247 static inline u32 bcm2835_gpio_rd(struct bcm2835_pinctrl *pc, unsigned reg)  in bcm2835_gpio_rd()  argument
249 	return readl(pc->base + reg);  in bcm2835_gpio_rd()
252 static inline void bcm2835_gpio_wr(struct bcm2835_pinctrl *pc, unsigned reg,  in bcm2835_gpio_wr()  argument
255 	writel(val, pc->base + reg);  in bcm2835_gpio_wr()
258 static inline int bcm2835_gpio_get_bit(struct bcm2835_pinctrl *pc, unsigned reg,  in bcm2835_gpio_get_bit()  argument
262 	return (bcm2835_gpio_rd(pc, reg) >> GPIO_REG_SHIFT(bit)) & 1;  in bcm2835_gpio_get_bit()
266 static inline void bcm2835_gpio_set_bit(struct bcm2835_pinctrl *pc,  in bcm2835_gpio_set_bit()  argument
270 	bcm2835_gpio_wr(pc, reg, BIT(GPIO_REG_SHIFT(bit)));  in bcm2835_gpio_set_bit()
274 		struct bcm2835_pinctrl *pc, unsigned pin)  in bcm2835_pinctrl_fsel_get()  argument
276 	u32 val = bcm2835_gpio_rd(pc, FSEL_REG(pin));  in bcm2835_pinctrl_fsel_get()
279 	dev_dbg(pc->dev, "get %08x (%u => %s)\n", val, pin,  in bcm2835_pinctrl_fsel_get()
286 		struct bcm2835_pinctrl *pc, unsigned pin,  in bcm2835_pinctrl_fsel_set()  argument
293 	spin_lock_irqsave(&pc->fsel_lock, flags);  in bcm2835_pinctrl_fsel_set()
294 	val = bcm2835_gpio_rd(pc, FSEL_REG(pin));  in bcm2835_pinctrl_fsel_set()
297 	dev_dbg(pc->dev, "read %08x (%u => %s)\n", val, pin,  in bcm2835_pinctrl_fsel_set()
308 		dev_dbg(pc->dev, "trans %08x (%u <= %s)\n", val, pin,  in bcm2835_pinctrl_fsel_set()
310 		bcm2835_gpio_wr(pc, FSEL_REG(pin), val);  in bcm2835_pinctrl_fsel_set()
316 	dev_dbg(pc->dev, "write %08x (%u <= %s)\n", val, pin,  in bcm2835_pinctrl_fsel_set()
318 	bcm2835_gpio_wr(pc, FSEL_REG(pin), val);  in bcm2835_pinctrl_fsel_set()
321 	spin_unlock_irqrestore(&pc->fsel_lock, flags);  in bcm2835_pinctrl_fsel_set()
326 	struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);  in bcm2835_gpio_direction_input()  local
328 	bcm2835_pinctrl_fsel_set(pc, offset, BCM2835_FSEL_GPIO_IN);  in bcm2835_gpio_direction_input()
334 	struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);  in bcm2835_gpio_get()  local
336 	return bcm2835_gpio_get_bit(pc, GPLEV0, offset);  in bcm2835_gpio_get()
341 	struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);  in bcm2835_gpio_get_direction()  local
342 	enum bcm2835_fsel fsel = bcm2835_pinctrl_fsel_get(pc, offset);  in bcm2835_gpio_get_direction()
356 	struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);  in bcm2835_gpio_set()  local
358 	bcm2835_gpio_set_bit(pc, value ? GPSET0 : GPCLR0, offset);  in bcm2835_gpio_set()
364 	struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);  in bcm2835_gpio_direction_output()  local
366 	bcm2835_gpio_set_bit(pc, value ? GPSET0 : GPCLR0, offset);  in bcm2835_gpio_direction_output()
367 	bcm2835_pinctrl_fsel_set(pc, offset, BCM2835_FSEL_GPIO_OUT);  in bcm2835_gpio_direction_output()
