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Message-Id: <20250811-gpio-mmio-pinctrl-conv-v1-4-a84c5da2be20@linaro.org>
Date: Mon, 11 Aug 2025 17:02:03 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Clément Le Goffic <legoffic.clement@...il.com>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 Alexandre Torgue <alexandre.torgue@...s.st.com>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Avi Fishman <avifishman70@...il.com>, 
 Tomer Maimon <tmaimon77@...il.com>, Tali Perry <tali.perry1@...il.com>, 
 Patrick Venture <venture@...gle.com>, Nancy Yuen <yuenn@...gle.com>, 
 Benjamin Fair <benjaminfair@...gle.com>, 
 Jonathan Neuschäfer <j.neuschaefer@....net>
Cc: linux-gpio@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 openbmc@...ts.ozlabs.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 4/5] pinctrl: npcm7xx: use new generic GPIO chip API

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Convert the driver to using the new generic GPIO chip interfaces from
linux/gpio/generic.h.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c | 181 +++++++++++++++---------------
 1 file changed, 90 insertions(+), 91 deletions(-)

diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
index b8872d8f5930ad931dad208afec4e08a23c3d653..c2ca71ebb9736d1b3043fa6626767811a67e61f2 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
@@ -4,6 +4,7 @@
 
 #include <linux/device.h>
 #include <linux/gpio/driver.h>
+#include <linux/gpio/generic.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/mfd/syscon.h>
@@ -77,7 +78,7 @@
 /* Structure for register banks */
 struct npcm7xx_gpio {
 	void __iomem		*base;
-	struct gpio_chip	gc;
+	struct gpio_generic_chip chip;
 	int			irqbase;
 	int			irq;
 	u32			pinctrl_id;
@@ -99,32 +100,26 @@ struct npcm7xx_pinctrl {
 };
 
 /* GPIO handling in the pinctrl driver */
-static void npcm_gpio_set(struct gpio_chip *gc, void __iomem *reg,
+static void npcm_gpio_set(struct gpio_generic_chip *chip, void __iomem *reg,
 			  unsigned int pinmask)
 {
-	unsigned long flags;
 	unsigned long val;
 
-	raw_spin_lock_irqsave(&gc->bgpio_lock, flags);
+	guard(gpio_generic_lock_irqsave)(chip);
 
 	val = ioread32(reg) | pinmask;
 	iowrite32(val, reg);
-
-	raw_spin_unlock_irqrestore(&gc->bgpio_lock, flags);
 }
 
-static void npcm_gpio_clr(struct gpio_chip *gc, void __iomem *reg,
+static void npcm_gpio_clr(struct gpio_generic_chip *chip, void __iomem *reg,
 			  unsigned int pinmask)
 {
-	unsigned long flags;
 	unsigned long val;
 
-	raw_spin_lock_irqsave(&gc->bgpio_lock, flags);
+	guard(gpio_generic_lock_irqsave)(chip);
 
 	val = ioread32(reg) & ~pinmask;
 	iowrite32(val, reg);
-
-	raw_spin_unlock_irqrestore(&gc->bgpio_lock, flags);
 }
 
 static void npcmgpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
@@ -132,9 +127,9 @@ static void npcmgpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 	struct npcm7xx_gpio *bank = gpiochip_get_data(chip);
 
 	seq_printf(s, "-- module %d [gpio%d - %d]\n",
-		   bank->gc.base / bank->gc.ngpio,
-		   bank->gc.base,
-		   bank->gc.base + bank->gc.ngpio);
+		   bank->chip.gc.base / bank->chip.gc.ngpio,
+		   bank->chip.gc.base,
+		   bank->chip.gc.base + bank->chip.gc.ngpio);
 	seq_printf(s, "DIN :%.8x DOUT:%.8x IE  :%.8x OE	 :%.8x\n",
 		   ioread32(bank->base + NPCM7XX_GP_N_DIN),
 		   ioread32(bank->base + NPCM7XX_GP_N_DOUT),
@@ -220,7 +215,7 @@ static void npcmgpio_irq_handler(struct irq_desc *desc)
 	chained_irq_enter(chip, desc);
 	sts = ioread32(bank->base + NPCM7XX_GP_N_EVST);
 	en  = ioread32(bank->base + NPCM7XX_GP_N_EVEN);
-	dev_dbg(bank->gc.parent, "==> got irq sts %.8lx %.8lx\n", sts,
+	dev_dbg(bank->chip.gc.parent, "==> got irq sts %.8lx %.8lx\n", sts,
 		en);
 
