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x86/PCI: use host bridge _CRS info on MSI MS-7253
commit8411371709upstream. In the spirit of commit29cf7a30f8("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 in3e3da00c01("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 <svante.signell@telia.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman
parent
d13149924c
commit
06bcd9526c
@@ -54,6 +54,17 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = {
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DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
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},
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},
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/* https://bugzilla.kernel.org/show_bug.cgi?id=42619 */
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{
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.callback = set_use_crs,
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.ident = "MSI MS-7253",
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.matches = {
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DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
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DMI_MATCH(DMI_BOARD_NAME, "MS-7253"),
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DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies, LTD"),
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DMI_MATCH(DMI_BIOS_VERSION, "V1.6"),
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},
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},
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{}
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};
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