linux-kernel - Re: [PATCH] ahci: enable pmp but connected to HDD issue fixed

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Message-ID: <20110614065213.GD8141@htj.dyndns.org>
Date:	Tue, 14 Jun 2011 08:52:13 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Yuan-Hsin Chen <yuanlmm@...il.com>
Cc:	jgarzik@...ox.com, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Yuan-Hsin Chen <yhchen@...aday-tech.com>
Subject: Re: [PATCH] ahci: enable pmp but connected to HDD issue fixed

On Tue, Jun 14, 2011 at 01:48:24PM +0800, Yuan-Hsin Chen wrote:
> From: Yuan-Hsin Chen <yhchen@...aday-tech.com>
> 
> When enabling both port multiplier and platform ahci sata, ahci
> times out while connecting to HDD directly. This is because soft
> reset fails with IPMS set. Do soft reset again to port 0.
> 
> The soft reset sequence is copied from ahci.c.

This is the same one as ahci_sb600_softreset(), right?  Please don't
copy & paste like that.  Rename and ahci_sb600_softreset() to
libahci.c, create a separate ata_port_operations for it and use the
ops for the affected controllers.

Thanks.

-- 
tejun
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