 	sts &= en;
@@ -235,42 +230,42 @@ static int npcmgpio_set_irq_type(struct irq_data *d, unsigned int type)
 	struct npcm7xx_gpio *bank = gpiochip_get_data(gc);
 	unsigned int gpio = BIT(irqd_to_hwirq(d));
 
-	dev_dbg(bank->gc.parent, "setirqtype: %u.%u = %u\n", gpio,
+	dev_dbg(bank->chip.gc.parent, "setirqtype: %u.%u = %u\n", gpio,
 		d->irq, type);
 	switch (type) {
 	case IRQ_TYPE_EDGE_RISING:
-		dev_dbg(bank->gc.parent, "edge.rising\n");
-		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_EVBE, gpio);
-		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_POL, gpio);
+		dev_dbg(bank->chip.gc.parent, "edge.rising\n");
+		npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_EVBE, gpio);
+		npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_POL, gpio);
 		break;
 	case IRQ_TYPE_EDGE_FALLING:
-		dev_dbg(bank->gc.parent, "edge.falling\n");
-		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_EVBE, gpio);
-		npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_POL, gpio);
+		dev_dbg(bank->chip.gc.parent, "edge.falling\n");
+		npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_EVBE, gpio);
+		npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_POL, gpio);
 		break;
 	case IRQ_TYPE_EDGE_BOTH:
-		dev_dbg(bank->gc.parent, "edge.both\n");
-		npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_EVBE, gpio);
+		dev_dbg(bank->chip.gc.parent, "edge.both\n");
+		npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_EVBE, gpio);
 		break;
 	case IRQ_TYPE_LEVEL_LOW:
-		dev_dbg(bank->gc.parent, "level.low\n");
-		npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_POL, gpio);
+		dev_dbg(bank->chip.gc.parent, "level.low\n");
+		npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_POL, gpio);
 		break;
 	case IRQ_TYPE_LEVEL_HIGH:
-		dev_dbg(bank->gc.parent, "level.high\n");
-		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_POL, gpio);
+		dev_dbg(bank->chip.gc.parent, "level.high\n");
+		npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_POL, gpio);
 		break;
 	default:
-		dev_dbg(bank->gc.parent, "invalid irq type\n");
+		dev_dbg(bank->chip.gc.parent, "invalid irq type\n");
 		return -EINVAL;
 	}
 
 	if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) {
-		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_EVTYP, gpio);
+		npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_EVTYP, gpio);
 		irq_set_handler_locked(d, handle_level_irq);
 	} else if (type & (IRQ_TYPE_EDGE_BOTH | IRQ_TYPE_EDGE_RISING
 			   | IRQ_TYPE_EDGE_FALLING)) {
-		npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_EVTYP, gpio);
+		npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_EVTYP, gpio);
 		irq_set_handler_locked(d, handle_edge_irq);
 	}
 
@@ -283,7 +278,7 @@ static void npcmgpio_irq_ack(struct irq_data *d)
 	struct npcm7xx_gpio *bank = gpiochip_get_data(gc);
 	unsigned int gpio = irqd_to_hwirq(d);
 
-	dev_dbg(bank->gc.parent, "irq_ack: %u.%u\n", gpio, d->irq);
+	dev_dbg(bank->chip.gc.parent, "irq_ack: %u.%u\n", gpio, d->irq);
 	iowrite32(BIT(gpio), bank->base + NPCM7XX_GP_N_EVST);
 }
 
@@ -295,7 +290,7 @@ static void npcmgpio_irq_mask(struct irq_data *d)
 	unsigned int gpio = irqd_to_hwirq(d);
 
