-18 18:02:35 -07:00
Linus Torvalds 2cca775bae Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (137 commits)
  [SCSI] iscsi: bidi support for iscsi_tcp
  [SCSI] iscsi: bidi support at the generic libiscsi level
  [SCSI] iscsi: extended cdb support
  [SCSI] zfcp: Fix error handling for blocked unit for send FCP command
  [SCSI] zfcp: Remove zfcp_erp_wait from slave destory handler to fix deadlock
  [SCSI] zfcp: fix 31 bit compile warnings
  [SCSI] bsg: no need to set BSG_F_BLOCK bit in bsg_complete_all_commands
  [SCSI] bsg: remove minor in struct bsg_device
  [SCSI] bsg: use better helper list functions
  [SCSI] bsg: replace kobject_get with blk_get_queue
  [SCSI] bsg: takes a ref to struct device in fops->open
  [SCSI] qla1280: remove version check
  [SCSI] libsas: fix endianness bug in sas_ata
  [SCSI] zfcp: fix compiler warning caused by poking inside new semaphore (linux-next)
  [SCSI] aacraid: Do not describe check_reset parameter with its value
  [SCSI] aacraid: Fix down_interruptible() to check the return value
  [SCSI] sun3_scsi_vme: add MODULE_LICENSE
  [SCSI] st: rename flush_write_buffer()
  [SCSI] tgt: use KMEM_CACHE macro
  [SCSI] initio: fix big endian problems for auto request sense
  ...
2008-04-18 11:25:31 -07:00
Linus Torvalds eddeb0e2d8 Merge branch 'for-linus' of 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: (43 commits)
  firewire: cleanups
  firewire: fix synchronization of gap counts
  firewire: wait until PHY configuration packet was transmitted (fix bus reset loop)
  firewire: remove unused struct member
  firewire: use bitwise and to get reg in handle_registers
  firewire: replace more hex values with defined csr constants
  firewire: reread config ROM when device reset the bus
  firewire: replace static ROM cache by allocated cache
  firewire: fw-ohci: work around generation bug in TI controllers (fix AV/C and more)
  firewire: fw-ohci: extend logging of bus generations and node ID
  firewire: fw-ohci: conditionally log busReset interrupts
  firewire: fw-ohci: don't append to AT context when it's not active
  firewire: fw-ohci: log regAccessFail events
  firewire: fw-ohci: make sure HCControl register LPS bit is set
  firewire: fw-ohci: missing PPC PMac feature calls in failure path
  firewire: fw-ohci: untangle a mixed unsigned/signed expression
  firewire: debug interrupt events
  firewire: fw-ohci: catch self_id_count == 0
  firewire: fw-ohci: add self ID error check
  firewire: fw-ohci: refactor probe, remove, suspend, resume
  ...
2008-04-18 11:24:29 -07:00
James Bottomley 855d854a33 libata: fix boot panic with SATAPI devices on non-SFF HBAs
The kernel now panics reliably on boot if you have a SATAPI device
connected.

The problem was introduced by the libata merge trying to pull out all
the SFF code into a separate module.  Unfortunately, if you're a satapi
device you usually need to call atapi_request_sense, which has a bare
invocation of a SFF callback which is NULL on non-SFF HBAs.  Fix this by
making the call conditional.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-18 11:20:42 -07:00
Boaz Harrosh 94795b61e8 [SCSI] iscsi: bidi support for iscsi_tcp
access the right scsi_in() and/or scsi_out() side of things.
also for resid

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Reviewed-by: Pete Wyckoff <pw@osc.edu>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18 11:53:24 -05:00
Boaz Harrosh c07d444407 [SCSI] iscsi: bidi support at the generic libiscsi level
- prepare the additional bidi_read rlength header.
- access the right scsi_in() and/or scsi_out() side of things.
  also for resid.
- Handle BIDI underflow overflow from target

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Reviewed-by: Pete Wyckoff <pw@osc.edu>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18 11:53:00 -05:00
Boaz Harrosh 38d1c069db [SCSI] iscsi: extended cdb support
Support for extended CDBs in iscsi.
All we need is to check if command spills over 16 bytes then allocate
an iscsi-extended-header for the leftovers.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Reviewed-by: Pete Wyckoff <pw@osc.edu>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18 11:51:19 -05:00
Christof Schmitt 57b7658aed [SCSI] zfcp: Fix error handling for blocked unit for send FCP command
In the case the unit is blocked, zfcp_unit_get has not been called
yet, so the error handling path should not call zfcp_unit_put.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18 11:50:41 -05:00
Christof Schmitt 6071d7ec36 [SCSI] zfcp: Remove zfcp_erp_wait from slave destory handler to fix deadlock
The testcase
# chchp -v 0 0.da && sleep 59 && chchp -v 1 0.da
results in this deadlock situation:

