From: Vojtech Pavlik <vojtech@suse.cz>
To: Pozsar Balazs <pozsy@sch.bme.hu>, linux-kernel@vger.kernel.org
Subject: Re: [patch] VIA 4.2x driver for 2.2 kernels (fwd)
Date: Fri, 23 Feb 2001 11:50:20 +0100 [thread overview]
Message-ID: <20010223115020.A2622@suse.cz> (raw)
In-Reply-To: <20010222122055.A1278@iname.com>
In-Reply-To: <20010222122055.A1278@iname.com>; from rbrito@iname.com on Thu, Feb 22, 2001 at 12:20:55PM -0300
On Thu, Feb 22, 2001 at 12:20:55PM -0300, Rogerio Brito wrote:
> This message was apparently intended to be sent to the list.
>
>
> []s, Roger...
>
> ----- Forwarded message from Pozsar Balazs <pozsy@sch.bme.hu> -----
>
> From: Pozsar Balazs <pozsy@sch.bme.hu>
> To: Rogerio Brito <rbrito@iname.com>
> Subject: Re: [patch] VIA 4.2x driver for 2.2 kernels
> Date: Thu, 22 Feb 2001 01:04:27 +0100 (MET)
> Message-ID: <Pine.GSO.4.30.0102220103290.8797-100000@balu>
>
>
> The kernel doesn't seem to set 32bit io transfers by default. Is it
> dangerous or unrecommended to set it with hdparm?
It does:
via82cxxx.c, line 536: hwif->drives[i].io_32bit = 1;
Actually this seems to be required for correct operation in PIO modes.
Anyway, it doesn't have an effect if DMA/UDMA modes are used -
BusMastering is always 32bit.
--
Vojtech Pavlik
SuSE Labs
prev parent reply other threads:[~2001-02-23 9:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-22 15:20 [patch] VIA 4.2x driver for 2.2 kernels (fwd) Rogerio Brito
2001-02-23 10:50 ` Vojtech Pavlik [this message]
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