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Date: Fri, 18 Sep 2015 17:40:30 +0530 From: Vignesh R <vigneshr@...com> To: Mark Brown <broonie@...nel.org> CC: Benoit Cousson <bcousson@...libre.com>, Tony Lindgren <tony@...mide.com>, Russell King <linux@....linux.org.uk>, David Woodhouse <dwmw2@...radead.org>, Brian Norris <computersforpeace@...il.com>, <hramrach@...il.com>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-mtd@...ts.infradead.org>, <linux-spi@...r.kernel.org> Subject: Re: [PATCH 1/5] spi: introduce mmap read support for spi flash devices On 09/16/2015 04:26 PM, Mark Brown wrote: > On Wed, Sep 16, 2015 at 03:38:09PM +0530, Vignesh R wrote: > >> But, I didn't get how to integrate with existing message queue. Memory >> mapped read by-passes message queue of SPI core. Could you please >> explain a bit more on integrating with message queue? Did you mean >> locking the existing message queue when memory mapped read is being >> requested? > > Yes, and also making sure that we don't everything gets processed in > order so memory mapped requests come after any commands needed to set > them up and don't starve other work. > Ok, thanks for the clarification! -- Regards Vignesh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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