 	/* Clear events */
-	dev_dbg(bank->gc.parent, "irq_mask: %u.%u\n", gpio, d->irq);
+	dev_dbg(bank->chip.gc.parent, "irq_mask: %u.%u\n", gpio, d->irq);
 	iowrite32(BIT(gpio), bank->base + NPCM7XX_GP_N_EVENC);
 	gpiochip_disable_irq(gc, gpio);
 }
@@ -309,7 +304,7 @@ static void npcmgpio_irq_unmask(struct irq_data *d)
 
 	/* Enable events */
 	gpiochip_enable_irq(gc, gpio);
-	dev_dbg(bank->gc.parent, "irq_unmask: %u.%u\n", gpio, d->irq);
+	dev_dbg(bank->chip.gc.parent, "irq_unmask: %u.%u\n", gpio, d->irq);
 	iowrite32(BIT(gpio), bank->base + NPCM7XX_GP_N_EVENS);
 }
 
@@ -1423,7 +1418,7 @@ static int npcm7xx_get_slew_rate(struct npcm7xx_gpio *bank,
 				 struct regmap *gcr_regmap, unsigned int pin)
 {
 	u32 val;
-	int gpio = (pin % bank->gc.ngpio);
+	int gpio = (pin % bank->chip.gc.ngpio);
 	unsigned long pinmask = BIT(gpio);
 
 	if (pincfg[pin].flag & SLEW)
@@ -1443,16 +1438,16 @@ static int npcm7xx_set_slew_rate(struct npcm7xx_gpio *bank,
 				 struct regmap *gcr_regmap, unsigned int pin,
 				 int arg)
 {
-	int gpio = BIT(pin % bank->gc.ngpio);
+	int gpio = BIT(pin % bank->chip.gc.ngpio);
 
 	if (pincfg[pin].flag & SLEW) {
 		switch (arg) {
 		case 0:
-			npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_OSRC,
+			npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_OSRC,
 				      gpio);
 			return 0;
 		case 1:
-			npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_OSRC,
+			npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_OSRC,
 				      gpio);
 			return 0;
 		default:
@@ -1485,7 +1480,7 @@ static int npcm7xx_get_drive_strength(struct pinctrl_dev *pctldev,
 	struct npcm7xx_pinctrl *npcm = pinctrl_dev_get_drvdata(pctldev);
 	struct npcm7xx_gpio *bank =
 		&npcm->gpio_bank[pin / NPCM7XX_GPIO_PER_BANK];
-	int gpio = (pin % bank->gc.ngpio);
+	int gpio = (pin % bank->chip.gc.ngpio);
 	unsigned long pinmask = BIT(gpio);
 	u32 ds = 0;
 	int flg, val;
@@ -1496,7 +1491,7 @@ static int npcm7xx_get_drive_strength(struct pinctrl_dev *pctldev,
 		val = ioread32(bank->base + NPCM7XX_GP_N_ODSC)
 		& pinmask;
 		ds = val ? DSHI(flg) : DSLO(flg);
-		dev_dbg(bank->gc.parent,
+		dev_dbg(bank->chip.gc.parent,
 			"pin %d strength %d = %d\n", pin, val, ds);
 		return ds;
 	}
@@ -1511,20 +1506,20 @@ static int npcm7xx_set_drive_strength(struct npcm7xx_pinctrl *npcm,
 	int v;
 	struct npcm7xx_gpio *bank =
 		&npcm->gpio_bank[pin / NPCM7XX_GPIO_PER_BANK];
-	int gpio = BIT(pin % bank->gc.ngpio);
+	int gpio = BIT(pin % bank->chip.gc.ngpio);
 
 	v = (pincfg[pin].flag & DRIVE_STRENGTH_MASK);
 	if (!nval || !v)
 		return -ENOTSUPP;
 	if (DSLO(v) == nval) {
-		dev_dbg(bank->gc.parent,
+		dev_dbg(bank->chip.gc.parent,
 			"setting pin %d to low strength [%d]\n", pin, nval);
-		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_ODSC, gpio);
+		npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_ODSC, gpio);
 		return 0;
 	} else if (DSHI(v) == nval) {
-		dev_dbg(bank->gc.parent,
+		dev_dbg(bank->chip.gc.parent,
 			"setting pin %d to high strength [%d]\n", pin, nval);
-		npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_ODSC, gpio);
+		npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_ODSC, gpio);
 		return 0;
 	}
 
