Messages in this thread | | | Date | Sat, 28 Feb 2015 01:15:52 -0800 | From | Brian Norris <> | Subject | Re: [PATCH v2] mtd: pxa3xx-nand: handle PIO in threaded interrupt |
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On Fri, Feb 20, 2015 at 07:36:43PM +0100, Robert Jarzmik wrote: > Change the handling of the data stage in the driver : don't pump data in > the top-half interrupt, but rather schedule a thread for non dma cases. > > This will enable latencies in the data pumping, especially if delays are > required. Moreover platform shall be more reactive as other interrupts > can be served while pumping data. > > No throughput degradation was observed, at least on the zylonite > platform, while a slight degradation was being expected. > > Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> > Tested-by: Maxime Ripard <maxime.ripard@free-electrons.com> > --- > Since v1: use IRQF_ONESHOT per Maxime's comment
Pushed to l2-mtd.git. Thanks.
Brian
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