From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Vinod Koul <vkoul@kernel.org>, Viresh Kumar <vireshk@kernel.org>,
Dan Williams <dan.j.williams@intel.com>,
Serge Semin <fancer.lancer@gmail.com>,
Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Arnd Bergmann <arnd@arndb.de>, Rob Herring <robh+dt@kernel.org>,
linux-mips@vger.kernel.org, devicetree@vger.kernel.org,
dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 08/11] dmaengine: dw: Add dummy device_caps callback
Date: Fri, 29 May 2020 15:19:25 +0300 [thread overview]
Message-ID: <20200529121925.GM1634618@smile.fi.intel.com> (raw)
In-Reply-To: <20200528222401.26941-9-Sergey.Semin@baikalelectronics.ru>
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
next prev parent reply other threads:[~2020-05-29 12:19 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-28 22:23 [PATCH v4 00/11] dmaengine: dw: Take Baikal-T1 SoC DW DMAC peculiarities into account Serge Semin
2020-05-28 22:23 ` [PATCH v4 01/11] dt-bindings: dma: dw: Convert DW DMAC to DT binding Serge Semin
2020-05-28 22:23 ` [PATCH v4 02/11] dt-bindings: dma: dw: Add max burst transaction length property Serge Semin
2020-05-28 22:23 ` [PATCH v4 03/11] dmaengine: Introduce min burst length capability Serge Semin
2020-05-29 12:07 ` Andy Shevchenko
2020-05-28 22:23 ` [PATCH v4 04/11] dmaengine: Introduce max SG list entries capability Serge Semin
2020-05-28 22:23 ` [PATCH v4 05/11] dmaengine: Introduce DMA-device device_caps callback Serge Semin
2020-05-29 12:12 ` Andy Shevchenko
2020-05-29 14:07 ` Serge Semin
2020-05-28 22:23 ` [PATCH v4 06/11] dmaengine: dw: Take HC_LLP flag into account for noLLP auto-config Serge Semin
2020-05-28 22:23 ` [PATCH v4 07/11] dmaengine: dw: Set DMA device max segment size parameter Serge Semin
2020-05-29 12:18 ` Andy Shevchenko
2020-05-28 22:23 ` [PATCH v4 08/11] dmaengine: dw: Add dummy device_caps callback Serge Semin
2020-05-29 12:19 ` Andy Shevchenko [this message]
2020-05-28 22:23 ` [PATCH v4 09/11] dmaengine: dw: Initialize min_burst capability Serge Semin
2020-05-29 10:25 ` Andy Shevchenko
2020-05-29 10:29 ` Andy Shevchenko
2020-05-29 10:41 ` Serge Semin
2020-05-29 10:50 ` Andy Shevchenko
2020-05-29 10:51 ` Serge Semin
2020-05-28 22:24 ` [PATCH v4 10/11] dmaengine: dw: Introduce max burst length hw config Serge Semin
2020-05-29 10:27 ` Andy Shevchenko
2020-05-28 22:24 ` [PATCH v4 11/11] dmaengine: dw: Initialize max_sg_nents capability Serge Semin
2020-05-29 10:27 ` Andy Shevchenko
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