drivers/pinctrl/core.c

550  * pinctrl_generic_get_group_name() - returns the name of a pin group
552  * @selector: group number
557 	struct group_desc *group;
559 	group = radix_tree_lookup(&pctldev->pin_group_tree,
561 	if (!group)
564 	return group->grp.name;
569  * pinctrl_generic_get_group_pins() - gets the pin group pins
571  * @selector: group number
572  * @pins: pins in the group
573  * @num_pins: number of pins in the group
580 	struct group_desc *group;
582 	group = radix_tree_lookup(&pctldev->pin_group_tree,
584 	if (!group) {
590 	*pins = group->grp.pins;
591 	*num_pins = group->grp.npins;
598  * pinctrl_generic_get_group() - returns a pin group based on the number
600  * @selector: group number
605 	struct group_desc *group;
607 	group = radix_tree_lookup(&pctldev->pin_group_tree,
609 	if (!group)
612 	return group;
623 	/* See if this pctldev has this group */
637  * pinctrl_generic_add_group() - adds a new pin group
639  * @name: name of the pin group
640  * @pins: pins in the pin group
641  * @num_pins: number of pins in the pin group
649 	struct group_desc *group;
661 	group = devm_kzalloc(pctldev->dev, sizeof(*group), GFP_KERNEL);
662 	if (!group)
665 	*group = PINCTRL_GROUP_DESC(name, pins, num_pins, data);
667 	error = radix_tree_insert(&pctldev->pin_group_tree, selector, group);
678  * pinctrl_generic_remove_group() - removes a numbered pin group
680  * @selector: group number
687 	struct group_desc *group;
689 	group = radix_tree_lookup(&pctldev->pin_group_tree,
691 	if (!group)
695 	devm_kfree(pctldev->dev, group);
728  * pinctrl_get_group_selector() - returns the group selector for a group
729  * @pctldev: the pin controller handling the group
730  * @pin_group: the pin group to look up
744 				"found group selector %u for %s\n",
753 	dev_err(pctldev->dev, "does not have pin group %s\n",
1735 			seq_printf(s, "group: %s\n", gname);