From: Mark Brown <broonie@kernel.org>
To: Doug Anderson <dianders@chromium.org>
Cc: apronin@chromium.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-spi@vger.kernel.org
Subject: Re: [PATCH 1/4] spi: Add option to wake a device by toggling CS
Date: Fri, 1 Jul 2016 09:21:01 +0100 [thread overview]
Message-ID: <20160701082101.GD6247@sirena.org.uk> (raw)
In-Reply-To: <CAD=FV=WSHKfAmskimrxOaiFvGmF-FTzNgiv-_=RtK+DfX-ZuuA@mail.gmail.com>
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On Thu, Jun 30, 2016 at 09:23:26PM -0700, Doug Anderson wrote:
> Also, something doesn't seem terribly robust about this, buy maybe I'm
> being paranoid. If something happens where the timer hasn't fired
> quickly enough then you might not know that you need to assert the
> wakeup, right? I don't think there's a 100% guarantee that a timer
> will fire and finish running within a certain period of time, is
> there?
No, or at least a minimum bound on accuracy - you'd need to set the
timer for something lower than the actual limit.
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next prev parent reply other threads:[~2016-07-01 8:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-30 3:54 [PATCH 1/4] spi: Add option to wake a device by toggling CS apronin
2016-06-30 3:54 ` [PATCH 2/4] spi: Document " apronin
2016-06-30 7:12 ` Geert Uytterhoeven
2016-07-01 4:32 ` Doug Anderson
2016-06-30 3:54 ` [PATCH 3/4] spi: Add option to insert delay between transactions apronin
2016-07-01 4:44 ` Doug Anderson
2016-07-01 8:16 ` Mark Brown
2016-06-30 3:54 ` [PATCH 4/4] spi: Document " apronin
2016-06-30 7:12 ` Geert Uytterhoeven
2016-07-01 4:45 ` Doug Anderson
2016-07-01 4:23 ` [PATCH 1/4] spi: Add option to wake a device by toggling CS Doug Anderson
2016-07-01 8:21 ` Mark Brown [this message]
2016-07-01 17:05 ` Doug Anderson
2016-07-01 17:17 ` Mark Brown
2016-07-02 2:02 ` Andrey Pronin
2016-07-01 8:02 ` Mark Brown
2016-07-02 1:45 ` Andrey Pronin
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