linux-kernel - Re: [PATCH 04/18] dmaengine/amba-pl08x: Remove redundant comment and rewrite original

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Message-ID: <CAOh2x=kqa0GxRH9o=8faPhuyyLcqxH8+AOowBTK_gMaDgJyeVA@mail.gmail.com>
Date:	Fri, 29 Jul 2011 08:47:06 -0700
From:	viresh kumar <viresh.linux@...il.com>
To:	"Koul, Vinod" <vinod.koul@...el.com>, linus.walleij@...aro.org,
	linux@....linux.org.uk
Cc:	Viresh Kumar <viresh.kumar@...com>, dan.j.williams@...el.com,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	armando.visconti@...com, shiraz.hashim@...com, vipin.kumar@...com,
	rajeev-dlh.kumar@...com, deepak.sikri@...com,
	vipulkumar.samar@...com, amit.virdi@...com, pratyush.anand@...com,
	bhupesh.sharma@...com
Subject: Re: [PATCH 04/18] dmaengine/amba-pl08x: Remove redundant comment and
 rewrite original

On 7/29/11, Koul, Vinod <vinod.koul@...el.com> wrote:
> On Fri, 2011-07-29 at 16:19 +0530, Viresh Kumar wrote:
>>  /*
>> - * Autoselect a master bus to use for the transfer this prefers the
>> - * destination bus if both available if fixed address on one bus the
>> - * other will be chosen
>> + * Autoselect a master bus to use for the transfer
>> + * - prefers the destination bus if both available
>> + * - if fixed address on one bus the other will be chosen
> Not sure I get it, English is not my first language :)

Nor mine either. :)

Will give some more explanation.

But before that i wanted to know the exact purpose of this
master-slave concept here.
Probably it is for choosing the victim for reduction of width, in case
src and dest addresses
are misaligned to each other.
@Russell and Linus: Is this correct?

--
viresh
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