Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason()

From	Peter Ujfalusi <peter.ujfalusi@ti.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason()
Date	2015-11-20 13:40 +0100
Message-ID	<qwT8T-7d6-31@gated-at.bofh.it> (permalink)
References	<pun5D-5jv-3@gated-at.bofh.it> <qwvzB-by-43@gated-at.bofh.it> <qwR75-5WC-43@gated-at.bofh.it> <qwRA6-67v-25@gated-at.bofh.it> <qwSZc-79N-21@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 11/20/2015 02:24 PM, Andy Shevchenko wrote:
> On Fri, Nov 20, 2015 at 12:58 PM, Arnd Bergmann <arnd@arndb.de> wrote:
>> On Friday 20 November 2015 12:25:06 Peter Ujfalusi wrote:
>>> On 11/19/2015 01:25 PM, Arnd Bergmann wrote:
> 
>> Another idea would be to remove the filter function from struct dma_chan_map
>> and pass the map through platform data
> 
> Why not unified device properties?

Is this some Windows/ACPI feature? Quick search gives mostly MSDN and
Windows10 related links.

We only need dma_chan_map for platforms which has not been converted to DT and
still using legacy boot. Or platforms which can still boot in legacy mode. In
DT/ACPI mode we do not need this map at all.

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Thread

Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason() Arnd Bergmann <arnd@arndb.de> - 2015-11-18 15:30 +0100
  Re: [PATCH 02/13] dmaengine: Introduce  dma_request_slave_channel_compat_reason() Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-11-18 15:50 +0100
    Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason() Arnd Bergmann <arnd@arndb.de> - 2015-11-18 16:10 +0100
      Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason() Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-11-18 16:50 +0100
        Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason() Arnd Bergmann <arnd@arndb.de> - 2015-11-18 17:00 +0100
          Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason() Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-11-18 17:10 +0100
          Re: [PATCH 02/13] dmaengine: Introduce  dma_request_slave_channel_compat_reason() Vinod Koul <vinod.koul@intel.com> - 2015-11-18 17:10 +0100
      Re: [PATCH 02/13] dmaengine: Introduce  dma_request_slave_channel_compat_reason() Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-11-19 11:40 +0100
        Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason() Arnd Bergmann <arnd@arndb.de> - 2015-11-19 12:30 +0100
          Re: [PATCH 02/13] dmaengine: Introduce  dma_request_slave_channel_compat_reason() Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-11-20 11:30 +0100
            Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason() Arnd Bergmann <arnd@arndb.de> - 2015-11-20 12:00 +0100
              Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason() Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-11-20 13:30 +0100
                Re: [PATCH 02/13] dmaengine: Introduce  dma_request_slave_channel_compat_reason() Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-11-20 13:40 +0100
                Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason() Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-11-20 15:10 +0100
              Re: [PATCH 02/13] dmaengine: Introduce  dma_request_slave_channel_compat_reason() Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-11-20 14:00 +0100
                Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason() Arnd Bergmann <arnd@arndb.de> - 2015-11-20 14:50 +0100

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