From: "Martin K. Petersen" <mkp@mkp.net>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-ide@vger.kernel.org, info-linux@geode.amd.com
Subject: Re: [PATCH 1/1] pata_cs5536: ATA driver for Geode companion chip
Date: Wed, 03 Oct 2007 14:45:12 -0400 [thread overview]
Message-ID: <yq1tzp8vxzb.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <20071003192232.558ec72b@the-village.bc.nu> (Alan Cox's message of "Wed\, 3 Oct 2007 19\:22\:32 +0100")
>>>>> "Alan" == Alan Cox <alan@lxorguk.ukuu.org.uk> writes:
Alan> The older AMD ex NS ex Cyrix chipsets mishandle 64K DMA blocks -
Alan> is that the case for the CS5536 or not - does it consider a PRD
Alan> entry with zero length as 64K or 0 bytes
The databook says: "The size must be in multiples of 1 WORD (2 bytes)
or zero (which means a 64 KB transfer)."
>> + if ((cfg & IDE_CFG_CHANEN) == 0) { + printk(KERN_ERR "CS5536:
>> disabled by BIOS\n");
Alan> To save Jeff whining - he'll want that to be DRV_NAME or similar
Alan> and to call it pata_cs5536
Ok.
--
Martin K. Petersen http://mkp.net/
next prev parent reply other threads:[~2007-10-03 18:45 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-03 17:28 [PATCH 1/1] pata_cs5536: ATA driver for Geode companion chip Martin K. Petersen
2007-10-03 18:22 ` Alan Cox
2007-10-03 18:20 ` Jeff Garzik
2007-10-03 18:45 ` Martin K. Petersen [this message]
2007-10-03 18:51 ` Alan Cox
2007-10-03 20:31 ` Jordan Crouse
2007-10-03 20:59 ` Alan Cox
2007-10-03 21:18 ` Jordan Crouse
2007-10-03 22:32 ` Martin K. Petersen
2007-10-03 22:56 ` Jeff Garzik
2007-10-10 1:25 ` [PATCH 1/1] " Jeff Garzik
2007-10-10 4:33 ` Martin K. Petersen
2007-10-10 15:20 ` Jordan Crouse
2007-10-10 17:39 ` Andrew Paprocki
2007-10-11 7:22 ` Andrew Paprocki
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