linux-kernel - Re: [PATCH v4 08/11] dmaengine: dw: Add dummy device

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Message-ID: <20200529121925.GM1634618@smile.fi.intel.com>
Date:   Fri, 29 May 2020 15:19:25 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     Vinod Koul <vkoul@...nel.org>, Viresh Kumar <vireshk@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Arnd Bergmann <arnd@...db.de>,
        Rob Herring <robh+dt@...nel.org>, linux-mips@...r.kernel.org,
        devicetree@...r.kernel.org, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 08/11] dmaengine: dw: Add dummy device_caps callback

On Fri, May 29, 2020 at 01:23:58AM +0300, Serge Semin wrote:
> Since some DW DMA controllers (like one installed on Baikal-T1 SoC) may
> have non-uniform DMA capabilities per device channels, let's add
> the DW DMA specific device_caps callback to expose that specifics up to
> the DMA consumer. It's a dummy function for now. We'll fill it in with
> capabilities overrides in the next commits.

This one I leave to Vinod to decide what to do.
It is not harmful per se, but I consider better if it has a user already.
Thus, no tag, sorry.

-- 
With Best Regards,
Andy Shevchenko