linux-kernel - Re: [PATCH 1/8] ide: always auto-tune PIO in legacy VLB host drivers

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Message-Id: <200803241250.02775.bzolnier@gmail.com>
Date:	Mon, 24 Mar 2008 12:50:02 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	7eggert@....de
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] ide: always auto-tune PIO in legacy VLB host drivers

On Monday 24 March 2008, Bodo Eggert wrote:
> Bartlomiej Zolnierkiewicz <bzolnier@...il.com> wrote:
> 
> |Subject: [PATCH 1/8] ide: always auto-tune PIO in legacy VLB host drivers
> 
> AFAIR this isn't safe for bus speeds above 33 MHz, is it?

It should be safe as VLB host drivers assume that bus speed is 50 MHz
(so the longest timings are used) if bus speed is not given by user
(using "idebus=" or "ide_core.vlb_clock=")?

Thanks,
Bart
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