linux-kernel - Re: [RFC PATCH 5/7] dt-bindings: ti-omap-hsmmc: Document new compatible for sdhci omap

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Date:   Thu, 17 Aug 2017 11:13:47 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Tony Lindgren <tony@...mide.com>
CC:     Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>, <nsekhar@...com>,
        <linux-omap@...r.kernel.org>, <linux-mmc@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 5/7] dt-bindings: ti-omap-hsmmc: Document new
 compatible for sdhci omap

Hi Tony,

On Thursday 10 August 2017 03:42 AM, Tony Lindgren wrote:
> * Kishon Vijay Abraham I <kishon@...com> [170807 09:03]:
>> Document the new compatible string "ti,dra7-sdhci" to be used for
>> MMC controllers in DRA7 and DRA72 SoCs.
> 
> I wonder if this should really be documented for sdhci
> instead of ti-omap-hsmmc.txt?

hmm.. yeah, having a separate binding document for sdhci would make the binding
really clean and we also don't have to carry legacy binding code. But we'll be
never able to remove omap-hsmmc driver then and end up maintaining 2 drivers
for the same controller.
> 
> I agree it's better to use sdhci compatible and keep the
> hsmmc compatible around as the sdhci is still missing features
> for runtime PM and context save and restore etc.

yeah, once we have all the features in omap_hsmmc added in sdhci-omap, we can
add the omap-hsmmc compatible to sdhci-omap and remove omap-hsmmc driver.

Thanks
Kishon