417 static void bcm2835_gpio_irq_handle_bank(struct bcm2835_pinctrl *pc,  in bcm2835_gpio_irq_handle_bank()  argument
424 	events = bcm2835_gpio_rd(pc, GPEDS0 + bank * 4);  in bcm2835_gpio_irq_handle_bank()
426 	events &= pc->enabled_irq_map[bank];  in bcm2835_gpio_irq_handle_bank()
429 		generic_handle_domain_irq(pc->gpio_chip.irq.domain,  in bcm2835_gpio_irq_handle_bank()
437 	struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);  in bcm2835_gpio_irq_handler()  local
456 		bcm2835_gpio_irq_handle_bank(pc, 0, 0x0fffffff);  in bcm2835_gpio_irq_handler()
459 		bcm2835_gpio_irq_handle_bank(pc, 0, 0xf0000000);  in bcm2835_gpio_irq_handler()
460 		bcm2835_gpio_irq_handle_bank(pc, 1, 0x00003fff);  in bcm2835_gpio_irq_handler()
463 		bcm2835_gpio_irq_handle_bank(pc, 1, 0x003fc000);  in bcm2835_gpio_irq_handler()
475 static inline void __bcm2835_gpio_irq_config(struct bcm2835_pinctrl *pc,  in __bcm2835_gpio_irq_config()  argument
480 	value = bcm2835_gpio_rd(pc, reg);  in __bcm2835_gpio_irq_config()
485 	bcm2835_gpio_wr(pc, reg, value);  in __bcm2835_gpio_irq_config()
489 static void bcm2835_gpio_irq_config(struct bcm2835_pinctrl *pc,  in bcm2835_gpio_irq_config()  argument
492 	switch (pc->irq_type[offset]) {  in bcm2835_gpio_irq_config()
494 		__bcm2835_gpio_irq_config(pc, GPREN0, offset, enable);  in bcm2835_gpio_irq_config()
498 		__bcm2835_gpio_irq_config(pc, GPFEN0, offset, enable);  in bcm2835_gpio_irq_config()
502 		__bcm2835_gpio_irq_config(pc, GPREN0, offset, enable);  in bcm2835_gpio_irq_config()
503 		__bcm2835_gpio_irq_config(pc, GPFEN0, offset, enable);  in bcm2835_gpio_irq_config()
507 		__bcm2835_gpio_irq_config(pc, GPHEN0, offset, enable);  in bcm2835_gpio_irq_config()
511 		__bcm2835_gpio_irq_config(pc, GPLEN0, offset, enable);  in bcm2835_gpio_irq_config()
519 	struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);  in bcm2835_gpio_irq_unmask()  local
527 	raw_spin_lock_irqsave(&pc->irq_lock[bank], flags);  in bcm2835_gpio_irq_unmask()
528 	set_bit(offset, &pc->enabled_irq_map[bank]);  in bcm2835_gpio_irq_unmask()
529 	bcm2835_gpio_irq_config(pc, gpio, true);  in bcm2835_gpio_irq_unmask()
530 	raw_spin_unlock_irqrestore(&pc->irq_lock[bank], flags);  in bcm2835_gpio_irq_unmask()
536 	struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);  in bcm2835_gpio_irq_mask()  local
542 	raw_spin_lock_irqsave(&pc->irq_lock[bank], flags);  in bcm2835_gpio_irq_mask()
543 	bcm2835_gpio_irq_config(pc, gpio, false);  in bcm2835_gpio_irq_mask()
545 	bcm2835_gpio_set_bit(pc, GPEDS0, gpio);  in bcm2835_gpio_irq_mask()
546 	clear_bit(offset, &pc->enabled_irq_map[bank]);  in bcm2835_gpio_irq_mask()
547 	raw_spin_unlock_irqrestore(&pc->irq_lock[bank], flags);  in bcm2835_gpio_irq_mask()
552 static int __bcm2835_gpio_irq_set_type_disabled(struct bcm2835_pinctrl *pc,  in __bcm2835_gpio_irq_set_type_disabled()  argument
562 		pc->irq_type[offset] = type;  in __bcm2835_gpio_irq_set_type_disabled()
