Commit Graph

242 Commits

Author SHA1 Message Date
Michał Mirosław 2ae203fa28 scsi: aic7xxx: regenerate firmware files
Regenerate firmware files to make cleaner base for following fix.
This removes some unused definitions and reorders some #defines, but
the code remains the same.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-10 19:36:51 -04:00
Michał Mirosław 3ee25e8ff5 scsi: aic7xxx: fix firmware build deps
We need to override Kbuild rules for copying shipped files, otherwise
aic7xxx_reg.h and aic7xxx_reg_print.c will be ovewritten by old versions.

Fixes: 516b7db593
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-07 21:42:07 -04:00
Michał Mirosław fef124c30f scsi: aic7xxx: remove empty function
ahc_platform_dump_card_state() does nothing. Remove it.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-07 21:42:07 -04:00
Jakub Kicinski 516b7db593 scsi: aic7xxx: fix firmware build with O=path
Building firmware with O=path was apparently broken in aic7 for ever.
Message of the previous commit to the Makefile (from 2008) mentions this
unfortunate state of affairs already.  Fix this, mostly to make
randconfig builds more reliable.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-07-24 22:06:36 -04:00
Colin Ian King 7ecaeaffd7 scsi: aic7xxx: fix order of arguments in function prototype
The vendor/device and subvendor/subdevice arguments to the function
prototype ahc_9005_subdevinfo_valid are in the wrong order and need to
be swapped to fix this.  Detected with PVS-Studio studio.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-04-19 22:17:23 -04:00
Masahiro Yamada 8a1115ff6b scripts/spelling.txt: add "disble(d)" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  disble||disable
  disbled||disabled

I kept the TSL2563_INT_DISBLED in /drivers/iio/light/tsl2563.c
untouched.  The macro is not referenced at all, but this commit is
touching only comment blocks just in case.

Link: http://lkml.kernel.org/r/1481573103-11329-20-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-03-09 17:01:09 -08:00
Masanari Iida 9165dabb25 treewide: Fix printk() message errors
This patch fix spelling typos in printk and kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-12-14 10:54:27 +01:00
Alan 5a51a7abca aic7xxx: Fix queue depth handling
We were setting the queue depth correctly, then setting it back to
two. If you hit this as a bisection point then please send me an email
as it would imply we've been hiding other bugs with this one.

Cc: <stable@vger.kernel.org>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23 21:27:02 -05:00
Michal Marek e594a17812 aic7xxx: Avoid name collision with <linux/list.h>
Rename the local definition of LIST_HEAD to BSD_LIST_HEAD. This fixes a
ctags error if we apply the C rules to header files  as well:

ctags: Warning: drivers/scsi/aic7xxx/aic79xx.h:1072: null expansion of name pattern "\3"
ctags: Warning: drivers/scsi/aic7xxx/aic7xxx.h:919: null expansion of name pattern "\3"

Signed-off-by: Michal Marek <mmarek@suse.com>
2016-01-05 22:10:35 +01:00
Christoph Hellwig 64d513ac31 scsi: use host wide tags by default
This patch changes the !blk-mq path to the same defaults as the blk-mq
I/O path by always enabling block tagging, and always using host wide
tags.  We've had blk-mq available for a few releases so bugs with
this mode should have been ironed out, and this ensures we get better
coverage of over tagging setup over different configs.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-11-09 17:11:57 -08:00
Nik Nyby 5f367f0288 aic7xxx: Fix typo in error message
This fixes "referenced" where it is spelled "referrenced".

Signed-off-by: Nik Nyby <nikolas@gnu.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
2015-08-07 14:36:05 +02:00
Michael Opdenacker 114fc1d9a8 aic7xxx: replace kmalloc/memset by kzalloc
This replaces kmalloc + memset by a call to kzalloc

This also fixes one checkpatch.pl issue in the process.

This improvement was suggested by "make coccicheck"

Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2015-04-09 13:22:10 -07:00
Linus Torvalds 540a7c5061 SCSI misc on 20150209
This is the usual grab bag of driver updates (hpsa, storvsc, mp2sas,
 megaraid_sas, ses) plus an assortment of minor updates.  There's also an
 update to ufs which adds new phy drivers and finally a new logging
 infrastructure for SCSI.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull first round of SCSI updates from James Bottomley:
 "This is the usual grab bag of driver updates (hpsa, storvsc, mp2sas,
  megaraid_sas, ses) plus an assortment of minor updates.

