Messages in this thread | | | Date | Thu, 15 Dec 2005 21:17:01 -0800 | From | Greg KH <> | Subject | Re: [spi-devel-general] Re: [PATCH/RFC] SPI: add DMAUNSAFE analog |
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On Thu, Dec 15, 2005 at 07:34:59PM -0800, Andy Isaacson wrote: > Now one could argue that this design is broken (requiring a slow serial > bus access to ack an irq means that you end up with very high-latency > interrupt handlers) but it's my impression that such designs are not > unheard of in the embedded world.
Then you just atomically allocate a buffer like all of the current kernel drivers do :)
Come on people, this really isn't an issue...
thanks,
greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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