On Thu, Jun 06, 2019 at 11:11:11AM -0400, Sven Van Asbroeck wrote: > I was able to test the patch [1] exclusion mechanism without access to actual > hardware - by giving it a dummy regmap. See patch below. > > Test cases (all via sysfs): > 1. verify requested pwm cannot be requested as gpio > 2. verify requested gpio cannot be requested as pwm > 3. verify pwm "all LEDs" cannot be used if pwms/gpios in use > 4. verify pwms/gpios cannot be requested if pwm "all LEDs" in use > > All test cases ok. > Obviously, I could not test multi-threaded correctness. > > [1] https://lkml.org/lkml/2019/6/4/1039 Is this patch still relevant? A patch similar to YueHaibing's one was merged in the meantime but I guess the underlying problem is still relevant. Sven, do you care enough to recheck and create a patch on top of a more recent tree? Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | https://www.pengutronix.de/ |
