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Date: Mon, 13 May 2019 09:03:28 -0700 From: Doug Anderson <dianders@...omium.org> To: Mark Brown <broonie@...nel.org> Cc: Benson Leung <bleung@...omium.org>, Enric Balletbo i Serra <enric.balletbo@...labora.com>, "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>, Nicolas Boichat <drinkcat@...omium.org>, Guenter Roeck <groeck@...omium.org>, Brian Norris <briannorris@...omium.org>, Matthias Kaehlcke <mka@...omium.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 4/4] Revert "platform/chrome: cros_ec_spi: Transfer messages at high priority" Hi, On Mon, May 13, 2019 at 9:02 AM Mark Brown <broonie@...nel.org> wrote: > > On Mon, May 13, 2019 at 08:57:12AM -0700, Doug Anderson wrote: > > On Sun, May 12, 2019 at 10:05 AM Mark Brown <broonie@...nel.org> wrote: > > > > It isn't clear to me that it's a bad thing to have this even with the > > > SPI thread at realime priority. > > > The code that's there right now isn't enough. As per the description > > in the original patch, it didn't solve all problems but just made > > things an order of magnitude better. So if I don't do this revert I > > I'm not saying the other changes aren't helping, I'm saying that it's > not clear that this revert is improving things. If I add a call to force the pumping to happen on the SPI thread then the commit I'm reverting here is useless though, isn't it? -Doug
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