linux-kernel - Re: [PATCH RFC 3/3] spi: HiSilicon v3xx: Use DMI quirk to set controller buswidth override bits

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Message-ID: <20200228162057.GC4956@sirena.org.uk>
Date:   Fri, 28 Feb 2020 16:20:57 +0000
From:   Mark Brown <broonie@...nel.org>
To:     John Garry <john.garry@...wei.com>
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org, andriy.shevchenko@...ux.intel.com,
        linuxarm@...wei.com
Subject: Re: [PATCH RFC 3/3] spi: HiSilicon v3xx: Use DMI quirk to set
 controller buswidth override bits

On Fri, Feb 28, 2020 at 11:18:51PM +0800, John Garry wrote:
> The Huawei D06 board (and variants) can support Quad mode of operation.
> 
> Since we have no current method in ACPI SPI bus device resource description
> to describe this information, use DMI to detect the board, and set the
> controller buswidth override bits.

Hopefully this is something that the ACPI people will be looking to
address going forwards :/

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