STACK TRACE FOR TASK: 0x7e9a2048 (zfcperp0.0.c613)
0 schedule+816 [0x356b3c]
1 schedule_timeout+172 [0x357340]
2 wait_for_common+192 [0x3565fc]
3 flush_cpu_workqueue+116 [0x52af0]
4 flush_workqueue+116 [0x533b8]
5 fc_remote_port_add+64 [0x1c83ec]
6 zfcp_erp_thread+4534 [0x26585a]
7 kernel_thread_starter+6 [0x195d2]

STACK TRACE FOR TASK: 0x7f8ec048 (fc_wq_0)
0 schedule+816 [0x356b3c]
1 zfcp_erp_wait+104 [0x264568]
2 zfcp_scsi_slave_destroy+64 [0x261b24]
3 __scsi_remove_device+154 [0x1c24ba]
4 scsi_remove_device+62 [0x1c2512]
5 __scsi_remove_target+198 [0x1c25ea]
6 __remove_child+58 [0x1c26d6]
7 device_for_each_child+66 [0x1ab566]
8 scsi_remove_target+98 [0x1c268a]
9 run_workqueue+200 [0x5272c]
10 worker_thread+146 [0x52882]
11 kthread+140 [0x58360]
12 kernel_thread_starter+6 [0x195d2]

Remove the zfcp_erp_wait call that is not required here to prevent the
deadlock situation.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18 11:50:30 -05:00
Martin Peschke 1f6f7129eb [SCSI] zfcp: fix 31 bit compile warnings
drivers/s390/scsi/zfcp_aux.c: In function ‘zfcp_fsf_incoming_els_rscn’:
drivers/s390/scsi/zfcp_aux.c:1379: warning: cast from pointer to integer of
different size
drivers/s390/scsi/zfcp_aux.c: In function ‘zfcp_fsf_incoming_els_plogi’:
drivers/s390/scsi/zfcp_aux.c:1432: warning: cast from pointer to integer of
different size
drivers/s390/scsi/zfcp_aux.c: In function ‘zfcp_fsf_incoming_els_logo’:
drivers/s390/scsi/zfcp_aux.c:1457: warning: cast from pointer to integer of
different size
..

Just passing pointers rids us of these warnings and improves readability.

Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18 11:50:17 -05:00
Adrian Bunk db8be076ca firewire: cleanups
This patch contains the following cleanups:
- #if 0 the following unused structs:
  - fw-transaction.c:fw_low_memory_region
  - fw-transaction.c:fw_private_region
  - fw-transaction.c:fw_csr_region
  - fw-transaction.c:fw_unit_space_region
- remove the following unused EXPORT_SYMBOL's:
  - fw-card.c:fw_core_add_descriptor
  - fw-card.c:fw_core_remove_descriptor
  - fw-iso.c:fw_iso_context_create
  - fw-iso.c:fw_iso_context_destroy
  - fw-iso.c:fw_iso_context_start
  - fw-iso.c:fw_iso_context_queue
  - fw-iso.c:fw_iso_context_stop

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:37 +02:00
Stefan Richter 25b1c3d888 firewire: fix synchronization of gap counts
Fix:  The fact that nodes had different gap counts would be overlooked
if the bus manager code would pick gap count 63 because of beta
repeaters or because of very large hop counts.  In this case, the bus
manager code would miss that it actually has to send the PHY config
packet with gap count 63.

Related trivial changes:  Use bool for an int used as bool, touch up
some comments.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:36 +02:00
Stefan Richter 2a0a259049 firewire: wait until PHY configuration packet was transmitted (fix bus reset loop)
We now exit fw_send_phy_config /after/ the PHY config packet has been
transmitted, instead of before.  A subsequent fw_core_initiate_bus_reset
will therefore not overlap with the transmission.  This is meant to make
the send PHY config packet + reset bus routine more deterministic.

