This is a note to let you know that I've just added the patch titled
x86/PCI: use host bridge _CRS info on MSI MS-7253
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
x86-pci-use-host-bridge-_crs-info-on-msi-ms-7253.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 8411371709610c826bf65684f886bfdfb5780ca1 Mon Sep 17 00:00:00 2001
From: Jonathan Nieder <[email protected]>
Date: Tue, 28 Feb 2012 11:51:10 -0700
Subject: x86/PCI: use host bridge _CRS info on MSI MS-7253
From: Jonathan Nieder <[email protected]>
commit 8411371709610c826bf65684f886bfdfb5780ca1 upstream.
In the spirit of commit 29cf7a30f8a0 ("x86/PCI: use host bridge _CRS
info on ASUS M2V-MX SE"), this DMI quirk turns on "pci_use_crs" by
default on a board that needs it.
This fixes boot failures and oopses introduced in 3e3da00c01d0
("x86/pci: AMD one chain system to use pci read out res"). The quirk
is quite targetted (to a specific board and BIOS version) for two
reasons:
(1) to emphasize that this method of tackling the problem one quirk
at a time is a little insane
(2) to give BIOS vendors an opportunity to use simpler tables and
allow us to return to generic behavior (whatever that happens to
be) with a later BIOS update
In other words, I am not at all happy with having quirks like this.
But it is even worse for the kernel not to work out of the box on
these machines, so...
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=42619
Reported-by: Svante Signell <[email protected]>
Signed-off-by: Jonathan Nieder <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/x86/pci/acpi.c | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -54,6 +54,17 @@ static const struct dmi_system_id pci_us
DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
},
},
+ /* https://bugzilla.kernel.org/show_bug.cgi?id=42619 */
+ {
+ .callback = set_use_crs,
+ .ident = "MSI MS-7253",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL
CO., LTD"),
+ DMI_MATCH(DMI_BOARD_NAME, "MS-7253"),
+ DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies, LTD"),
+ DMI_MATCH(DMI_BIOS_VERSION, "V1.6"),
+ },
+ },
{}
};
Patches currently in stable-queue which might be from [email protected] are
queue-3.0/x86-pci-use-host-bridge-_crs-info-on-msi-ms-7253.patch
queue-3.0/x86-pci-do-not-tie-msi-ms-7253-use_crs-quirk-to-bios-version.patch
queue-3.0/acpica-fix-regression-in-fadt-revision-checks.patch
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