  There's also an update to ufs which adds new phy drivers and finally a
  new logging infrastructure for SCSI"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (114 commits)
  scsi_logging: return void for dev_printk() functions
  scsi: print single-character strings with seq_putc
  scsi: merge consecutive seq_puts calls
  scsi: replace seq_printf with seq_puts
  aha152x: replace seq_printf with seq_puts
  advansys: replace seq_printf with seq_puts
  scsi: remove SPRINTF macro
  sg: remove an unused variable
  hpsa: Use local workqueues instead of system workqueues
  hpsa: add in P840ar controller model name
  hpsa: add in gen9 controller model names
  hpsa: detect and report failures changing controller transport modes
  hpsa: shorten the wait for the CISS doorbell mode change ack
  hpsa: refactor duplicated scan completion code into a new routine
  hpsa: move SG descriptor set-up out of hpsa_scatter_gather()
  hpsa: do not use function pointers in fast path command submission
  hpsa: print CDBs instead of kernel virtual addresses for uncommon errors
  hpsa: do not use a void pointer for scsi_cmd field of struct CommandList
  hpsa: return failed from device reset/abort handlers
  hpsa: check for ctlr lockup after command allocation in main io path
  ...
2015-02-11 10:28:45 -08:00
Linus Torvalds 29afc4e9a4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree changes from Jiri Kosina:
 "Patches from trivial.git that keep the world turning around.

  Mostly documentation and comment fixes, and a two corner-case code
  fixes from Alan Cox"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  kexec, Kconfig: spell "architecture" properly
  mm: fix cleancache debugfs directory path
  blackfin: mach-common: ints-priority: remove unused function
  doubletalk: probe failure causes OOPS
  ARM: cache-l2x0.c: Make it clear that cache-l2x0 handles L310 cache controller
  msdos_fs.h: fix 'fields' in comment
  scsi: aic7xxx: fix comment
  ARM: l2c: fix comment
  ibmraid: fix writeable attribute with no store method
  dynamic_debug: fix comment
  doc: usbmon: fix spelling s/unpriviledged/unprivileged/
  x86: init_mem_mapping(): use capital BIOS in comment
2015-02-10 18:57:15 -08:00
Rasmus Villemoes f50332ff25 scsi: print single-character strings with seq_putc
Using seq_putc to print a single character saves at least a strlen()
call and a memory access, and may also give a small .text reduction.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02 09:57:46 -08:00
Rasmus Villemoes 91c40f24fa scsi: replace seq_printf with seq_puts
Using seq_printf to print a simple string is a lot more expensive than
it needs to be, since seq_puts exists. Replace seq_printf with
seq_puts when possible.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02 09:57:45 -08:00
Geert Uytterhoeven a7870c0f26 scsi: aic7xxx: fix comment
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Hannes Reinecke <hare@suse.de>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-01-20 13:49:43 +01:00
Christoph Hellwig db5ed4dfd5 scsi: drop reason argument from ->change_queue_depth
Drop the now unused reason argument from the ->change_queue_depth method.
Also add a return value to scsi_adjust_queue_depth, and rename it to
scsi_change_queue_depth now that it can be used as the default
->change_queue_depth implementation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Hannes Reinecke <hare@suse.de>
2014-11-24 14:45:27 +01:00
Christoph Hellwig c8b09f6fb6 scsi: don't set tagging state from scsi_adjust_queue_depth
Remove the tagged argument from scsi_adjust_queue_depth, and just let it
handle the queue depth.  For most drivers those two are fairly separate,
given that most modern drivers don't care about the SCSI "tagged" status
of a command at all, and many old drivers allow queuing of multiple
untagged commands in the driver.

Instead we start out with the ->simple_tags flag set before calling
->slave_configure, which is how all drivers actually looking at
->simple_tags except for one worke anyway.  The one other case looks
broken, but I've kept the behavior as-is for now.

Except for that we only change ->simple_tags from the ->change_queue_type,
and when rejecting a tag message in a single driver, so keeping this
churn out of scsi_adjust_queue_depth is a clear win.

Now that the usage of scsi_adjust_queue_depth is more obvious we can
also remove all the trivial instances in ->slave_alloc or ->slave_configure
that just set it to the cmd_per_lun default.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
2014-11-12 11:19:43 +01:00
Christoph Hellwig 2ecb204d07 scsi: always assign block layer tags if enabled
Allow a driver to ask for block layer tags by setting .use_blk_tags in the
host template, in which case it will always see a valid value in
request->tag, similar to the behavior when using blk-mq.  This means even
SCSI "untagged" commands will now have a tag, which is especially useful
when using a host-wide tag map.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
2014-11-12 11:19:43 +01:00
Christoph Hellwig 5066863337 scsi: remove abuses of scsi_populate_tag
Unless we want to build a SPI tag message we should just check SCMD_TAGGED
instead of reverse engineering a tag type through the use of
scsi_populate_tag_msg.

