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From: Mark Brown <broonie@kernel.org>
To: Doug Anderson <dianders@chromium.org>
Cc: Benson Leung <bleung@chromium.org>,
	Enric Balletbo i Serra <enric.balletbo@collabora.com>,
	"open list:ARM/Rockchip SoC..."
	<linux-rockchip@lists.infradead.org>,
	Nicolas Boichat <drinkcat@chromium.org>,
	Guenter Roeck <groeck@chromium.org>,
	Brian Norris <briannorris@chromium.org>,
	Matthias Kaehlcke <mka@chromium.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 4/4] Revert "platform/chrome: cros_ec_spi: Transfer messages at high priority"
Date: Mon, 13 May 2019 17:01:53 +0100	[thread overview]
Message-ID: <20190513160153.GD5168@sirena.org.uk> (raw)
In-Reply-To: <CAD=FV=Xg96SGg-JDjEJRtC6jACcN9Xizcr-zV4rQwXYvuEvmRA@mail.gmail.com>

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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@kernel.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.

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  reply	other threads:[~2019-05-13 16:01 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-10 22:34 [PATCH 0/4] spi: A better solution for cros_ec_spi reliability Douglas Anderson
2019-05-10 22:34 ` [PATCH 1/4] spi: For controllers that need realtime always use the pump thread Douglas Anderson
2019-05-11  0:24   ` Guenter Roeck
     [not found]   ` <20190510223437.84368-2-dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2019-05-12  7:33     ` Mark Brown
2019-05-13 20:24       ` Doug Anderson
2019-05-14  9:30         ` Mark Brown
2019-05-14 14:42           ` Doug Anderson
2019-05-14 15:06             ` Mark Brown
2019-05-10 22:34 ` [PATCH 2/4] spi: Allow SPI devices to specify that they are timing sensitive Douglas Anderson
     [not found]   ` <20190510223437.84368-3-dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2019-05-11  0:31     ` Guenter Roeck
2019-05-12  7:42     ` Mark Brown
2019-05-10 22:34 ` [PATCH 3/4] platform/chrome: cros_ec_spi: Set ourselves as " Douglas Anderson
2019-05-11  0:32   ` Guenter Roeck
     [not found] ` <20190510223437.84368-1-dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2019-05-10 22:34   ` [PATCH 4/4] Revert "platform/chrome: cros_ec_spi: Transfer messages at high priority" Douglas Anderson
2019-05-11  0:32     ` Guenter Roeck
     [not found]     ` <20190510223437.84368-5-dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2019-05-12  7:45       ` Mark Brown
2019-05-13 15:57         ` Doug Anderson
2019-05-13 16:01           ` Mark Brown [this message]
2019-05-13 16:03             ` Doug Anderson
2019-05-13 16:47               ` Mark Brown
2019-05-13 20:21                 ` Doug Anderson

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