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Re: [PATCH v3 03/11] dmaengine: dw: set polarity of handshake interface

From Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 03/11] dmaengine: dw: set polarity of handshake interface
Date 2016-05-06 12:50 +0200
Message-ID <rvLuy-3mA-13@gated-at.bofh.it> (permalink)
References <rsy0O-22y-3@gated-at.bofh.it> <rsy0P-22y-23@gated-at.bofh.it> <rvvJ9-4je-19@gated-at.bofh.it>
Organization Intel Finland Oy

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On Thu, 2016-05-05 at 18:54 +0100, Bryan O'Donoghue wrote:
> On Wed, 2016-04-27 at 16:48 +0300, Andy Shevchenko wrote:
> > 
> > +       bool                    polarity;
> So this variable is not very intuitively named.

There is a help above. This is a property of the Synopsys DesignWare DMA
engine. Anyone familiar with datasheet easily understands this.

> 
> You end up setting somepointer->polarity = true; in a later patch. 
> 
> Since you're respining a V4 I'd suggest a name that describes a little
> bit better than polarity. Setting polarity = true is a little bit
> liked
> being asked "you you like ice-cream or apple pie" and then saying "yes
> please".

It's about handshake interface polarity, so, what about hs_polarity?

-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy

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Re: [PATCH v3 03/11] dmaengine: dw: set polarity of handshake  interface Bryan O'Donoghue <pure.logic@nexus-software.ie> - 2016-05-05 20:00 +0200
  Re: [PATCH v3 03/11] dmaengine: dw: set polarity of handshake  interface Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-05-06 12:50 +0200
    Re: [PATCH v3 03/11] dmaengine: dw: set polarity of handshake  interface Bryan O'Donoghue <pure.logic@nexus-software.ie> - 2016-05-06 13:20 +0200

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