From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Mathieu Chouquet-Stringer <mchouque@free.fr>
Cc: linux-ide@vger.kernel.org, jgarzik@pobox.com, Mark Lord <lkml@rtr.ca>
Subject: Re: libata-core and pccard CF card reader
Date: Mon, 06 Feb 2006 22:50:09 +0000 [thread overview]
Message-ID: <1139266210.10437.56.camel@localhost.localdomain> (raw)
In-Reply-To: <20060206221923.GA12063@localhost>
On Llu, 2006-02-06 at 23:19 +0100, Mathieu Chouquet-Stringer wrote:
> ata id isn't ata, 0x848a
848A is CFA from memory. Probably it should be tested for and treated
either as disk, or quite possibly a new class.
> ATA documents, I found it's in fact a known ID and is defined as:
> "CompactFlash™Association (CFA) feature set" (found in a bunch of
> different working drafts of ATA-x).
Yes it has its own spec which is ATA plus other bits.
> - if it isn't, should we OR it with something like
> || dev->id[0] == 0x848a
I think you want to add an "is_cfa" type macro and check it too
> - or should we just test bit 7 of word 0 ("removable media device")?
> - or did I just open a new can of worms that will lead to adding a new
> subclass of device (CFA feature set) in ata_dev_identify?
We know from dev->id that it is CFA so we can probably just call it a
disk
next prev parent reply other threads:[~2006-02-06 22:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-06 22:19 libata-core and pccard CF card reader Mathieu Chouquet-Stringer
2006-02-06 22:50 ` Alan Cox [this message]
2006-02-07 21:17 ` Mathieu Chouquet-Stringer
-- strict thread matches above, loose matches on Subject: below --
2006-02-01 10:31 Mathieu Chouquet-Stringer
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