Fixes bus reset loop and eventual panic with
  - VIA VT6307 + IOGEAR hub + Unibrain Fire-i camera
    http://bugzilla.kernel.org/show_bug.cgi?id=10128
  - JMicron card

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
2008-04-18 17:55:36 +02:00
Stefan Richter e09770db0f firewire: remove unused struct member
request_generation is internal to fw-ohci and unneeded in fw_card.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:36 +02:00
Jarod Wilson 15f0d833f6 firewire: use bitwise and to get reg in handle_registers
for code efficiency.

Signed-off-by: Jarod Wilson <jwilson@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:36 +02:00
Jarod Wilson cca6097713 firewire: replace more hex values with defined csr constants
Trivial change to replace more meaningless (to the untrained eye) hex
values with defined CSR constants.

Signed-off-by: Jarod Wilson <jwilson@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:36 +02:00
Stefan Richter c9755e14a0 firewire: reread config ROM when device reset the bus
When a device changes its configuration ROM, it announces this with a
bus reset.  firewire-core has to check which node initiated a bus reset
and whether any unit directories went away or were added on this node.

Tested with an IOI FWB-IDE01AB which has its link-on bit set if bus
power is available but does not respond to ROM read requests if self
power is off.  This implements
  - recognition of the units if self power is switched on after fw-core
    gave up the initial attempt to read the config ROM,
  - shutdown of the units when self power is switched off.

Also tested with a second PC running Linux/ieee1394.  When the eth1394
driver is inserted and removed on that node, fw-core now notices the
addition and removal of the IPv4 unit on the ieee1394 node.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:36 +02:00
Stefan Richter 1dadff71d6 firewire: replace static ROM cache by allocated cache
read_bus_info_block() is repeatedly called by workqueue jobs.
These will step on each others toes eventually if there are multiple
workqueue threads, and we end up with corrupt config ROM images.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:35 +02:00
Stefan Richter d34316a4bd firewire: fw-ohci: work around generation bug in TI controllers (fix AV/C and more)
Unlike the ohci1394 driver, fw-ohci uses the selfIDGeneration field of
bus reset packets to determine the generation of incoming requests as
per OHCI 1.1 clause 8.4.2.3.  This is more precise --- provided that the
controller inserts the correct generation.  Texas Instruments chips
often don't.

This prevented the transmission of response packets, which for example
broke AV/C transactions as used when communicating with miniDV cameras
and any other AV/C devices.

There is apparently no way to detect and adjust incorrect generations.
Therefore we ignore the generation of bus reset packets from TI chips
and use the generation of the self ID buffer instead.  Alas this is
received at a slightly wrong time.  In rare cases, this could cause us
to not respond to legitimate requests or to respond to expired requests.
(The latter is less likely because the bus reset packet AR event is
typically handled before the self ID complete event.)

Bug reported by Mladen Kuntner, who was extraordinarily patient while
dealing with the driver maintainers.  Fix confirmed to be required and
effective for TSB82AA2 and a TSB43AB22 or TSB43AB22A.
https://bugzilla.redhat.com/show_bug.cgi?id=243081

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
2008-04-18 17:55:35 +02:00
Stefan Richter 08ddb2f4c2 firewire: fw-ohci: extend logging of bus generations and node ID
Extend the logging of "AR evt_bus_reset, link internal" to "AR
evt_bus_reset, generation ${selfIDGeneration}".  That way we can check
whether this generation matches the one seen in self ID complete event
logging.  See OHCI 1.1 clause 8.4.2.3.

Also extend logging of "firewire_ohci: * selfIDs, generation *" by
"local node ID ffc*" in self ID logging to make the local node in AT/AR
event logs more obvious.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
2008-04-18 17:55:35 +02:00
Stefan Richter a007bb857e firewire: fw-ohci: conditionally log busReset interrupts
Add a debug option to watch bus reset interrupt events.  Half of this
patch is taken from Jarod Wilson's first version of the JMicron fix.

BusReset interrupts are only generated if the respective module
parameter flag was set before the controller is being initialized.
Else we keep this event masked to reduce IRQ load in normal operation
and to avoid potential problems with buggy chips.

Note, this is unlike the other IRQ events whose logging can be enabled
any time after chip initialization.  This and the influence on what
interrupts the chip generates is why I added an extra flag for it.