572 static int __bcm2835_gpio_irq_set_type_enabled(struct bcm2835_pinctrl *pc,  in __bcm2835_gpio_irq_set_type_enabled()  argument
577 		if (pc->irq_type[offset] != type) {  in __bcm2835_gpio_irq_set_type_enabled()
578 			bcm2835_gpio_irq_config(pc, offset, false);  in __bcm2835_gpio_irq_set_type_enabled()
579 			pc->irq_type[offset] = type;  in __bcm2835_gpio_irq_set_type_enabled()
584 		if (pc->irq_type[offset] == IRQ_TYPE_EDGE_BOTH) {  in __bcm2835_gpio_irq_set_type_enabled()
586 			pc->irq_type[offset] = IRQ_TYPE_EDGE_FALLING;  in __bcm2835_gpio_irq_set_type_enabled()
587 			bcm2835_gpio_irq_config(pc, offset, false);  in __bcm2835_gpio_irq_set_type_enabled()
588 			pc->irq_type[offset] = type;  in __bcm2835_gpio_irq_set_type_enabled()
589 		} else if (pc->irq_type[offset] != type) {  in __bcm2835_gpio_irq_set_type_enabled()
590 			bcm2835_gpio_irq_config(pc, offset, false);  in __bcm2835_gpio_irq_set_type_enabled()
591 			pc->irq_type[offset] = type;  in __bcm2835_gpio_irq_set_type_enabled()
592 			bcm2835_gpio_irq_config(pc, offset, true);  in __bcm2835_gpio_irq_set_type_enabled()
597 		if (pc->irq_type[offset] == IRQ_TYPE_EDGE_BOTH) {  in __bcm2835_gpio_irq_set_type_enabled()
599 			pc->irq_type[offset] = IRQ_TYPE_EDGE_RISING;  in __bcm2835_gpio_irq_set_type_enabled()
600 			bcm2835_gpio_irq_config(pc, offset, false);  in __bcm2835_gpio_irq_set_type_enabled()
601 			pc->irq_type[offset] = type;  in __bcm2835_gpio_irq_set_type_enabled()
602 		} else if (pc->irq_type[offset] != type) {  in __bcm2835_gpio_irq_set_type_enabled()
603 			bcm2835_gpio_irq_config(pc, offset, false);  in __bcm2835_gpio_irq_set_type_enabled()
604 			pc->irq_type[offset] = type;  in __bcm2835_gpio_irq_set_type_enabled()
605 			bcm2835_gpio_irq_config(pc, offset, true);  in __bcm2835_gpio_irq_set_type_enabled()
610 		if (pc->irq_type[offset] == IRQ_TYPE_EDGE_RISING) {  in __bcm2835_gpio_irq_set_type_enabled()
612 			pc->irq_type[offset] = IRQ_TYPE_EDGE_FALLING;  in __bcm2835_gpio_irq_set_type_enabled()
613 			bcm2835_gpio_irq_config(pc, offset, true);  in __bcm2835_gpio_irq_set_type_enabled()
614 			pc->irq_type[offset] = type;  in __bcm2835_gpio_irq_set_type_enabled()
615 		} else if (pc->irq_type[offset] == IRQ_TYPE_EDGE_FALLING) {  in __bcm2835_gpio_irq_set_type_enabled()
617 			pc->irq_type[offset] = IRQ_TYPE_EDGE_RISING;  in __bcm2835_gpio_irq_set_type_enabled()
618 			bcm2835_gpio_irq_config(pc, offset, true);  in __bcm2835_gpio_irq_set_type_enabled()
619 			pc->irq_type[offset] = type;  in __bcm2835_gpio_irq_set_type_enabled()
620 		} else if (pc->irq_type[offset] != type) {  in __bcm2835_gpio_irq_set_type_enabled()
621 			bcm2835_gpio_irq_config(pc, offset, false);  in __bcm2835_gpio_irq_set_type_enabled()
622 			pc->irq_type[offset] = type;  in __bcm2835_gpio_irq_set_type_enabled()
623 			bcm2835_gpio_irq_config(pc, offset, true);  in __bcm2835_gpio_irq_set_type_enabled()
