linux-kernel - Re: [PATCH 0/3] pinctrl: mcp23s08: Fixups for mcp23x17

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Message-ID: <26d33248-c07b-db2c-2989-3ca14aea7896@codethink.co.uk>
Date:   Fri, 14 Aug 2020 14:56:54 +0100
From:   Thomas Preston <thomas.preston@...ethink.co.uk>
To:     linus.walleij@...aro.org, robh+dt@...nel.org,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] pinctrl: mcp23s08: Fixups for mcp23x17

On 14/08/2020 11:03, Thomas Preston wrote:
> I'm in the process of adding a device tree overlay for the PiFace
> Digital Raspberry Pi daughter board [0]. It's an mcp23s17 SPI GPIO port
> expander. In doing so, I noticed some errors with the mcp23s08 driver.
[snip]
> They're quite trivial and backwards compatible, although I might be
> wrong about "interrupt-controller". Can someone please confirm?
[snip]
> [0] https://github.com/raspberrypi/linux/pull/3794

Actually I think I'm wrong about the interrupt-controller changes in 
patches 0002 and 0003.

I think Patch 0001 fixups are fine still.

Sorry for the noise!