linux-kernel - Re: pci_fixup_video change blows up on sparc64

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Date:	Fri, 20 Oct 2006 12:31:40 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eiichiro.oiwa.nm@...achi.com
Cc:	greg@...ah.com, alan@...hat.com, jesse.barnes@...el.com,
	linux-kernel@...r.kernel.org, steven.c.cook@...el.com,
	bjorn.helgaas@...com, tony.luck@...el.com
Subject: Re: pci_fixup_video change blows up on sparc64

From: <eiichiro.oiwa.nm@...achi.com>
Date: Fri, 20 Oct 2006 23:20:21 +0900

> +			/*
> +			 * From information provided by 
> +			 * "David Miller" <davem@...emloft.net>
> +			 * The bridge control register is valid for PCI header
> +			 * type BRIDGE, or CARDBUS. Host to PCI controllers use
> +			 * PCI header type NORMAL.
> +			 */
> +			pci_read_config_byte(bridge, PCI_HEADER_TYPE,
> +						&config_header);

Use the software copy in "bridge->hdr_type", it's already been read
for you by the PCI device probing layer.
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