On Sat, Jan 21, 2012 at 02:41:59PM +0100, Bill Gatliff wrote: > What about using autosuspend instead? If a client is doing a lot of > closely-spaced SPI transactions on a relatively flat device tree, > might the resulting runtime suspend/resume overhead between each > transaction become noticeable?
It seems very low overhead, particularly in the context of the overhead of the SPI transactions themselves. I have sometimes wondered if it might be an idea to just make the core do something along these lines by default as there should be very few cases where it's important to have the suspend happen immediately. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
