kernel/git/stable/linux-stable.git/drivers/pci, branch linux-2.6.24.y

pci: revert SMBus unhide on HP Compaq nx6110

2008-04-19T01:53:21+00:00

upstream commit: a99acc832de1104afaba02d7c2576fd9b9fd6422 This reverts commit 3c0a654e390d00fef9d8faed758f5e1e8078adb5 and fixes kernel bug #10245: http://bugzilla.kernel.org/show_bug.cgi?id=10245 The HP Compaq nc6120 has the same PCI sub-device ID as the nx6110, and the SMBus is used by ACPI for thermal management on the nc6120, so Linux should not attach a native driver to it. This means that this quirk is unsafe and has to be removed. I also added a comment to help developers realize that adding new IDs to this SMBus unhiding quirk table should be done only with great care, and in particular only after checking that ACPI is not making use of the SMBus. Signed-off-by: Jean Delvare Cc: Tomasz Koprowski Acked-by: Greg Kroah-Hartman Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Chris Wright

PCI: Fix fakephp deadlock

2008-02-08T19:46:25+00:00

This patch works around a problem in the fakephp driver when a process writing "0" to a "power" sysfs file to fake removal of a PCI device ends up deadlocking itself in the sysfs code. The patch was recently accepted into Linus' tree after the 2.6.24 release: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=5c796ae7a7ebe56967ed9b9963d7c16d733635ff Signed-off-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman

ACPI: apply quirk_ich6_lpc_acpi to more ICH8 and ICH9

2008-01-11T05:24:55+00:00

It is important that these resources be reserved to avoid conflicts with well known ACPI registers. Signed-off-by: Zhao Yakui Signed-off-by: Len Brown

[PCI] Do not enable CRS Software Visibility by default

2007-12-28T05:21:36+00:00

It appears that some PCI-E bridges do the wrong thing in the presense of CRS Software Visibility and MMCONFIG. In particular, it looks like an ATI bridge (device ID 7936) will return 0001 in the vendor ID field of any bridged devices indefinitely. Not enabling CRS SV avoids the problem, and as we currently do not really make good use of the feature anyway (we just time out rather than do any threaded discovery as suggested by the CRS specs), we're better off just not enabling it. This should fix a slew of problem reports with random devices (generally graphics adapters or fairly high-performance networking cards, since it only affected PCI-E) not getting properly recognized on these AMD systems. If we really want to use CRS-SV, we may end up eventually needing a whitelist of systems where this should be enabled, along with some kind of "pcibios_enable_crs()" query to call the system-specific code. Suggested-by: Loic Prylli Tested-by: Kai Ruhnau Cc: Matthew Wilcox Cc: Greg Kroah-Hartman Signed-off-by: Linus Torvalds

PCI: Restore PCI expansion ROM P2P prefetch window creation

2007-12-17T18:41:19+00:00

Restore PCI expansion ROM P2P prefetch window creation. This patch reverts previous "Avoid creating P2P prefetch window for expansion ROMs" change due to regressions that were spotted on some systems. Signed-off-by: Gary Hade Signed-off-by: Greg Kroah-Hartman

Revert "PCI: fix IDE legacy mode resources"

2007-12-10T15:40:54+00:00

This reverts commit fd6e732186ab522c812ab19c2c5e5befb8ec8115, which helped up things on MIPS, but was wrong for everything else. As Ralf Baechle puts it: "It seems the whole MIPS resource managment is complicated enough (out of necessity) that only a few people actually grok it. Ioports being actually memory mapped on MIPS only makes the confusion worse, sigh." Requested-by: Benjamin Herrenschmidt Acked-by: Alan Cox Acked-by: Ralf Baechle Signed-off-by: Linus Torvalds

pci hotplug: kernel-doc fixes

2007-11-28T22:35:26+00:00

acpiphp.h: not using kernel-doc, so change /** to /* acpiphp_core.c: lots of kernel-doc cleanups acpiphp_glue.c: lots of kernel-doc cleanups acpiphp_ibm.c: lots of kernel-doc cleanups cpqphp_core.c: lots of kernel-doc cleanups cpqphp_ctrl.c: lots of kernel-doc cleanups fakephp.c: correct kernel-doc notation pciehp_ctrl.c: correct kernel-doc notation rpadlpar_core.c: correct function names & kernel-doc notation rpaphp_core.c: correct kernel-doc notation shpchp_ctrl.c: correct kernel-doc notation Signed-off-by: Randy Dunlap Cc: Kristen Accardi Signed-off-by: Greg Kroah-Hartman

pci-aer: fix kernel-doc mistakes

2007-11-28T22:35:26+00:00

Fix kernel-doc parameter names and ending block comments (change **/ to */). Signed-off-by: Randy Dunlap Acked-by: Linas Vepstas Signed-off-by: Greg Kroah-Hartman

PCI: drivers/pci/pci-sysfs.c: Add missing pci_dev_put

2007-11-28T22:35:26+00:00

There should be a pci_dev_put when breaking out of a loop that iterates over calls to pci_get_device and similar functions. This was fixed using the following semantic patch. // @@ identifier d; type T; expression e; iterator for_each_pci_dev; @@ T *d; ... for_each_pci_dev(d) {... when != pci_dev_put(d) when != e = d ( return d; | + pci_dev_put(d); ? return ...; ) ...} // Signed-off-by: Julia Lawall Signed-off-by: Greg Kroah-Hartman

PCI: pcie portdriver: initialize returned value

2007-11-28T22:35:25+00:00

The pcie protdrv status can be returned uninitialized, if there are no children under a device. This leads to bad responses downstream. Fix this. Signed-off-by: Linas Vepstas Signed-off-by: Greg Kroah-Hartman