linux-kernel - Re: [PATCH 2/3] mg_disk: fix dependency on libata

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Message-ID: <49F3DE55.8070302@kernel.org>
Date:	Sun, 26 Apr 2009 13:08:53 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Jeff Garzik <jeff@...zik.org>
CC:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	unsik Kim <donari75@...il.com>, linux-kernel@...r.kernel.org,
	Linux IDE mailing list <linux-ide@...r.kernel.org>
Subject: Re: [PATCH 2/3] mg_disk: fix dependency on libata

Jeff Garzik wrote:
> Actually...  NVMHCI[1] uses the same style of id string extraction, even
> though its command set is wholly new and unrelated to ATA.  I copied
> into drivers/block/nvmhci.c[2] id_string, id_c_string and another
> useful, generic routine: ata_wait_register.
>
> So, once nvmhci goes upstream, that will be a third copy...  nvmhci
> still has rough edges, but it's mainly waiting on hardware "it works"
> verification at this point.

For two copies, copying seems to be the right way to go.  For many
more copies, making a library function is.  Three is a difficult
number.  Maybe just make these inline functions for now?

Thanks.

-- 
tejun
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