@@ -1657,9 +1652,9 @@ static int npcm_gpio_set_direction(struct pinctrl_dev *pctldev,
 	struct npcm7xx_pinctrl *npcm = pinctrl_dev_get_drvdata(pctldev);
 	struct npcm7xx_gpio *bank =
 		&npcm->gpio_bank[offset / NPCM7XX_GPIO_PER_BANK];
-	int gpio = BIT(offset % bank->gc.ngpio);
+	int gpio = BIT(offset % bank->chip.gc.ngpio);
 
-	dev_dbg(bank->gc.parent, "GPIO Set Direction: %d = %d\n", offset,
+	dev_dbg(bank->chip.gc.parent, "GPIO Set Direction: %d = %d\n", offset,
 		input);
 	if (input)
 		iowrite32(gpio, bank->base + NPCM7XX_GP_N_OEC);
@@ -1687,7 +1682,7 @@ static int npcm7xx_config_get(struct pinctrl_dev *pctldev, unsigned int pin,
 	struct npcm7xx_pinctrl *npcm = pinctrl_dev_get_drvdata(pctldev);
 	struct npcm7xx_gpio *bank =
 		&npcm->gpio_bank[pin / NPCM7XX_GPIO_PER_BANK];
-	int gpio = (pin % bank->gc.ngpio);
+	int gpio = (pin % bank->chip.gc.ngpio);
 	unsigned long pinmask = BIT(gpio);
 	u32 ie, oe, pu, pd;
 	int rc = 0;
@@ -1750,38 +1745,38 @@ static int npcm7xx_config_set_one(struct npcm7xx_pinctrl *npcm,
 	u16 arg = pinconf_to_config_argument(config);
 	struct npcm7xx_gpio *bank =
 		&npcm->gpio_bank[pin / NPCM7XX_GPIO_PER_BANK];
-	int gpio = BIT(pin % bank->gc.ngpio);
+	int gpio = BIT(pin % bank->chip.gc.ngpio);
 
-	dev_dbg(bank->gc.parent, "param=%d %d[GPIO]\n", param, pin);
+	dev_dbg(bank->chip.gc.parent, "param=%d %d[GPIO]\n", param, pin);
 	switch (param) {
 	case PIN_CONFIG_BIAS_DISABLE:
-		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_PU, gpio);
-		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_PD, gpio);
+		npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_PU, gpio);
+		npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_PD, gpio);
 		break;
 	case PIN_CONFIG_BIAS_PULL_DOWN:
-		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_PU, gpio);
-		npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_PD, gpio);
+		npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_PU, gpio);
+		npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_PD, gpio);
 		break;
 	case PIN_CONFIG_BIAS_PULL_UP:
-		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_PD, gpio);
-		npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_PU, gpio);
+		npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_PD, gpio);
+		npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_PU, gpio);
 		break;
 	case PIN_CONFIG_INPUT_ENABLE:
 		iowrite32(gpio, bank->base + NPCM7XX_GP_N_OEC);
-		bank->direction_input(&bank->gc, pin % bank->gc.ngpio);
+		bank->direction_input(&bank->chip.gc, pin % bank->chip.gc.ngpio);
 		break;
 	case PIN_CONFIG_OUTPUT:
-		bank->direction_output(&bank->gc, pin % bank->gc.ngpio, arg);
+		bank->direction_output(&bank->chip.gc, pin % bank->chip.gc.ngpio, arg);
 		iowrite32(gpio, bank->base + NPCM7XX_GP_N_OES);
 		break;
 	case PIN_CONFIG_DRIVE_PUSH_PULL:
-		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_OTYP, gpio);
+		npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_OTYP, gpio);
 		break;
 	case PIN_CONFIG_DRIVE_OPEN_DRAIN:
-		npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_OTYP, gpio);
+		npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_OTYP, gpio);
 		break;
 	case PIN_CONFIG_INPUT_DEBOUNCE:
-		npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_DBNC, gpio);
+		npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_DBNC, gpio);
 		break;
 	case PIN_CONFIG_SLEW_RATE:
 		return npcm7xx_set_slew_rate(bank, npcm->gcr_regmap, pin, arg);
@@ -1829,6 +1824,7 @@ static const struct pinctrl_desc npcm7xx_pinctrl_desc = {
 
