On Thu, Oct 22, 2015 at 10:32:24AM +0200, Linus Walleij wrote: > OK so this is it, I had no patience waiting for users to come up > with this new ABI, and the requests for a way for userspace to > use GPIOs properly is coming up again and again. So I created the > basics for it, so we can then build on top of this to get things > right. I want to get these very first things right before we go > wild with setting/getting pin values etc. This all makes sense to me modulo the (fairly minor) comments that have already been made. > We add ONE ioctl() to get information on the gpiochip. Now we can > do this (example from ux500): I guess a basic set/get API is going to be need to deprecate the sysfs ABI.
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