Also, reorder the debug parameter flags according to their perceived
usefulness.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
2008-04-18 17:55:35 +02:00
Jarod Wilson 76f73ca1b2 firewire: fw-ohci: don't append to AT context when it's not active
I finally tracked down the issues with this JMicron PCI-e card in my
possession to a failure to comply with section 7.2.3.2 of the OHCI 1.1
specification (thanks to Kristian for the pointer to illustrate that it
is indeed a flaw in this card, not the driver). The controller should
simply flush the packets we've appended to its AT queue if a bus reset
occurs before they've been transmitted and we'll try again, but
something goes wrong and the controller winds up hung.

However, we can avoid the problem by simply checking if the
IntEvent.busReset register had been set before we try appending to the
AT context. When busReset is set, the AT context is completely halted
until busReset is cleared, so there's no point in appending AT packets
until the register is cleared. So at_context_queue_packet() now checks
for busReset being set, and bails with an RCODE_GENERATION packet ack,
which results in us trying to append the packet again after recognizing
the fact there has been a bus reset, and clearing busReset.

Signed-off-by: Jarod Wilson <jwilson@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:35 +02:00
Jarod Wilson 75f7832e3b firewire: fw-ohci: log regAccessFail events
While trying to debug this piece of crap JMicron PCI-e controller in my
possession, one thought was that perhaps I was encountering register access
failures. I'm not, but logging them would be good, so we can see if they
are a real problem we should be taking into account anywhere in the code.

Signed-off-by: Jarod Wilson <jwilson@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (added list contact)
2008-04-18 17:55:34 +02:00
Jarod Wilson 022147242f firewire: fw-ohci: make sure HCControl register LPS bit is set
I've now witnessed multiple occasions where one of my controllers (a very
poorly working JMicron PCIe card) fails to get its registers properly set
up in ohci_enable(), apparently due to an occasionally very slow to
initiate SClk. The easy fix for this problem is to add a tiny while loop
to try again a time or three after initially enabling LPS before we
move on (or give up).

Of course, the card still isn't fully functional yet, but this gets it at
least one tiny step closer...

Signed-off-by: Jarod Wilson <jwilson@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:34 +02:00
Stefan Richter 130d5496e2 firewire: fw-ohci: missing PPC PMac feature calls in failure path
Balance ohci_pmac_on and ohci_pmac_off if pci_driver.probe fails.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:34 +02:00
Stefan Richter 43286568ad firewire: fw-ohci: untangle a mixed unsigned/signed expression
and make another expression more readable.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:34 +02:00
Stefan Richter ad3c0fe8b8 firewire: debug interrupt events
This adds debug printks for asynchronous transmission and reception and
for self ID reception.  They can be enabled at module load time, and at
runtime via /sys/module/firewire_ohci/parameters/debug.

Signed-off-by: Jarod Wilson <jwilson@redhat.com>

Also added:  Logging of interrupt event codes and of cancelled AT
packets.

The code now depends on a Kconfig variable.  This makes it easier to
build firewire-ohci without the feature or to make it an option in the
future.  The variable is currently hidden and always on.

This feature inflates firewire-ohci.ko by 7 kB = 27% on x86-64 and by
4 kB = 23% on i686.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:34 +02:00
Stefan Richter 016bf3dfcf firewire: fw-ohci: catch self_id_count == 0
fw_core_handle_bus_reset() incorrectly relied on the assumption that
self_id_count > 0.

We check early in fw-ohci and discard the self ID complete event if
self_id_count == 0 because a valid event always has at least one self ID
packet in it (the one of the local node).  Hence treat self_id_count ==
0 like any other kind of invalid self ID buffer.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
2008-04-18 17:55:34 +02:00
Stefan Richter c8a9a498e1 firewire: fw-ohci: add self ID error check
Discard self ID buffer contents if
  - the selfIDError flag is set,
  - any of the self ID packets has bit errors.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
2008-04-18 17:55:33 +02:00
Stefan Richter 2ed0f181f0 firewire: fw-ohci: refactor probe, remove, suspend, resume
Clean up shared code and variable names.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:33 +02:00
Stefan Richter eb5ca72eff firewire: fw-ohci: switch on bus power after resume on PPC PMac
The platform feature calls in the suspend method switched off cable
power, but the calls in the resume method did not switch it back on.