 static int npcm7xx_gpio_of(struct npcm7xx_pinctrl *pctrl)
 {
+	struct gpio_generic_chip_config config;
 	int ret = -ENXIO;
 	struct device *dev = pctrl->dev;
 	struct fwnode_reference_args args;
@@ -1840,15 +1836,18 @@ static int npcm7xx_gpio_of(struct npcm7xx_pinctrl *pctrl)
 		if (!pctrl->gpio_bank[id].base)
 			return -EINVAL;
 
-		ret = bgpio_init(&pctrl->gpio_bank[id].gc, dev, 4,
-				 pctrl->gpio_bank[id].base + NPCM7XX_GP_N_DIN,
-				 pctrl->gpio_bank[id].base + NPCM7XX_GP_N_DOUT,
-				 NULL,
-				 NULL,
-				 pctrl->gpio_bank[id].base + NPCM7XX_GP_N_IEM,
-				 BGPIOF_READ_OUTPUT_REG_SET);
+		config = (typeof(config)){
+			.dev = dev,
+			.sz = 4,
+			.dat = pctrl->gpio_bank[id].base + NPCM7XX_GP_N_DIN,
+			.set = pctrl->gpio_bank[id].base + NPCM7XX_GP_N_DOUT,
+			.dirin = pctrl->gpio_bank[id].base + NPCM7XX_GP_N_IEM,
+			.flags = BGPIOF_READ_OUTPUT_REG_SET,
+		};
+
+		ret = gpio_generic_chip_init(&pctrl->gpio_bank[id].chip, &config);
 		if (ret) {
-			dev_err(dev, "bgpio_init() failed\n");
+			dev_err(dev, "failed to initialize the generic GPIO chip\n");
 			return ret;
 		}
 
@@ -1866,23 +1865,23 @@ static int npcm7xx_gpio_of(struct npcm7xx_pinctrl *pctrl)
 		pctrl->gpio_bank[id].irq = ret;
 		pctrl->gpio_bank[id].irqbase = id * NPCM7XX_GPIO_PER_BANK;
 		pctrl->gpio_bank[id].pinctrl_id = args.args[0];
-		pctrl->gpio_bank[id].gc.base = args.args[1];
-		pctrl->gpio_bank[id].gc.ngpio = args.args[2];
-		pctrl->gpio_bank[id].gc.owner = THIS_MODULE;
-		pctrl->gpio_bank[id].gc.parent = dev;
-		pctrl->gpio_bank[id].gc.fwnode = child;
-		pctrl->gpio_bank[id].gc.label = devm_kasprintf(dev, GFP_KERNEL, "%pfw", child);
-		if (pctrl->gpio_bank[id].gc.label == NULL)
+		pctrl->gpio_bank[id].chip.gc.base = args.args[1];
+		pctrl->gpio_bank[id].chip.gc.ngpio = args.args[2];
+		pctrl->gpio_bank[id].chip.gc.owner = THIS_MODULE;
+		pctrl->gpio_bank[id].chip.gc.parent = dev;
+		pctrl->gpio_bank[id].chip.gc.fwnode = child;
+		pctrl->gpio_bank[id].chip.gc.label = devm_kasprintf(dev, GFP_KERNEL, "%pfw", child);
+		if (pctrl->gpio_bank[id].chip.gc.label == NULL)
 			return -ENOMEM;
 
