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Create a blacklist for pci=nocrs

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Add Dell Studio 1536 to it.
This commit is contained in:
Dave Jones 2011-12-29 13:10:57 -05:00
parent 4ca5087fa3
commit 2da15d9521
2 changed files with 45 additions and 1 deletions
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10
kernel.spec
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@ -54,7 +54,7 @@ Summary: The Linux kernel
# For non-released -rc kernels, this will be appended after the rcX and
# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
#
%global baserelease 1
%global baserelease 2
%global fedora_build %{baserelease}
# base_sublevel is the kernel version we're starting with and patching
@ -826,6 +826,8 @@ Patch21220: mac80211_offchannel_rework_revert.patch
Patch21225: pci-Rework-ASPM-disable-code.patch
Patch21226: pci-crs-blacklist.patch
#rhbz #757839
Patch21230: net-sky2-88e8059-fix-link-speed.patch
@ -1553,6 +1555,8 @@ ApplyPatch mac80211_offchannel_rework_revert.patch
ApplyPatch pci-Rework-ASPM-disable-code.patch
ApplyPatch pci-crs-blacklist.patch
#rhbz #757839
ApplyPatch net-sky2-88e8059-fix-link-speed.patch
@ -2348,6 +2352,10 @@ fi
# and build.
%changelog
* Thu Dec 29 2011 Dave Jones <davej@redhat.com> 3.1.6-2
- Create a blacklist for pci=nocrs
Add Dell Studio 1536 to it.
* Fri Dec 23 2011 Dennis Gilmore <dennis@ausil.us>
- build imx highbank and kirkwood kernels for arm

36
pci-crs-blacklist.patch Normal file
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@ -0,0 +1,36 @@
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 404f21a..2704a9c 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -24,6 +24,12 @@ static int __init set_use_crs(const struct dmi_system_id *id)
return 0;
}
+static int __init set_nouse_crs(const struct dmi_system_id *id)
+{
+ pci_use_crs = false;
+ return 0;
+}
+
static const struct dmi_system_id pci_use_crs_table[] __initconst = {
/* http://bugzilla.kernel.org/show_bug.cgi?id=14183 */
{
@@ -54,6 +60,18 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = {
DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
},
},
+
+ /* Now for the blacklist.. */
+
+ /* https://bugzilla.redhat.com/show_bug.cgi?id=770308 */
+ {
+ .callback = set_nouse_crs,
+ .ident = "Dell Studio 1536",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_BOARD_NAME, "0M273C"),
+ },
+ },
{}
};