629 		if (pc->irq_type[offset] != type) {  in __bcm2835_gpio_irq_set_type_enabled()
630 			bcm2835_gpio_irq_config(pc, offset, false);  in __bcm2835_gpio_irq_set_type_enabled()
631 			pc->irq_type[offset] = type;  in __bcm2835_gpio_irq_set_type_enabled()
632 			bcm2835_gpio_irq_config(pc, offset, true);  in __bcm2835_gpio_irq_set_type_enabled()
645 	struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);  in bcm2835_gpio_irq_set_type()  local
652 	raw_spin_lock_irqsave(&pc->irq_lock[bank], flags);  in bcm2835_gpio_irq_set_type()
654 	if (test_bit(offset, &pc->enabled_irq_map[bank]))  in bcm2835_gpio_irq_set_type()
655 		ret = __bcm2835_gpio_irq_set_type_enabled(pc, gpio, type);  in bcm2835_gpio_irq_set_type()
657 		ret = __bcm2835_gpio_irq_set_type_disabled(pc, gpio, type);  in bcm2835_gpio_irq_set_type()
664 	raw_spin_unlock_irqrestore(&pc->irq_lock[bank], flags);  in bcm2835_gpio_irq_set_type()
672 	struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);  in bcm2835_gpio_irq_ack()  local
675 	bcm2835_gpio_set_bit(pc, GPEDS0, gpio);  in bcm2835_gpio_irq_ack()
681 	struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);  in bcm2835_gpio_irq_set_wake()  local
686 	if (!pc->wake_irq)  in bcm2835_gpio_irq_set_wake()
699 		ret = enable_irq_wake(pc->wake_irq[irqgroup]);  in bcm2835_gpio_irq_set_wake()
701 		ret = disable_irq_wake(pc->wake_irq[irqgroup]);  in bcm2835_gpio_irq_set_wake()
743 	struct bcm2835_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);  in bcm2835_pctl_pin_dbg_show()  local
744 	struct gpio_chip *chip = &pc->gpio_chip;  in bcm2835_pctl_pin_dbg_show()
745 	enum bcm2835_fsel fsel = bcm2835_pinctrl_fsel_get(pc, offset);  in bcm2835_pctl_pin_dbg_show()
747 	int value = bcm2835_gpio_get_bit(pc, GPLEV0, offset);  in bcm2835_pctl_pin_dbg_show()
752 		irq, irq_type_names[pc->irq_type[offset]]);  in bcm2835_pctl_pin_dbg_show()
767 static int bcm2835_pctl_dt_node_to_map_func(struct bcm2835_pinctrl *pc,  in bcm2835_pctl_dt_node_to_map_func()  argument
774 		dev_err(pc->dev, "%pOF: invalid brcm,function %d\n", np, fnum);  in bcm2835_pctl_dt_node_to_map_func()
786 static int bcm2835_pctl_dt_node_to_map_pull(struct bcm2835_pinctrl *pc,  in bcm2835_pctl_dt_node_to_map_pull()  argument
794 		dev_err(pc->dev, "%pOF: invalid brcm,pull %d\n", np, pull);  in bcm2835_pctl_dt_node_to_map_pull()
816 	struct bcm2835_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);  in bcm2835_pctl_dt_node_to_map()  local
831 		dev_err(pc->dev, "%pOF: missing brcm,pins property\n", np);  in bcm2835_pctl_dt_node_to_map()
839 		dev_err(pc->dev,  in bcm2835_pctl_dt_node_to_map()
850 		dev_err(pc->dev,  in bcm2835_pctl_dt_node_to_map()
857 		dev_err(pc->dev,  in bcm2835_pctl_dt_node_to_map()
877 		if (pin >= pc->pctl_desc.npins) {  in bcm2835_pctl_dt_node_to_map()
878 			dev_err(pc->dev, "%pOF: invalid brcm,pins value %d\n",  in bcm2835_pctl_dt_node_to_map()