Also rename the function to spi_populate_tag_msg, make it behave like the
other spi message helpers, and move it to the spi transport class.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Hannes Reinecke <hare@suse.de>
2014-11-12 11:19:41 +01:00
Christoph Hellwig 125c99bc8b scsi: add new scsi-command flag for tagged commands
Currently scsi piggy backs on the block layer to define the concept
of a tagged command.  But we want to be able to have block-level host-wide
tags assigned even for untagged commands like the initial INQUIRY, so add
a new SCSI-level flag for commands that are tagged at the scsi level, so
that even commands without that set can have tags assigned to them.  Note
that this alredy is the case for the blk-mq code path, and this just lets
the old path catch up with it.

We also set this flag based upon sdev->simple_tags instead of the block
queue flag, so that it is entirely independent of the block layer tagging,
and thus always correct even if a driver doesn't use block level tagging
yet.

Also remove the old blk_rq_tagged; it was only used by SCSI drivers, and
removing it forces them to look for the proper replacement.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
2014-11-12 11:19:40 +01:00
Masanari Iida 9b13494c91 treewide: Fix typo in printk
This patch fix spelling typo in printk within vairous
part of the code.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-08-26 09:35:54 +02:00
Himangi Saraogi 1f3d2d9edc aic7xxx: Use kstrdup
Use kstrdup when the goal of an allocation is copy a string into the
allocated region.

The Coccinelle semantic patch that makes this change is as follows:

// <smpl>
@@
expression from,to;
expression flag,E1,E2;
statement S;
@@

-  to = kmalloc(strlen(from) + 1,flag);
+  to = kstrdup(from, flag);
   ... when != \(from = E1 \| to = E1 \)
   if (to==NULL || ...) S
   ... when != \(from = E2 \| to = E2 \)
-  strcpy(to, from);
// </smpl>

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-25 17:16:54 -04:00
Hannes Reinecke 9cb78c16f5 scsi: use 64-bit LUNs
The SCSI standard defines 64-bit values for LUNs, and large arrays
employing large or hierarchical LUN numbers become more and more
common.

So update the linux SCSI stack to use 64-bit LUN numbers.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-17 22:07:37 +02:00
Linus Torvalds 1c54fc1efe SCSI for-linus on 20140609
This patch consists of the usual driver updates (qla2xxx, qla4xxx, lpfc,
 be2iscsi, fnic, ufs, NCR5380) The NCR5380 is the addition to maintained status
 of a long neglected driver for older hardware.  In addition there are a lot of
 minor fixes and cleanups and some more updates to make scsi mq ready.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This patch consists of the usual driver updates (qla2xxx, qla4xxx,
  lpfc, be2iscsi, fnic, ufs, NCR5380) The NCR5380 is the addition to
  maintained status of a long neglected driver for older hardware.  In
  addition there are a lot of minor fixes and cleanups and some more
  updates to make scsi mq ready"

* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (130 commits)
  include/scsi/osd_protocol.h: remove unnecessary __constant
  mvsas: Recognise device/subsystem 9485/9485 as 88SE9485
  Revert "be2iscsi: Fix processing cqe for cxn whose endpoint is freed"
  mptfusion: fix msgContext in mptctl_hp_hostinfo
  acornscsi: remove linked command support
  scsi/NCR5380: dprintk macro
  fusion: Remove use of DEF_SCSI_QCMD
  fusion: Add free msg frames to the head, not tail of list
  mpt2sas: Add free smids to the head, not tail of list
  mpt2sas: Remove use of DEF_SCSI_QCMD
  mpt2sas: Remove uses of serial_number
  mpt3sas: Remove use of DEF_SCSI_QCMD
  mpt3sas: Remove uses of serial_number
  qla2xxx: Use kmemdup instead of kmalloc + memcpy
  qla4xxx: Use kmemdup instead of kmalloc + memcpy
  qla2xxx: fix incorrect debug printk
  be2iscsi: Bump the driver version
  be2iscsi: Fix processing cqe for cxn whose endpoint is freed
  be2iscsi: Fix destroy MCC-CQ before MCC-EQ is destroyed
  be2iscsi: Fix memory corruption in MBX path
  ...
2014-06-09 18:54:06 -07:00
Paul Bolle dd37a76c10 aic7xxx: Remove obsolete preprocessor define
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-05-26 10:39:29 +02:00
Mathias Krause b413cf4906 aic79xx: fix misuse of static variables
The format strings for various printk()s make use of a temporary
variable that is declared 'static'. This is probably not intended,
so fix those.

