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

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Date:   Thu, 5 Mar 2020 15:13:53 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     linux-spi@...r.kernel.org, lkml <linux-kernel@...r.kernel.org>,
        Esben Haabendal <eha@...f.com>, angelo@...am.it,
        andrew.smirnov@...il.com,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Wei Chen <weic@...dia.com>, Mohamed Hosny <mhosny@...dia.com>
Subject: Re: [PATCH 07/12] spi: Do spi_take_timestamp_pre for as many times as necessary

On Thu, 5 Mar 2020 at 15:04, Mark Brown <broonie@...nel.org> wrote:
>
> On Thu, Mar 05, 2020 at 03:00:22PM +0200, Vladimir Oltean wrote:
> > On Thu, 5 Mar 2020 at 14:12, Mark Brown <broonie@...nel.org> wrote:
>
> > > This is a fix and so should have been at the start of the series to make
> > > sure there aren't any dependencies.
>
> > My reasoning for not submitting it as a fix is:
> > - The only driver that uses the functionality so far - spi-fsl-dspi -
> > has worked thus far even with the limitation that only byte-by-byte
> > transfers were supported properly.
> > - I removed the limitation before actually changing the operating mode
> > of spi-fsl-dspi. Therefore the limitation is effectively never seen.
> > - New SPI drivers that would want to make use of software timestamping
> > would do so through your SPI for-next branch anyway, where the
> > limitation would be, again, fixed.
>
> That's mostly all true but it's still better to pull fixes like this (or
> the patch limiting the size) forwards and not have to think if it's safe
> to not apply them as a fix, it's less effort all round.

So do you want me to do something about it now?