889 			err = bcm2835_pctl_dt_node_to_map_func(pc, np, pin,  in bcm2835_pctl_dt_node_to_map()
899 			err = bcm2835_pctl_dt_node_to_map_pull(pc, np, pin,  in bcm2835_pctl_dt_node_to_map()
928 	struct bcm2835_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);  in bcm2835_pmx_free()  local
931 	bcm2835_pinctrl_fsel_set(pc, offset, BCM2835_FSEL_GPIO_IN);  in bcm2835_pmx_free()
962 	struct bcm2835_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);  in bcm2835_pmx_set()  local
964 	bcm2835_pinctrl_fsel_set(pc, group_selector, func_selector);  in bcm2835_pmx_set()
973 	struct bcm2835_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);  in bcm2835_pmx_gpio_disable_free()  local
976 	bcm2835_pinctrl_fsel_set(pc, offset, BCM2835_FSEL_GPIO_IN);  in bcm2835_pmx_gpio_disable_free()
984 	struct bcm2835_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);  in bcm2835_pmx_gpio_set_direction()  local
988 	bcm2835_pinctrl_fsel_set(pc, offset, fsel);  in bcm2835_pmx_gpio_set_direction()
1010 static void bcm2835_pull_config_set(struct bcm2835_pinctrl *pc,  in bcm2835_pull_config_set()  argument
1018 	bcm2835_gpio_wr(pc, GPPUD, arg & 3);  in bcm2835_pull_config_set()
1026 	bcm2835_gpio_wr(pc, GPPUDCLK0 + (off * 4), BIT(bit));  in bcm2835_pull_config_set()
1028 	bcm2835_gpio_wr(pc, GPPUDCLK0 + (off * 4), 0);  in bcm2835_pull_config_set()
1035 	struct bcm2835_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);  in bcm2835_pinconf_set()  local
1046 			bcm2835_pull_config_set(pc, pin, arg);  in bcm2835_pinconf_set()
1051 			bcm2835_pull_config_set(pc, pin, BCM2835_PUD_OFF);  in bcm2835_pinconf_set()
1055 			bcm2835_pull_config_set(pc, pin, BCM2835_PUD_DOWN);  in bcm2835_pinconf_set()
1059 			bcm2835_pull_config_set(pc, pin, BCM2835_PUD_UP);  in bcm2835_pinconf_set()
1064 			bcm2835_gpio_set_bit(pc, arg ? GPSET0 : GPCLR0, pin);  in bcm2835_pinconf_set()
1082 static void bcm2711_pull_config_set(struct bcm2835_pinctrl *pc,  in bcm2711_pull_config_set()  argument
1092 	value = bcm2835_gpio_rd(pc, GP_GPIO_PUP_PDN_CNTRL_REG0 + (off * 4));  in bcm2711_pull_config_set()
1095 	bcm2835_gpio_wr(pc, GP_GPIO_PUP_PDN_CNTRL_REG0 + (off * 4), value);  in bcm2711_pull_config_set()
1102 	struct bcm2835_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);  in bcm2711_pinconf_set()  local
1120 			bcm2711_pull_config_set(pc, pin, arg);  in bcm2711_pinconf_set()
1125 			bcm2711_pull_config_set(pc, pin, BCM2711_PULL_NONE);  in bcm2711_pinconf_set()
1128 			bcm2711_pull_config_set(pc, pin, BCM2711_PULL_DOWN);  in bcm2711_pinconf_set()
1131 			bcm2711_pull_config_set(pc, pin, BCM2711_PULL_UP);  in bcm2711_pinconf_set()
1136 			bcm2835_gpio_set_bit(pc, arg ? GPSET0 : GPCLR0, pin);  in bcm2711_pinconf_set()
1222 	struct bcm2835_pinctrl *pc;  in bcm2835_pinctrl_probe()  local
1232 	pc = devm_kzalloc(dev, sizeof(*pc), GFP_KERNEL);  in bcm2835_pinctrl_probe()
