Hi Linus, On Fri, Dec 11, 2015 at 7:36 PM, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote: > The bgpio_get_set() call should return a value clamped to [0,1], > the current code will return a negative value if reading > bit 31, which turns the value negative as this is a signed value > and thus gets interpreted as an error by the gpiolib core. > Found on the gpio-mxc but applies to any MMIO driver. > > Fixes: b19e7f51a55f "gpio: gpio-generic: add flag to read out output value from reg_set" This commit appeared in 4.2, so it would be nice to add a stable tag: Cc: <stable@xxxxxxxxxxxxxxx> # 4.2+ Regards, Fabio Estevam -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html