-		pctrl->gpio_bank[id].gc.dbg_show = npcmgpio_dbg_show;
-		pctrl->gpio_bank[id].direction_input = pctrl->gpio_bank[id].gc.direction_input;
-		pctrl->gpio_bank[id].gc.direction_input = npcmgpio_direction_input;
-		pctrl->gpio_bank[id].direction_output = pctrl->gpio_bank[id].gc.direction_output;
-		pctrl->gpio_bank[id].gc.direction_output = npcmgpio_direction_output;
-		pctrl->gpio_bank[id].request = pctrl->gpio_bank[id].gc.request;
-		pctrl->gpio_bank[id].gc.request = npcmgpio_gpio_request;
-		pctrl->gpio_bank[id].gc.free = pinctrl_gpio_free;
+		pctrl->gpio_bank[id].chip.gc.dbg_show = npcmgpio_dbg_show;
+		pctrl->gpio_bank[id].direction_input = pctrl->gpio_bank[id].chip.gc.direction_input;
+		pctrl->gpio_bank[id].chip.gc.direction_input = npcmgpio_direction_input;
+		pctrl->gpio_bank[id].direction_output = pctrl->gpio_bank[id].chip.gc.direction_output;
+		pctrl->gpio_bank[id].chip.gc.direction_output = npcmgpio_direction_output;
+		pctrl->gpio_bank[id].request = pctrl->gpio_bank[id].chip.gc.request;
+		pctrl->gpio_bank[id].chip.gc.request = npcmgpio_gpio_request;
+		pctrl->gpio_bank[id].chip.gc.free = pinctrl_gpio_free;
 		id++;
 	}
 
@@ -1897,7 +1896,7 @@ static int npcm7xx_gpio_register(struct npcm7xx_pinctrl *pctrl)
 	for (id = 0 ; id < pctrl->bank_num ; id++) {
 		struct gpio_irq_chip *girq;
 
-		girq = &pctrl->gpio_bank[id].gc.irq;
+		girq = &pctrl->gpio_bank[id].chip.gc.irq;
 		gpio_irq_chip_set_chip(girq, &npcmgpio_irqchip);
 		girq->parent_handler = npcmgpio_irq_handler;
 		girq->num_parents = 1;
@@ -1912,21 +1911,21 @@ static int npcm7xx_gpio_register(struct npcm7xx_pinctrl *pctrl)
 		girq->default_type = IRQ_TYPE_NONE;
 		girq->handler = handle_level_irq;
 		ret = devm_gpiochip_add_data(pctrl->dev,
-					     &pctrl->gpio_bank[id].gc,
+					     &pctrl->gpio_bank[id].chip.gc,
 					     &pctrl->gpio_bank[id]);
 		if (ret) {
 			dev_err(pctrl->dev, "Failed to add GPIO chip %u\n", id);
 			goto err_register;
 		}
 
-		ret = gpiochip_add_pin_range(&pctrl->gpio_bank[id].gc,
+		ret = gpiochip_add_pin_range(&pctrl->gpio_bank[id].chip.gc,
 					     dev_name(pctrl->dev),
 					     pctrl->gpio_bank[id].pinctrl_id,
-					     pctrl->gpio_bank[id].gc.base,
-					     pctrl->gpio_bank[id].gc.ngpio);
+					     pctrl->gpio_bank[id].chip.gc.base,
+					     pctrl->gpio_bank[id].chip.gc.ngpio);
 		if (ret < 0) {
 			dev_err(pctrl->dev, "Failed to add GPIO bank %u\n", id);
-			gpiochip_remove(&pctrl->gpio_bank[id].gc);
+			gpiochip_remove(&pctrl->gpio_bank[id].chip.gc);
 			goto err_register;
 		}
 	}
@@ -1935,7 +1934,7 @@ static int npcm7xx_gpio_register(struct npcm7xx_pinctrl *pctrl)
 
 err_register:
 	for (; id > 0; id--)
-		gpiochip_remove(&pctrl->gpio_bank[id - 1].gc);
+		gpiochip_remove(&pctrl->gpio_bank[id - 1].chip.gc);
 
 	return ret;
 }

-- 
2.48.1


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