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

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Message-ID: <20200217115213.GA9304@sirena.org.uk>
Date:   Mon, 17 Feb 2020 11:52:13 +0000
From:   Mark Brown <broonie@...nel.org>
To:     "Ramuthevar, Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
Cc:     Simon Goldschmidt <simon.k.r.goldschmidt@...il.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,
        dinguyen@...nel.org, tien.fong.chee@...el.com
Subject: Re: [PATCH v9 0/2] spi: cadence-quadpsi: Add support for the Cadence
 QSPI controller

On Mon, Feb 17, 2020 at 05:28:38PM +0800, Ramuthevar, Vadivel MuruganX wrote:
> On 14/2/2020 8:11 PM, Mark Brown wrote:

> > Given that this is a new driver I'd be very surprised if it broke other
> > users?  I can imagine it might not work for them and it would definitely
> > be much better to get their review but it shouldn't be any worse than
> > the current lack of support.

> *[Vignesh]*  The legacy driver under drivers/mtd/spi-nor will be removed as
> we cannot
> support both SPI NOR and SPI NAND with single driver if its under
> spi-nor. New driver should be functionally equivalent to existing one.
> So I suggest you test this driver on legcay SoCFPGA products.

You're not actually removing the driver here, you're adding another
driver for the same thing.

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