1233 	if (!pc)  in bcm2835_pinctrl_probe()
1236 	platform_set_drvdata(pdev, pc);  in bcm2835_pinctrl_probe()
1237 	pc->dev = dev;  in bcm2835_pinctrl_probe()
1245 	pc->base = devm_ioremap_resource(dev, &iomem);  in bcm2835_pinctrl_probe()
1246 	if (IS_ERR(pc->base))  in bcm2835_pinctrl_probe()
1247 		return PTR_ERR(pc->base);  in bcm2835_pinctrl_probe()
1256 	pc->gpio_chip = *pdata->gpio_chip;  in bcm2835_pinctrl_probe()
1257 	pc->gpio_chip.parent = dev;  in bcm2835_pinctrl_probe()
1259 	spin_lock_init(&pc->fsel_lock);  in bcm2835_pinctrl_probe()
1265 		bcm2835_gpio_wr(pc, GPREN0 + i * 4, 0);  in bcm2835_pinctrl_probe()
1266 		bcm2835_gpio_wr(pc, GPFEN0 + i * 4, 0);  in bcm2835_pinctrl_probe()
1267 		bcm2835_gpio_wr(pc, GPHEN0 + i * 4, 0);  in bcm2835_pinctrl_probe()
1268 		bcm2835_gpio_wr(pc, GPLEN0 + i * 4, 0);  in bcm2835_pinctrl_probe()
1269 		bcm2835_gpio_wr(pc, GPAREN0 + i * 4, 0);  in bcm2835_pinctrl_probe()
1270 		bcm2835_gpio_wr(pc, GPAFEN0 + i * 4, 0);  in bcm2835_pinctrl_probe()
1273 		events = bcm2835_gpio_rd(pc, GPEDS0 + i * 4);  in bcm2835_pinctrl_probe()
1275 			bcm2835_gpio_wr(pc, GPEDS0 + i * 4, BIT(offset));  in bcm2835_pinctrl_probe()
1277 		raw_spin_lock_init(&pc->irq_lock[i]);  in bcm2835_pinctrl_probe()
1280 	pc->pctl_desc = *pdata->pctl_desc;  in bcm2835_pinctrl_probe()
1281 	pc->pctl_dev = devm_pinctrl_register(dev, &pc->pctl_desc, pc);  in bcm2835_pinctrl_probe()
1282 	if (IS_ERR(pc->pctl_dev)) {  in bcm2835_pinctrl_probe()
1283 		gpiochip_remove(&pc->gpio_chip);  in bcm2835_pinctrl_probe()
1284 		return PTR_ERR(pc->pctl_dev);  in bcm2835_pinctrl_probe()
1287 	pc->gpio_range = *pdata->gpio_range;  in bcm2835_pinctrl_probe()
1288 	pc->gpio_range.base = pc->gpio_chip.base;  in bcm2835_pinctrl_probe()
1289 	pc->gpio_range.gc = &pc->gpio_chip;  in bcm2835_pinctrl_probe()
1290 	pinctrl_add_gpio_range(pc->pctl_dev, &pc->gpio_range);  in bcm2835_pinctrl_probe()
1292 	girq = &pc->gpio_chip.irq;  in bcm2835_pinctrl_probe()
1305 		pc->wake_irq = devm_kcalloc(dev, BCM2835_NUM_IRQS,  in bcm2835_pinctrl_probe()
1306 					    sizeof(*pc->wake_irq),  in bcm2835_pinctrl_probe()
1308 		if (!pc->wake_irq) {  in bcm2835_pinctrl_probe()
1334 		pc->wake_irq[i] = irq_of_parse_and_map(np, i +  in bcm2835_pinctrl_probe()
1337 		len = strlen(dev_name(pc->dev)) + 16;  in bcm2835_pinctrl_probe()
1338 		name = devm_kzalloc(pc->dev, len, GFP_KERNEL);  in bcm2835_pinctrl_probe()
1344 		snprintf(name, len, "%s:bank%d", dev_name(pc->dev), i);  in bcm2835_pinctrl_probe()
1347 		err = devm_request_irq(dev, pc->wake_irq[i],  in bcm2835_pinctrl_probe()
1349 				       IRQF_SHARED, name, pc);  in bcm2835_pinctrl_probe()
1352 				 pc->wake_irq[i]);  in bcm2835_pinctrl_probe()
1358 	err = gpiochip_add_data(&pc->gpio_chip, pc);  in bcm2835_pinctrl_probe()
1367 	pinctrl_remove_gpio_range(pc->pctl_dev, &pc->gpio_range);  in bcm2835_pinctrl_probe()