On Monday 15 December 2014 13:35:47 Ray Jui wrote: > > Like I said previously, dynamic GPIO allocation works fine in the > kernel, as long as all of our GPIO clients in the kernel use gpiod based > API, which is what we will enforce going forward. The only problem is > with some of our customers who use GPIO through sysfs and expect fixed > global GPIO numbers. Thinking about this more, it's probably not that > difficult to add a script for those customers to convert/map the GPIO > numbers based on readings parsed from sysfs, so I guess that's fine. > I think we discussed the user space interface a number of times in the past, but I forgot the outcome. Either there is already a way to name gpio lines uniquely in sysfs, or there should be one. Can you reach the gpio interfaces using /sys/devices/0001234.bus/1234566.gpiocontroller/...? Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
