linux-kernel - Re: 53052feb6 (PNP: remove pnp_mem_flags() as an lvalue) breaks my ALSA intel8x0 sound card regression

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Date:	Mon, 2 Jun 2008 15:23:28 -0700
From:	"Avuton Olrich" <avuton@...il.com>
To:	"Bjorn Helgaas" <bjorn.helgaas@...com>
Cc:	"Rene Herman" <rene.herman@...access.nl>,
	"Rene Herman" <rene.herman@...il.com>,
	"Len Brown" <len.brown@...el.com>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: 53052feb6 (PNP: remove pnp_mem_flags() as an lvalue) breaks my ALSA intel8x0 sound card regression

On Mon, Jun 2, 2008 at 3:05 PM, Bjorn Helgaas <bjorn.helgaas@...com> wrote:
> On Monday 02 June 2008 01:06:12 pm Rene Herman wrote:
>> On 02-06-08 05:25, Avuton Olrich wrote:
>>
>> > On Sun, Jun 1, 2008 at 9:20 AM, Rene Herman <rene.herman@...access.nl> wrote:
>> >> On 01-06-08 16:42, Avuton Olrich wrote:
>> >>
>> >>> My intel8x0 card stops working due to a regression; bisection and
>> >>> information below.
>
> Thank you very much for doing all the work to bisect this and write
> up such a complete report.
>
> Can you try the patch below, please?
>
> PNP: mark resources that conflict with PCI devices "disabled"
>
> Both the PNP/PCI conflict detection quirk and the PNP system
> driver must use the same mechanism to mark resources as disabled.
>
> I think it's best to keep the resource and to keep the type bit
> (IORESOURCE_MEM, etc), so that we match the list from firmware
> as closely as possible.
>
> Signed-off-by: Bjorn Helgaas <bjorn.helgaas@...com>
>
> Index: work11/drivers/pnp/quirks.c
> ===================================================================
> --- work11.orig/drivers/pnp/quirks.c    2008-06-02 14:59:03.000000000 -0600
> +++ work11/drivers/pnp/quirks.c 2008-06-02 15:42:35.000000000 -0600
> @@ -286,7 +286,7 @@ static void quirk_system_pci_resources(s
>                                        pci_name(pdev), i,
>                                        (unsigned long long) pci_start,
>                                        (unsigned long long) pci_end);
> -                               res->flags = 0;
> +                               res->flags |= IORESOURCE_DISABLED;
>                        }
>                }
>        }
> Index: work11/drivers/pnp/system.c
> ===================================================================
> --- work11.orig/drivers/pnp/system.c    2008-06-02 14:58:56.000000000 -0600
> +++ work11/drivers/pnp/system.c 2008-06-02 15:44:36.000000000 -0600
> @@ -81,7 +81,7 @@ static void reserve_resources_of_dev(str
>        }
>
>        for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_MEM, i)); i++) {
> -               if (res->flags & IORESOURCE_UNSET)
> +               if (res->flags & IORESOURCE_DISABLED)
>                        continue;
>
>                reserve_range(dev, res->start, res->end, 0);
>

Sweet! That works, thanks for the quick fix. Feel free to add me as Tested-by:.
-- 
avuton
--
 "I've got a fever. And the only prescription is more cowbell." --
Christopher Walken
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