linux-kernel - Re: [RFC PATCH 3/7] mmc: sdhci: Add callback to set bus mode

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Date:   Thu, 17 Aug 2017 11:01:35 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Tony Lindgren <tony@...mide.com>,
        Rob Herring <robh+dt@...nel.org>
CC:     <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 3/7] mmc: sdhci: Add callback to set bus mode

Adrian,

On Tuesday 15 August 2017 01:08 PM, Adrian Hunter wrote:
> On 07/08/17 19:01, Kishon Vijay Abraham I wrote:
>> Add callback to set bus mode in sdhci library so that the
>> controller driver can perform any bus mode specific configurations
>> in the callback function.
> 
> A quirk isn't needed.  Just hook ->set_ios() e.g.
> 
> 	host->mmc_host_ops.set_ios = sdhci_omap_set_ios;
> 
> Then sdhci_omap_set_ios() can call sdhci_set_ios() and then do the bus mode
> setting.

I'm not adding a quirk here.. but I got your point.

Thanks
Kishon