Hi, On Mon, Nov 7, 2016 at 4:18 PM, LABBE Corentin <[email protected]> wrote: > Hello > > With CONFIG_DEBUG_TEST_DRIVER_REMOVE=y pinctrl-sunxi fail to load on the > second try. > > [ 3.900061] sun8i-h3-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver > [ 3.916251] gpio gpiochip1: GPIO integer space overlap, cannot add chip > [ 3.923016] gpiochip_add_data: GPIOs 0..223 (1c20800.pinctrl) failed to > register > [ 3.931099] sun8i-h3-pinctrl: probe of 1c20800.pinctrl failed with error > -16 > [ 3.944709] sun8i-h3-r-pinctrl 1f02c00.pinctrl: initialized sunXi PIO > driver > [ 3.960796] gpio gpiochip2: GPIO integer space overlap, cannot add chip > [ 3.967594] gpiochip_add_data: GPIOs 352..383 (1f02c00.pinctrl) failed to > register > [ 3.975633] sun8i-h3-r-pinctrl: probe of 1f02c00.pinctrl failed with error > -16 > > Without it, all subsequent drivers fail to load. > Tested on Orange PI PC board.
I don't think the pinctrl drivers were designed to be removed. And I thought the lack of a .remove callback in the driver blocks the core from removing the device? Maybe I remember wrong... ChenYu > > Regards
