Messages in this thread | | | Date | Tue, 15 Jan 2013 14:31:21 +0530 | Subject | Re: [PATCH] dw_dmac: don't exceed AHB master number in dwc_get_data_width | From | Viresh Kumar <> |
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On Tue, Jan 15, 2013 at 12:35 PM, Andy Shevchenko <andy.shevchenko@gmail.com> 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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