Linus, On Tue, Apr 22, 2014 at 02:48:04PM +0200, Linus Walleij wrote: > On Thu, Apr 10, 2014 at 3:07 PM, Antoine Ténart > <antoine.tenart@xxxxxxxxxxxxxxxxxx> wrote: > > > When using a group only pinctrl driver, which does not have any > > information on the pins it is useless to define a get_group_pins > > always returning an empty list of pins. > > > > When not using get_group_pin[1], a driver must implement it so > > pins = NULL and num_pins = 0. This patch makes it the default > > behaviour if not defined in the pinctrl driver when used in > > pinmux enable and disable funtions and in pinctrl_groups_show. > > > > It also adds a check in pinctrl_get_group_pins and return -EINVAL if > > not defined. This function is called in the gpiolib when adding when > > pingroup range. It cannot be used if no group is defined, so this seams > > reasonable. > > > > [1] get_group_pin(struct pinctrl_dev *pctldev, > > unsigned selector, > > const unsigned **pins, > > unsigned *num_pins); > > > > Signed-off-by: Antoine Ténart <antoine.tenart@xxxxxxxxxxxxxxxxxx> > > OK makes perfect sense. > > Patch applied. Thanks! > Can you please check the Documentation/pinctrl.txt to see > if anything needs to be updated due to this? I just checked and did not see needed updates due to this patch. Antoine -- Antoine Ténart, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -- 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
