linux-kernel - Re: [PATCH] spi-imx: remove num-cs support, set num

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Date:   Fri, 4 Sep 2020 14:10:14 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Fabio Estevam <festevam@...il.com>
Cc:     Matthias Schiffer <matthias.schiffer@...tq-group.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        linux-spi <linux-spi@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] spi-imx: remove num-cs support, set num_chipselect to 4

On Fri, Sep 04, 2020 at 09:35:38AM -0300, Fabio Estevam wrote:
> On Thu, Sep 3, 2020 at 11:40 AM Matthias Schiffer

> > +       master->num_chipselect = 4;

> On an imx6q-sabresd, which only has one SPI chip-select via GPIO, this
> makes the SPI core to understand that it has 4 chip selects.

We shouldn't do anything with the extra chip selects though?

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