linux-kernel - Re: [PATCH 0/3] Add and enable DSP device on OMAPL138 LCDK board

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Message-ID: <8bd08406-3fd8-9742-c1b9-d3ec9712c4ee@ti.com>
Date:   Wed, 20 Sep 2017 20:44:39 +0530
From:   Sekhar Nori <nsekhar@...com>
To:     Suman Anna <s-anna@...com>, Kevin Hilman <khilman@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/3] Add and enable DSP device on OMAPL138 LCDK board

Hi Suman,

On Tuesday 19 September 2017 05:58 AM, Suman Anna wrote:
> Hi Sekhar,
> 
> The following series adds the DT node for the DSP device present on
> on DA850/OMAPL138 SoCs. The node is disabled in the base dts file, and
> enabled in the corresponding LCDK board file alongside the reserved
> CMA pool required by the DSP device. The DT bindings and driver
> adaptation were added to mainline in 4.14-rc1, and this series adds
> the remaining dt portions. Nodes are added as per bindings in
> Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt
> 
> Patches are based on 4.14-rc1. The first 2 patches adds the base DTS
> node and enables the device on OMAPL138 LCDK board. The last patch
> allows the non-DT clock to be bound to the DT DSP device by using
> of_auxdata which renames the device to the same as the non-DT device
> name. This is required by the davinci remoteproc driver to properly
> acquire and enable the clock for this device.
> 
> Validation done on OMAPL138 LCDK board. Supported features include
> basic load/boot (tested with rpmsg_client_sample) using external
> memory from the CMA pool.

Applied for v4.15. The patches are on my master branch. They will be in
linux-next when I send my pull request to ARM-SoC, which typically will
take a couple of weeks more.

davinci_all_defconfig seems to be missing the CMA options needed. Could
you send a patch enabling them?

Thanks,
Sekhar