linux-stable.git/drivers/pci, branch linux-2.6.17.y

Add PIIX4 APCI quirk for the 440MX chipset too

2006-10-13T18:50:11+00:00

This is confirmed to fix a hang due to PCI resource conflicts with
setting up the Cardbus bridge on old laptops with the 440MX chipsets.
Original report by Alessio Sangalli, lspci debugging help by Pekka
Enberg, and trial patch suggested by Daniel Ritz:

  "From the docs available i would _guess_ this thing is really similar
   to the 82443BX/82371AB combination.  at least the SMBus base address
   register is hidden at the very same place (32bit at 0x90 in function
   3 of the "south" brigde)"

The dang thing is largely undocumented, but the patch was corroborated
by Asit Mallick:

  "I am trying to find the register information. 440MX is an integration of
   440BX north-bridge without AGP and PIIX4E (82371EB).  PIIX4 quirk
   should cover the ACPI and SMBus related I/O registers."

and verified to fix the problem by Alessio.

Cc: Daniel Ritz 
Cc: Asit Mallick 
Cc: Pekka Enberg 
Cc: Ivan Kokshaysky 
Cc: Dmitry Torokhov 
Tested-by: Alessio Sangalli 
Signed-off-by: Linus Torvalds 
Signed-off-by: Greg Kroah-Hartman

PCI: fix ICH6 quirks

2006-08-23T21:13:31+00:00

- add the ICH6(R) LPC to the ICH6 ACPI quirks. currently only the ICH6-M is
  handled. [ PCI_DEVICE_ID_INTEL_ICH6_1 is the ICH6-M LPC, ICH6_0 is the ICH6(R) ]
- remove the wrong quirk calling asus_hides_smbus_lpc() for ICH6. the register
  modified in asus_hides_smbus_lpc() has a different meaning in ICH6.

Signed-off-by: Daniel Ritz 
Cc: Jean Delvare 
Signed-off-by: Greg Kroah-Hartman

[PATCH] PCI: reverse pci config space restore order

2006-06-11T21:02:27+00:00

According to Intel ICH spec, there are several rules that Base Address
should be programmed before IOSE  (PCICMD register ) enabled.

For example ICH7:

12.1.3  SATA : the base address register for the bus master register
               should be programmed before this bit is set.

11.1.3:  PCICMD (USB): The base address register for USB should be
                       programmed before this bit is set.
....

To make sure kernel code follow this rule , and prevent unnecessary
confusion. I proposal this patch.

Signed-off-by: Luming Yu 
Signed-off-by: Andrew Morton 
Signed-off-by: Greg Kroah-Hartman

[PATCH] PCI: Improve PCI config space writeback

2006-06-11T21:02:27+00:00

At least one laptop blew up on resume from suspend with a black screen due
to a lack of this patch.  By only writing back config space that is
different, we minimise the possibility of accidents like this.

Signed-off-by: Dave Jones 
Signed-off-by: Andrew Morton 
Signed-off-by: Greg Kroah-Hartman

[PATCH] PCI: Error handling on PCI device resume

2006-06-11T21:02:27+00:00

We currently don't handle errors properly when resuming a PCI device:
* In pci_default_resume() we capture the error code returned by
  pci_enable_device() but don't pass it up to the caller.
  Introduced by commit 95a629657dbe28e44a312c47815b3dc3f1ce0970
* In pci_resume_device(), the errors possibly returned by the driver's
  .resume method or by the generic pci_default_resume() function are
  ignored.

This patch fixes both issues.

Signed-off-by: Jean Delvare 
Signed-off-by: Greg Kroah-Hartman

[PATCH] pci: correctly allocate return buffers for osc calls

2006-05-21T19:59:18+00:00

The OSC set and query functions do not allocate enough space for return
values, and set the output buffer length to a false, too large value.  This
causes the acpi-ca code to assume that the output buffer is larger than it
actually is, and overwrite memory when copying acpi return buffers into
this caller provided buffer.  In some cases this can cause kernel oops if
the memory that is overwritten is a pointer.  This patch will change these
calls to use a dynamically allocated output buffer, thus allowing the
acpi-ca code to decide how much space is needed.

Signed-off-by: Kristen Carlson Accardi 
Cc: "Brown, Len" 
Cc: "Yu, Luming" 
Cc: Greg KH 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[PATCH] smbus unhiding kills thermal management

2006-05-15T18:20:57+00:00

Do not enable the SMBus device on Asus boards if suspend is used.  We do
not reenable the device on resume, leading to all sorts of undesirable
effects, the worst being a total fan failure after resume on Samsung P35
laptop.

Signed-off-by: Carl-Daniel Hailfinger 
Signed-off-by: Pavel Machek 
Cc: 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[PATCH] VIA quirk fixup, additional PCI IDs

2006-05-15T18:20:55+00:00

An earlier commit (75cf7456dd87335f574dcd53c4ae616a2ad71a11) changed an
overly-zealous PCI quirk to only poke those VIA devices that need it.
However, some PCI devices were not included in what I hope is now the full
list.  Consequently we're failing to run the quirk on all machines which need
it, causing IRQ routing failures.

This should I hope correct this.

Thanks to Masoud Sharbiani  for pointing this out
and testing the fix.

Signed-off-by: Chris Wedgwood 
Cc: Greg KH 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[PATCH] PCI quirk: VIA IRQ fixup should only run for VIA southbridges

2006-04-27T20:00:51+00:00

Alan Cox pointed out that the VIA 'IRQ fixup' was erroneously running
on my system which has no VIA southbridge (but I do have a VIA IEEE
1394 device).

This should address that.  I also changed "Via IRQ" to "VIA IRQ"
(initially I read Via as a capitalized via (by way/means of).

Signed-off-by: Chris Wedgwood 
Acked-by: Jeff Garzik 
Signed-off-by: Greg Kroah-Hartman

[PATCH] PCI: fix potential resource leak in drivers/pci/msi.c

2006-04-27T20:00:51+00:00

The coverity checker spotted (as entry #599) that we might leak `entry' in
drivers/pci/msi.c::msix_capability_init()
This patch should take care of that.

Signed-off-by: Jesper Juhl 
Signed-off-by: Greg Kroah-Hartman