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44 Commits

Author SHA1 Message Date
Yijing Wang
a37bee7956 PCI: Update pci_find_slot() description in pci.txt 
pci_find_slot() has been removed from the kernel.  Document its
closest replacement, pci_get_domain_bus_and_slot(), instead.

[bhelgaas: fix indentation, keep mention in "obsolete" section]
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
 2013-09-25 15:43:33 -06:00
Alexander Gordeev
08261d87f7 PCI/MSI: Enable multiple MSIs with pci_enable_msi_block_auto() 
The new function pci_enable_msi_block_auto() tries to allocate
maximum possible number of MSIs up to the number the device
supports. It generalizes a pattern when pci_enable_msi_block()
is contiguously called until it succeeds or fails.

Opposite to pci_enable_msi_block() which takes the number of
MSIs to allocate as a input parameter,
pci_enable_msi_block_auto() could be used by device drivers to
obtain the number of assigned MSIs and the number of MSIs the
device supports.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Matthew Wilcox <willy@linux.intel.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/c3de2419df94a0f95ca1a6f755afc421486455e6.1353324359.git.agordeev@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2013-01-24 17:25:13 +01:00
Greg Kroah-Hartman
63a29f744f Documentation: remove __dev* attributes. 
CONFIG_HOTPLUG is going away as an option.  As a result, the __dev*
markings need to be removed.

This change removes the use of __devinit, __devexit_p, __devinitdata,
__devinitconst, and __devexit from the kernel documentation.

Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2013-01-03 15:57:16 -08:00
Donald Dutile
2597ba763f PCI: SRIOV control and status via sysfs (documentation) 
Add documentation of new sysfs files and new pci_driver SRIOV
configuration interface.

[bhelgaas: changelog]
Signed-off: Donald Dutile <ddutile@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
 2012-11-28 11:25:47 -07:00
Paul Bolle
395cf9691d doc: fix broken references 
There are numerous broken references to Documentation files (in other
Documentation files, in comments, etc.). These broken references are
caused by typo's in the references, and by renames or removals of the
Documentation files. Some broken references are simply odd.

Fix these broken references, sometimes by dropping the irrelevant text
they were part of.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
 2011-09-27 18:08:04 +02:00
Michael Witten
798c794df8 Docs: MSI-HOWTO: MSI -> MSIs 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:41 +00:00
Michael Witten
c2b65e181a Docs: MSI-HOWTO: Insert a comma 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:40 +00:00
Michael Witten
1b8386f612 Docs: MSI-HOWTO: can -> could 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:39 +00:00
Michael Witten
e6b85a1f8a Docs: MSI-HOWTO: Use unknown ...' rather than ... know about.' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:39 +00:00
Michael Witten
952df55b5a Docs: MSI-HOWTO: may -> might 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:37 +00:00
Michael Witten
e14bd7e614 Docs: MSI-HOWTO: Insert a comma 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:37 +00:00
Michael Witten
e6ffceb0de Docs: MSI-HOWTO: API -> function 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:36 +00:00
Michael Witten
5a84fc3162 Docs: MSI-HOWTO: , -> ; 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:36 +00:00
Michael Witten
6457d9b350 Docs: MSI-HOWTO: Move a sentence to another paragraph 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:35 +00:00
Michael Witten
ed737c1882 Docs: MSI-HOWTO: Insert `that' 
... as per Randy Dunlap's wishes :-P
Message-Id: <20110717114023.2b4cce91.rdunlap@xenotime.net>

Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:34 +00:00
Michael Witten
e4439236ef Docs: MSI-HOWTO: Offset modifier with a comma, and insert `yet' for emphasis 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:33 +00:00
Michael Witten
263d8d57b3 Docs: MSI-HOWTO: Put the `because' subordinate clause first 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:32 +00:00
Michael Witten
1d15afcc73 Docs: MSI-HOWTO: Streamline some wording 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:32 +00:00
Michael Witten
a2d4d50128 Docs: MSI-HOWTO: asked for' -> requested' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:31 +00:00
Michael Witten
4979de6efb Docs: MSI-HOWTO: Use present tense and streamline some wording 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:31 +00:00
Michael Witten
891f692533 Docs: MSI-HOWTO: Use the subjunctive, and change can' to may' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
 2011-08-02 21:34:30 +00:00
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
Kulikov Vasiliy
fa964e1aab Documentation: pci.txt: fix typo 
Doubled 'not'.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
 2010-07-11 22:17:45 +02:00
Linus Torvalds
6109e2ce26 Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (36 commits)
  PCI: hotplug: pciehp: Removed check for hotplug of display devices
  PCI: read memory ranges out of Broadcom CNB20LE host bridge
  PCI: Allow manual resource allocation for PCI hotplug bridges
  x86/PCI: make ACPI MCFG reserved error messages ACPI specific
  PCI hotplug: Use kmemdup
  PM/PCI: Update PCI power management documentation
  PCI: output FW warning in pci_read/write_vpd
  PCI: fix typos pci_device_dis/enable to pci_dis/enable_device in comments
  PCI quirks: disable msi on AMD rs4xx internal gfx bridges
  PCI: Disable MSI for MCP55 on P5N32-E SLI
  x86/PCI: irq and pci_ids patch for additional Intel Cougar Point DeviceIDs
  PCI: aerdrv: trivial cleanup for aerdrv_core.c
  PCI: aerdrv: trivial cleanup for aerdrv.c
  PCI: aerdrv: introduce default_downstream_reset_link
  PCI: aerdrv: rework find_aer_service
  PCI: aerdrv: remove is_downstream
  PCI: aerdrv: remove magical ROOT_ERR_STATUS_MASKS
  PCI: aerdrv: redefine PCI_ERR_ROOT_*_SRC
  PCI: aerdrv: rework do_recovery
  PCI: aerdrv: rework get_e_source()
  ...
 2010-05-21 18:58:52 -07:00
Hidetoshi Seto
89713422a7 PCI: aerdrv: introduce default_downstream_reset_link 
I noticed that when I inject a fatal error to an endpoint via
aer-inject, aer_root_reset() is called as reset_link for a
downstream port at upstream of the endpoint:

  pcieport 0000:00:06.0: AER: Uncorrected (Fatal) error received: id=5401
   :
  pcieport 0000:52:02.0: Root Port link has been reset

It externally appears to be working, but internally issues some
accesses to PCI_ERR_ROOT_COMMAND/STATUS registers that is for
root port so not available on downstream port.

This patch introduces default_downstream_reset_link that is
a version of aer_root_reset() with no accesses to root port's
register. It is used for downstream ports that has no reset_link
function its specific.

This patch also updates related description in pcieaer-howto.txt.
Some minor fixes are included.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
 2010-05-11 12:01:38 -07:00