linux-kernel - Re: [loongson-PATCH-v1 24/27] fixup for FUJITSU disk

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Message-ID: <4A1AEEBC.2080108@ru.mvista.com>
Date:	Mon, 25 May 2009 23:17:16 +0400
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	"Martin K. Petersen" <martin.petersen@...cle.com>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	胡洪兵 <huhb@...ote.com>, yanh@...ote.com,
	wuzhangjin@...il.com, linux-mips@...ux-mips.org,
	Ralf Baechle <ralf@...ux-mips.org>,
	IDE/ATA development list <linux-ide@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	Philippe Vachon <philippe@...pig.ca>,
	Zhang Le <r0bertz@...too.org>,
	Zhang Fuxin <zhangfx@...ote.com>,
	Arnaud Patard <apatard@...driva.com>,
	loongson-dev@...glegroups.com, gnewsense-dev@...gnu.org,
	Nicholas Mc Guire <hofrat@...r.at>,
	Liu Junliang <liujl@...ote.com>,
	Erwan Lerale <erwan@...scow.com>
Subject: Re: [loongson-PATCH-v1 24/27] fixup for FUJITSU disk

Hello.

Martin K. Petersen wrote:

>>>Could you please explain the issue with platform specific code a bit
>>>more?

>>>Is it related to a cable detection by any chance?

> Sergei>    I guess it's rdmsr()/wrmsr()...

> Those are only used when the driver is explicitly loaded with
> use_msr=1.  The default is to use PCI config space/VSA.

    But you need them defined for the driver to build...

MBR, Sergei
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