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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org,
	linux-ide@vger.kernel.org, jeff@garzik.org
Subject: Re: [PATCH] pata_hpt3x3: Major reworking and testing
Date: Tue, 3 Jul 2007 22:12:01 +0200	[thread overview]
Message-ID: <200707032212.01619.bzolnier@gmail.com> (raw)
In-Reply-To: <20070703185652.0b807fcc@the-village.bc.nu>

On Tuesday 03 July 2007, Alan Cox wrote:
> > The new improved driver is not really better than the old one because
> > the old one is broken. :)
> > 
> > Old driver does identical configuration when it comes to PIO modes.
> 
> No the old driver doesn't even do that. It starts up. It spuriously
> adjusts some non writable PCI BAR registers, prints a message about
> resources being in use already then exits.

OK, thanks for clarifying this.

> I had a poke around the setup. As far as I can observe we break even if
> the ROM timing values are used as is. I suspect documentation or a good
> deal of luck is needed.

Yeah.

BTW the original Andre's driver had some references to misc configuration
registers at offsets 0x10 and 0x11 of PCI BAR4.

http://www.linuxhq.com/kernel/v2.3/10/drivers/block/hpt343.c

Does anybody have DOS driver for HPT343?  Google doesn't have it...

Thanks,
Bart

  reply	other threads:[~2007-07-03 20:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-03 15:10 Alan Cox
2007-07-03 15:40 ` Jeff Garzik
2007-07-03 15:49   ` Alan Cox
2007-07-03 17:38 ` Bartlomiej Zolnierkiewicz
2007-07-03 17:56   ` Alan Cox
2007-07-03 20:12     ` Bartlomiej Zolnierkiewicz [this message]
2007-07-03 20:41       ` Sergei Shtylyov
2007-07-03 22:44         ` Bartlomiej Zolnierkiewicz
2007-07-04 14:28           ` Sergei Shtylyov

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