Found in the PaX patch, written by the PaX Team.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Cc: "James E.J. Bottomley" <JBottomley@parallels.com>
Cc: PaX Team <pageexec@freemail.hu>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-05-19 19:12:23 +02:00
Geert Uytterhoeven 3cab65c466 aic7xxx: Spelling s/termnation/termination/
Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Cc: James E.J. Bottomley <JBottomley@parallels.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-05-05 15:37:50 +02:00
Michael Opdenacker 4909cc2b89 [SCSI] remove deprecated IRQF_DISABLED from SCSI
It's a NOOP since 2.6.35 and it will be removed one day.

[jejb: remove from missed arm scsi drivers]
Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-19 15:04:44 -07:00
Dave Jones 6f8f8e4d31 [SCSI] aic7xxx: fix swapped arguments in ahc_find_pci_device
The prototype for ahc_9005_subdevinfo_valid shows that the caller has the
arguments in the wrong order.

 637 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
 638                           uint16_t subdevice, uint16_t subvendor)

Signed-off-by: Dave Jones <davej@fedoraproject.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-09-10 14:48:16 -07:00
Al Viro 6b3a8bbfd1 aic7xxx: switch to ->show_info()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-09 14:13:26 -04:00
Al Viro f6f83a6c92 aic79xx: switch to ->show_info()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-09 14:13:25 -04:00
Masanari Iida 59e13d4833 scsi: fix various printk and comment typos
Correct spelling typo within drivers/scsi

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-09-01 08:24:35 -07:00
Lucas De Marchi 970e248649 Documentation: remove references to /etc/modprobe.conf
Usage of /etc/modprobe.conf file was deprecated by module-init-tools and
is no longer parsed by new kmod tool. References to this file are
replaced in Documentation, comments and Kconfig according to the
context.

There are also some references to the old /etc/modules.conf from 2.4
kernels that are being removed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-30 16:03:15 -07:00
Masanari Iida 3f4f27e178 aic7xxx: Fix typo in aic7xxx
Correct spelling "staus" to "status" in aic79xx_core.c and
Correct spelling "staus" to "status" in aic7xxx_core.c and
Correct spelling "supportd" to "supported" in aic79xx_core.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-02-05 17:14:46 +01:00
Justin P. Mattock 42b2aa86c6 treewide: Fix typos in various parts of the kernel, and fix some comments.
The below patch fixes some typos in various parts of the kernel, as well as fixes some comments.
Please let me know if I missed anything, and I will try to get it changed and resent.

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-12-02 14:57:31 +01:00
Paul Bolle efe2e87841 aic7xxx: fix Kconfig references to READMEs
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-10-10 23:52:56 +02:00
Justin P. Mattock 70f23fd66b treewide: fix a few typos in comments
- kenrel -> kernel
- whetehr -> whether
- ttt -> tt
- sss -> ss

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-05-10 10:16:21 +02:00
Lucas De Marchi 25985edced Fix common misspellings
Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-31 11:26:23 -03:00
Justin P. Mattock 5a3a765886 Comment typo fixes for 'descriptor'
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-01-19 15:37:19 +01:00
Jesper Juhl 2099973abf scsi: Remove unnecessary casts of void ptr returning alloc function return values
The [vk][cmz]alloc(_node) family of functions return void pointers which
it's completely unnecessary/pointless to cast to other pointer types since
that happens implicitly.

This patch removes such casts from drivers/scsi/

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-01-19 15:26:40 +01:00
Jeff Garzik f281233d3e SCSI host lock push-down
Move the mid-layer's ->queuecommand() invocation from being locked
with the host lock to being unlocked to facilitate speeding up the
critical path for drivers who don't need this lock taken anyway.

The patch below presents a simple SCSI host lock push-down as an
equivalent transformation.  No locking or other behavior should change
with this patch.  All existing bugs and locking orders are preserved.

Additionally, add one parameter to queuecommand,
	struct Scsi_Host *
and remove one parameter from queuecommand,
	void (*done)(struct scsi_cmnd *)

Scsi_Host* is a convenient pointer that most host drivers need anyway,
and 'done' is redundant to struct scsi_cmnd->scsi_done.

Minimal code disturbance was attempted with this change.  Most drivers
needed only two one-line modifications for their host lock push-down.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-16 13:33:23 -08:00
Pekka Enberg 48813cf989 [SCSI] aic7xxx: Remove OS utility wrappers
This patch removes malloc(), free(), and printf() wrappers from the aic7xxx
SCSI driver. I didn't use pr_debug for printf because of some 'clever' uses of
printf don't compile with the pr_debug. I didn't fix the overeager uses of
GFP_ATOMIC either because I wanted to keep this patch as simple as possible.