Add the necessary feature call to .resume.  Also add the corresponding
call to .suspend to make .suspend's behavior explicitly the same on all
PMacs.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:33 +02:00
Stefan Richter 080de8c2c5 firewire: fw-ohci: add option for remote debugging
This way firewire-ohci can be used for remote debugging like ohci1394.
Version with amendment from Fri, 11 Apr 2008 00:08:08 +0200.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Acked-by: Bernhard Kaindl <bk@suse.de>
2008-04-18 17:55:33 +02:00
Jarod Wilson 17cff9ff87 firewire: fw-sbp2: set dual-phase cycle_limit
Try to write dual-phase retry protocol limits to BUSY_TIMEOUT register.
- The dual-phase retry protocol is optional to implement, and if not 
  supported, writes to the dual-phase portion of the register will be
  ignored. We try to write the original 1394-1995 default here.
- In the case of devices that are also SBP-3-compliant, all writes are 
  ignored, as the register is read-only, but contains single-phase retry of
  15, which is what we're trying to set for all SBP-2 device anyway, so this
  write attempt is safe and yields more consistent behavior for all devices.

See section 8.3.2.3.5 of the 1394-1995 spec, section 6.2 of the SBP-2 spec,
and section 6.4 of the SBP-3 spec for further details.

Signed-off-by: Jarod Wilson <jwilson@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:33 +02:00
Stefan Richter a5fd9ec7a2 firewire: fw-sbp2: reduce log noise
The block/unblock logic is now sufficiently tested.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:32 +02:00
Stefan Richter 6f73100cbb firewire: fw-sbp2: remove unnecessary memset
orb came from kzalloc.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:32 +02:00
Stefan Richter 0d7dcbf2a3 firewire: fw-sbp2: simplify some macros
How hard can it be to switch on one bit? :-)

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:32 +02:00
Stefan Richter 71ee9f01f2 firewire: fw-sbp2: remove usages of fw_memcpy_to_be32
Write directly in big endian instead of byte-swapping after the fact.
This saves a few conversions, lets gcc use constant endianess
conversions where possible, and enables deeper endianess annotation.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:32 +02:00
Stefan Richter 8ac3a47cab firewire: fw-sbp2: relax SCSI DMA alignment
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:32 +02:00
Stefan Richter 1dc3bea78b firewire: refactor fw_unit reference counting
Add wrappers for getting and putting a unit.
Remove some line breaks.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
2008-04-18 17:55:32 +02:00
Stefan Richter 7c1fca3366 firewire: fw-sbp2: fix reference counting
The reference count of the unit dropped too low in an error path in
sbp2_probe.  Fixed by moving the _get further up.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
2008-04-18 17:55:31 +02:00
Stefan Richter bd7dee6311 firewire: remove superfluous reference counting
The card->kref became obsolete since patch "firewire: fix crash in
automatic module unloading" added another counter of card users.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
2008-04-18 17:55:31 +02:00
Philippe De Muyter a6ca4f7081 ieee1394: limit early node speed to host interface speed
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>
2008-04-18 17:55:31 +02:00
Robert P. J. Day ee2d91e2b3 ieee1394: Remove superfluous calls to kobject_set_name().
Unless you're adding a kobject to the sysfs hierarchy, there is no
point setting its kobject name.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:31 +02:00
Stefan Richter 9508c208aa ieee1394: ohci1394: missing PPC PMac feature calls in failure path
The failure path of ohci1394_pci_probe() reuses ohci1394_pci_remove().
Doing so it missed to call ohci1394_pmac_off() in a few unlikely early
error cases.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:31 +02:00
Stefan Richter c4e2e02bc9 ieee1394: ohci1394: refactor some printk format strings
to reduce the size of ohci1394.ko.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:31 +02:00
Stefan Richter d09c680383 ieee1394: ohci1394: unroll a macro with return
We don't want to hide something like return in a preprocessor macro.
Unroll the macro and use a goto, which also reduces the size of
ohci1394.ko.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:30 +02:00
Robert P. J. Day e351c4d069 ieee1394: Use shorter list_splice_init() for brevity.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:30 +02:00
Harvey Harrison b1ce1fd778 ieee1394: replace remaining __FUNCTION__ occurrences
__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>
2008-04-18 17:55:30 +02:00
Stefan Richter b25d166616 ieee1394: ohci1394: refactor probe, remove, suspend, resume
Clean up shared code and variable names.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:30 +02:00
Stefan Richter 38275ac36d ieee1394: ohci1394: switch on bus power after resume on PPC PMac
The platform feature calls in the suspend method switched off cable
power, but the calls in the resume method did not switch it back on.

Add the necessary feature call to .resume.  Also add the corresponding
call to .suspend to make .suspend's behavior explicitly the same on all
PMacs.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-04-18 17:55:30 +02:00