Re: [PATCH 1/4] spi: Add option to wake a device by toggling CS

[Mark Brown]

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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