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From: Rob Herring <robh@kernel.org>
To: Faiz Abbas <faiz_abbas@ti.com>
Cc: Tony Lindgren <tony@atomide.com>,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	linux-mmc@vger.kernel.org, linux-omap@vger.kernel.org,
	ulf.hansson@linaro.org, mark.rutland@arm.com,
	adrian.hunter@intel.com, kishon@ti.com, zhang.chunyan@linaro.org
Subject: Re: [PATCH v2 3/8] dt-bindings: sdhci-omap: Add properties for using external dma
Date: Mon, 18 Feb 2019 14:12:40 -0600	[thread overview]
Message-ID: <20190218201240.GA14067@bogus> (raw)
In-Reply-To: <2aa0f7e4-c880-ee88-2e88-dc2c3187f0c9@ti.com>

On Mon, Feb 18, 2019 at 07:11:32PM +0530, Faiz Abbas wrote:
> Hi Tony,
> 
> On 16/02/19 1:37 AM, Tony Lindgren wrote:
> > * Faiz Abbas <faiz_abbas@ti.com> [190215 19:18]:
> >> From: Chunyan Zhang <zhang.chunyan@linaro.org>
> >>
> >> sdhci-omap can support both external dma controller via dmaengine
> >> framework as well as ADMA which standard SD host controller
> >> provides.
> > 
> > Care to describe here also how to configure things for ADMA and
> > instead of DMA? Just leave out dmas property?
> > 
> 
> That's correct. If dmas property is populated, then use external DMA.
> Otherwise use ADMA/SDMA depending on what you read from the CAPS register.

Then the properties should be optional.

Rob

  parent reply	other threads:[~2019-02-18 20:12 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-15 19:20 [PATCH v2 0/8] Port am335 and am437 devices to sdhci-omap Faiz Abbas
2019-02-15 19:20 ` Faiz Abbas
2019-02-15 19:20 ` [PATCH v2 1/8] mmc: sdhci: Get rid of finish_tasklet Faiz Abbas
2019-02-15 19:20   ` Faiz Abbas
2019-02-25  8:17   ` Adrian Hunter
2019-03-06 10:00     ` Faiz Abbas
2019-03-06 10:00       ` Faiz Abbas
2019-03-08 13:36       ` Adrian Hunter
2019-03-12 17:30         ` Rizvi, Mohammad Faiz Abbas
2019-03-12 17:30           ` Rizvi, Mohammad Faiz Abbas
2019-03-14 11:15           ` Grygorii Strashko
2019-03-14 11:15             ` Grygorii Strashko
2019-03-14 11:41             ` Faiz Abbas
2019-03-14 11:41               ` Faiz Abbas
2019-03-14 11:40           ` Arnd Bergmann
2019-03-18  9:33   ` Ulf Hansson
2019-03-26  7:33     ` Adrian Hunter
2019-04-02  7:59       ` Faiz Abbas
2019-04-02 13:12         ` Adrian Hunter
2019-02-15 19:20 ` [PATCH v2 2/8] mmc: sdhci: add support for using external DMA devices Faiz Abbas
2019-02-15 19:20   ` Faiz Abbas
2019-02-15 19:20 ` [PATCH v2 3/8] dt-bindings: sdhci-omap: Add properties for using external dma Faiz Abbas
2019-02-15 19:20   ` Faiz Abbas
2019-02-15 20:07   ` Tony Lindgren
2019-02-18 13:41     ` Faiz Abbas
2019-02-18 13:41       ` Faiz Abbas
2019-02-18 16:20       ` Tony Lindgren
2019-02-18 16:28         ` Tony Lindgren
2019-02-18 20:12       ` Rob Herring [this message]
2019-02-19 13:32         ` Faiz Abbas
2019-02-19 13:32           ` Faiz Abbas
2019-02-15 19:20 ` [PATCH v2 4/8] mmc: sdhci-omap: Add " Faiz Abbas
2019-02-15 19:20   ` Faiz Abbas
2019-02-15 19:20 ` [PATCH v2 5/8] mmc: sdhci: Add quirk for disabling DTO during erase command Faiz Abbas
2019-02-15 19:20   ` Faiz Abbas
2019-02-15 19:20 ` [PATCH v2 6/8] mmc: sdhci-omap: Add DISABLE_DTO_FOR_ERASE Quirk Faiz Abbas
2019-02-15 19:20   ` Faiz Abbas
2019-02-15 19:20 ` [PATCH v2 7/8] dt-bindings: sdhci-omap: Add am335x and am437x specific bindings Faiz Abbas
2019-02-15 19:20   ` Faiz Abbas
2019-02-15 19:20 ` [PATCH v2 8/8] mmc: sdhci-omap: Add am335x and am437x specific compatibles Faiz Abbas
2019-02-15 19:20   ` Faiz Abbas
2019-02-15 20:02 ` [PATCH v2 0/8] Port am335 and am437 devices to sdhci-omap Tony Lindgren
2019-02-18 13:49   ` Faiz Abbas
2019-02-18 13:49     ` Faiz Abbas
2019-02-18 16:25     ` Tony Lindgren

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