linux-kernel - Re: [PATCH] [SCSI] LIBSAS: fix libsas link error issue

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Message-ID: <F15E99167DE14EAEAEB5B795257F11BE@usish.com.cn>
Date:	Thu, 16 Jun 2011 17:33:44 +0800
From:	"Jack Wang" <jack_wang@...sh.com>
To:	"'Xiangliang Yu'" <yuxiangl@...vell.com>,
	"'James Bottomley'" <James.Bottomley@...senPartnership.com>
Cc:	<yxlraid@...il.com>, <lucas.demarchi@...fusion.mobi>,
	<maciej.trela@...el.com>, <dan.j.williams@...el.com>,
	<linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	"'Jacky Feng'" <jfeng@...vell.com>
Subject: Re: [PATCH] [SCSI] LIBSAS: fix libsas link error issue

 
> >[Jack Wang]
> >No, I mean you when you set connection rate in OPEN Address frame, you
> >compare your HBA linkrate with the linkrate of the phy you want to open,
and
> >chose the minor.
> 
> I don't understand. What is the purpose of sas_ex_get_linkrate function?
[Jack Wang] 
As I understand, this function set the linkrate(pathways max/min linkrate)
of the child device(expander or end device) attached to parent expander
parent, through parent_phy, if there's wide port also handle that.

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