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Re: [PATCH 2/2] TXx9: Add TX4939 ATA support (v2)

To: sshtylyov@ru.mvista.com
Subject: Re: [PATCH 2/2] TXx9: Add TX4939 ATA support (v2)
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Tue, 23 Sep 2008 00:16:02 +0900 (JST)
Cc: linux-mips@linux-mips.org, linux-ide@vger.kernel.org, bzolnier@gmail.com, ralf@linux-mips.org
In-reply-to: <48D7B365.6070305@ru.mvista.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <48D51B48.2090400@ru.mvista.com> <20080922.235608.106262139.anemo@mba.ocn.ne.jp> <48D7B365.6070305@ru.mvista.com>
Sender: linux-mips-bounce@linux-mips.org
On Mon, 22 Sep 2008 19:01:57 +0400, Sergei Shtylyov <sshtylyov@ru.mvista.com> 
wrote:
> >>  BTW, how about supporting IDE aboard RBTX4938, not worth the trouble?
> 
> > Yes, next plan.  It should be much simpler than the tx4939ide driver.
> 
>     I suspect {ide|pata}_platform could be able to cover it... though I got 
> muddled in the timing diagrams for the TX4938 external bus...

We need .set_pio_mode routine to get best PIO speed, but current
{ide|pata}_platform driver does not provide a hook for it (please
correct me if I was wrong).  So current code I have does not use
ide_platform...

---
Atsushi Nemoto

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