linux-kernel - Re: Add Dell Studio 1557 to pci=nocrs blacklist

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Message-ID: <20120104183712.GB14966@elte.hu>
Date:	Wed, 4 Jan 2012 19:37:13 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Dave Jones <davej@...hat.com>, Bjorn Helgaas <bhelgaas@...gle.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>, x86@...nel.org
Subject: Re: Add Dell Studio 1557 to pci=nocrs blacklist


* Dave Jones <davej@...hat.com> wrote:

> The Dell Studio 1557 also doesn't suspend correctly when CRS is enabled.
> Details at https://bugzilla.redhat.com/show_bug.cgi?id=769657
> 
> Reported-by: Gregory S. Hoerner <ghoerner@...nscendingthought.com>
> Signed-off-by: Dave Jones <davej@...hat.com>
>  
> --- linux-3.1.noarch/arch/x86/pci/acpi.c~	2012-01-04 11:19:36.783664477 -0500
> +++ linux-3.1.noarch/arch/x86/pci/acpi.c	2012-01-04 11:23:42.403666272 -0500
> @@ -75,6 +75,16 @@ static const struct dmi_system_id pci_us
>  	/* https://bugzilla.redhat.com/show_bug.cgi?id=769657 */
>  	{
>  		.callback = set_nouse_crs,
> +		.ident = "Dell Studio 1557",
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "Dell Inc."),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1557");
> +			DMI_MATCH(DMI_BIOS_VERSION, "A09"),

Btw., should we perhaps match on all things 'Studio*'? For these 
two systems i'm sure there's 20 other models we have not covered 
yet ...

Thanks,

	Ingo
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