linux-kernel - Re: [PATCH][resend] fix IDE legacy mode resources

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 24 Aug 2007 09:14:42 -0700
From:	Greg KH <greg@...ah.com>
To:	Yoichi Yuasa <yoichi_yuasa@...peaks.co.jp>
Cc:	Jeff Garzik <jeff@...zik.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org, Martin Michlmayr <tbm@...ius.com>
Subject: Re: [PATCH][resend] fix IDE legacy mode resources

On Fri, Aug 24, 2007 at 11:55:59AM +0900, Yoichi Yuasa wrote:
> Hi,
> 
> I got the following error on MIPS Cobalt.
> 
> PCI: Unable to reserve I/O region #1:8@...001f0 for device 0000:00:09.1
> pata_via 0000:00:09.1: failed to request/iomap BARs for port 0 (errno=-16)
> PCI: Unable to reserve I/O region #3:8@...00170 for device 0000:00:09.1
> pata_via 0000:00:09.1: failed to request/iomap BARs for port 1 (errno=-16)
> pata_via 0000:00:09.1: no available native port
> 
> The legacy mode IDE resources set the following order. 
> 
> pci_setup_device()
>     Legacy mode ATA controllers have fixed addresses.
>     IDE resources: 0x1F0-0x1F7, 0x3F6, 0x170-0x177, 0x376
>     |
>     V
> pcibios_fixup_bus()
>     MIPS Cobalt PCI bus regions have the -0x10000000 offset from PCI resources.
>     pcibios_fixup_bus() fix PCI bus regions.
>     0x1F0 - 0x10000000 = 0xF00001F0
>     |
>     V
> ata_pci_init_one()
>     PCI: Unable to reserve I/O region #1:8@...001f0 for device 0000:00:09.1
> 
> In some architectures, PCI bus regions have the offset from PCI resources.
> For this reason, pci_setup_device() should set PCI bus regions to dev->resource[]. 

I thought this patch was rejected in the past as it broke other
machines.

thanks,

greg k-h
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/