linux-kernel - Re: [PATCH 1/2] spi: fsi: Reduce max transfer size to 8 bytes

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Message-ID: <81a40f8690d297ebfb6697dbea63279bcf2f24fa.camel@linux.ibm.com>
Date:   Fri, 16 Jul 2021 13:34:38 -0500
From:   Eddie James <eajames@...ux.ibm.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     devicetree@...r.kernel.org, openbmc@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        robh+dt@...nel.org
Subject: Re: [PATCH 1/2] spi: fsi: Reduce max transfer size to 8 bytes

On Fri, 2021-07-16 at 18:19 +0100, Mark Brown wrote:
> On Fri, Jul 16, 2021 at 08:39:14AM -0500, Eddie James wrote:
> > Security changes have forced the SPI controllers to be limited to
> > 8 byte reads. Refactor the sequencing to just handle 8 bytes at a
> > time.

Security changes in the SPI controller - in the device microcode. I can
reword the commit if you like.

Thanks,
Eddie

> 
> Which security changes where - somewhere else in Linux?