linux-kernel - Re: [PATCH] dw_dmac: don't exceed AHB master number in dwc_get_data

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Message-ID: <CAKohpomeMb3FYzRTXgWFk8DRN+spgogbW88evM6Xe9xZ9yJ2_w@mail.gmail.com>
Date:	Tue, 15 Jan 2013 14:39:33 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Andy Shevchenko <andy.shevchenko@...il.com>
Cc:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Vinod Koul <vinod.koul@...el.com>,
	linux-kernel@...r.kernel.org, spear-devel <spear-devel@...t.st.com>
Subject: Re: [PATCH] dw_dmac: don't exceed AHB master number in dwc_get_data_width

On 15 January 2013 14:38, Andy Shevchenko <andy.shevchenko@...il.com> wrote:
> You forgot the mem2mem type of transfers where we have no information
> about masters except default settings. Otherwise there is the case of
> custom slave config absence when we supply only request line via
> slave_id.

Okay, but even for mem2mem you have just got the right bus width by
selecting same master. But are you programming same masters in control
register? I can't see that :(
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