linux-kernel - Re: [PATCH v9 0/2] spi: cadence-quadpsi: Add support for the Cadence QSPI controller

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Message-ID: <20200214131518.GJ4827@sirena.org.uk>
Date:   Fri, 14 Feb 2020 13:15:18 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Simon Goldschmidt <simon.k.r.goldschmidt@...il.com>
Cc:     "Ramuthevar,Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-spi@...r.kernel.org, Vignesh R <vigneshr@...com>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, dan.carpenter@...cle.com,
        cheol.yong.kim@...el.com, qi-ming.wu@...el.com
Subject: Re: [PATCH v9 0/2] spi: cadence-quadpsi: Add support for the Cadence
 QSPI controller

On Fri, Feb 14, 2020 at 01:50:44PM +0100, Simon Goldschmidt wrote:

> So please correct me if I'm wrong, but to me it seems like if this driver won't
> work on altera, and after merging it the currently working driver will be
> removed, altera will be broken.

I'm not seeing anything in the driver that removes whatever the current
support is?  Unless it's just adding a duplicate driver for the same
compatible strings which is obviously a bad idea but at least means that
unless people enable the driver there's no risk of it colliding with the
existing one.

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