linux-kernel - Re: [PATCH 07/12] spi: Do spi_take_timestamp

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Message-ID: <20200305121202.GB4046@sirena.org.uk>
Date:   Thu, 5 Mar 2020 12:12:02 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        eha@...f.com, angelo@...am.it, andrew.smirnov@...il.com,
        gustavo@...eddedor.com, weic@...dia.com, mhosny@...dia.com
Subject: Re: [PATCH 07/12] spi: Do spi_take_timestamp_pre for as many times
 as necessary

On Thu, Mar 05, 2020 at 12:00:39AM +0200, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@....com>
> 
> When dealing with a SPI controller driver that is sending more than 1
> byte at once (or the entire buffer at once), and the SPI peripheral
> driver has requested timestamping for a byte in the middle of the
> buffer, we find that spi_take_timestamp_pre never records a "pre"
> timestamp.

This is a fix and so should have been at the start of the series to make
sure there aren't any dependencies.

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