From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>
Cc: linux-spi <linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linaro-kernel-cunTk1MwBs8s++Sfvej+rw@public.gmane.org
Subject: Re: [PATCH] spi: Add a timeout when waiting for transfers
Date: Tue, 4 Feb 2014 17:45:37 +0000 [thread overview]
Message-ID: <20140204174537.GJ22609@sirena.org.uk> (raw)
In-Reply-To: <CAMuHMdXgDAPy4aezxULQsjiRUfyE3F2_NSjuWhBiy119DSXR5A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
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On Mon, Feb 03, 2014 at 09:55:33AM +0100, Geert Uytterhoeven wrote:
> On Fri, Jan 31, 2014 at 1:26 PM, Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
> > to be letting the transfer run in the background. Though I suppose that
> > might make sense in some situations...
> While I've been thinking about moving more code to the interrupt handler,
> the current RSPI transfer_one() is indeed still synchronous, so the timeout
> doesn't apply yet.
OK, that's interesting. Actually one of the things that this
refactoring into the core is driving at is that hopefully we'll be able
to deploy some of the optimisation techniques like that in the core
rather than having individual drivers open coding them - this should on
average increase performance.
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prev parent reply other threads:[~2014-02-04 17:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-30 22:38 [PATCH] spi: Add a timeout when waiting for transfers Mark Brown
[not found] ` <1391121536-10937-1-git-send-email-broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2014-01-31 7:49 ` Geert Uytterhoeven
[not found] ` <CAMuHMdUVmL5Zq8AYPVmUyWEBTzokSMV-Xg4uFzpxr7c2uSmU7g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-31 11:49 ` Mark Brown
[not found] ` <20140131114935.GA22609-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-01-31 12:00 ` Geert Uytterhoeven
[not found] ` <CAMuHMdXLe+Ot5ntOtUC2Qynid4mv1h+UoitJuDW=Z-iyRKXCdg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-31 12:26 ` Mark Brown
[not found] ` <20140131122617.GC22609-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-02-03 8:55 ` Geert Uytterhoeven
[not found] ` <CAMuHMdXgDAPy4aezxULQsjiRUfyE3F2_NSjuWhBiy119DSXR5A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-04 17:45 ` Mark Brown [this message]
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