[jejb:fixed up checkpatch errors and fixed up missed conversion]
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-28 09:05:27 -05:00
Tejun Heo 5a0e3ad6af include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files.  percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.

percpu.h -> slab.h dependency is about to be removed.  Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability.  As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.

  http://userweb.kernel.org/~tj/misc/slabh-sweep.py

The script does the followings.

* Scan files for gfp and slab usages and update includes such that
  only the necessary includes are there.  ie. if only gfp is used,
  gfp.h, if slab is used, slab.h.

* When the script inserts a new include, it looks at the include
  blocks and try to put the new include such that its order conforms
  to its surrounding.  It's put in the include block which contains
  core kernel includes, in the same order that the rest are ordered -
  alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
  doesn't seem to be any matching order.

* If the script can't find a place to put a new include (mostly
  because the file doesn't have fitting include block), it prints out
  an error message indicating which .h file needs to be added to the
  file.

The conversion was done in the following steps.

1. The initial automatic conversion of all .c files updated slightly
   over 4000 files, deleting around 700 includes and adding ~480 gfp.h
   and ~3000 slab.h inclusions.  The script emitted errors for ~400
   files.

2. Each error was manually checked.  Some didn't need the inclusion,
   some needed manual addition while adding it to implementation .h or
   embedding .c file was more appropriate for others.  This step added
   inclusions to around 150 files.

3. The script was run again and the output was compared to the edits
   from #2 to make sure no file was left behind.

4. Several build tests were done and a couple of problems were fixed.
   e.g. lib/decompress_*.c used malloc/free() wrappers around slab
   APIs requiring slab.h to be added manually.

5. The script was run on all .h files but without automatically
   editing them as sprinkling gfp.h and slab.h inclusions around .h
   files could easily lead to inclusion dependency hell.  Most gfp.h
   inclusion directives were ignored as stuff from gfp.h was usually
   wildly available and often used in preprocessor macros.  Each
   slab.h inclusion directive was examined and added manually as
   necessary.

6. percpu.h was updated not to include slab.h.

7. Build test were done on the following configurations and failures
   were fixed.  CONFIG_GCOV_KERNEL was turned off for all tests (as my
   distributed build env didn't work with gcov compiles) and a few
   more options had to be turned off depending on archs to make things
   build (like ipr on powerpc/64 which failed due to missing writeq).

   * x86 and x86_64 UP and SMP allmodconfig and a custom test config.
   * powerpc and powerpc64 SMP allmodconfig
   * sparc and sparc64 SMP allmodconfig
   * ia64 SMP allmodconfig
   * s390 SMP allmodconfig
   * alpha SMP allmodconfig
   * um on x86_64 SMP allmodconfig

8. percpu.h modifications were reverted so that it could be applied as
   a separate patch and serve as bisection point.

Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.

Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-30 22:02:32 +09:00
Hannes Reinecke 534ef056db [SCSI] aic79xx: check for non-NULL scb in ahd_handle_nonpkt_busfree
When removing several devices aic79xx will occasionally Oops
in ahd_handle_nonpkt_busfree during rescan. Looking at the
code I found that we're indeed not checking if the scb in
question is NULL. So check for it before accessing it.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-01-17 12:48:12 -06:00
André Goddard Rosa af901ca181 tree-wide: fix assorted typos all over the place
That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-12-04 15:39:55 +01:00
Uwe Kleine-Knig b71a8eb0fa tree-wide: fix typos "selct" + "slect" -> "select"
This patch was generated by

	git grep -E -i -l 's(le|el)ct' | xargs -r perl -p -i -e 's/([Ss])(le|el)ct/$1elect/

with only skipping net/netfilter/xt_SECMARK.c and
include/linux/netfilter/xt_SECMARK.h which have a struct member called
selctx.

Signed-off-by: Uwe Kleine-Knig <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-11-09 09:40:56 +01:00
Uwe Kleine-Koenig 24ed7a9746 trivial: fix typo in aic7xxx comment
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-09-21 15:15:53 +02:00
James Bottomley ea4431906d [SCSI] aic79xx: make driver respect nvram for IU and QAS settings
This patch allows the Adaptec firmware to pass on its values for Packetize and
QAS.  To do this, the settings max_iu and max_qas have been introduced into
the SPI transport class and populated from the adaptec NVram tables.  Domain
validation in the SPI transport class will respect the max settings when
configuring to the highest possible speed for testing.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-06-15 10:09:35 -05:00