linux-kernel - Re: [PATCH] spi: spi-fsl-dspi: Add ACPI support

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Message-ID: <20200826101954.GD4965@sirena.org.uk>
Date:   Wed, 26 Aug 2020 11:19:54 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Qiang Zhao <qiang.zhao@....com>
Cc:     Vladimir Oltean <olteanv@...il.com>,
        kuldip dwivedi <kuldip.dwivedi@...esoftware.com>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Pankaj Bansal <pankaj.bansal@....com>,
        Varun Sethi <V.Sethi@....com>,
        Tanveer Alam <tanveer.alam@...esoftware.com>
Subject: Re: [PATCH] spi: spi-fsl-dspi: Add ACPI support

On Wed, Aug 26, 2020 at 08:19:41AM +0000, Qiang Zhao wrote:
> On Mon, Aug 24, 2020 at 19:25, Mark Brown <broonie@...nel.org> wrote:

> > Yes, it's a legacy from bad board file conversions and shouldn't be used at all.

> I saw a lot of driver assign spi_controller -> num_chipselect directly, should we do like that?

Yes, you should know the number of chip selects based on the controller.

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