Re: [PATCH] dw_dmac: don't exceed AHB master number in dwc_get_data_width

[Viresh Kumar]

On Tue, Jan 15, 2013 at 12:35 PM, Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
>> The details of the patch are fine, but i didn't get how do you get
>> master 1 selected
>> on a system where you have only 1 master?
>
> min_t(..., nr_masters - 1, m) defines this. m is returned value with
> default settings, let's say 1. In that case if nr_masters is also 1
> the min_t(..., 1-1, 1) returns 0.
>
> The value of nr_masters itself is come from autoconfig or platform data.

:)
You didn't get me. How this code would work is pretty easy to understand.
What i wanted to know is, the master information is coming from slave drivers
and they must select master zero always. How would master 1 be selected ever
in this driver.
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