Merge tag 'gpio-v3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO changes from Linus Walleij:
 "This is the GPIO bulk changes for the v3.20 series:

  GPIOLIB core changes:
   - Create and use of_mm_gpiochip_remove() for removing memory-mapped
     OF GPIO chips
   - GPIO MMIO library suppports bgpio_set_multiple for switching
     several lines at once, a feature merged in the last cycle.

  New drivers:
   - New driver for the APM X-gene standby GPIO controller
   - New driver for the Fujitsu MB86S7x GPIO controller

  Cleanups:
   - Moved rcar driver to use gpiolib irqchip
   - Moxart converted to the GPIO MMIO library
   - GE driver converted to GPIO MMIO library
   - Move sx150x to irqdomain
   - Move max732x to irqdomain
   - Move vx855 to use managed resources
   - Move dwapb to use managed resources
   - Clean tc3589x from platform data
   - Clean stmpe driver to use device tree only probe

  New subtypes:
   - sx1506 support in the sx150x driver
   - Quark 1000 SoC support in the SCH driver
   - Support X86 in the Xilinx driver
   - Support PXA1928 in the PXA driver

  Extended drivers:
   - max732x supports device tree probe
   - sx150x supports device tree probe

  Various minor cleanups and bug fixes"

* tag 'gpio-v3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (61 commits)
  gpio: kconfig: replace PPC_OF with PPC
  gpio: pxa: add PXA1928 gpio type support
  dt/bindings: gpio: add compatible string for marvell,pxa1928-gpio
  gpio: pxa: remove mach IRQ includes
  gpio: max732x: use an inline function for container cast
  gpio: use sizeof() instead of hardcoded values
  gpio: max732x: add set_multiple function
  gpio: sch: Consolidate similar algorithms
  gpio: tz1090-pdc: Use resource_size to fix off-by-one resource size calculation
  gpio: ge: Convert to use devm_kstrdup
  gpio: correctly use const char * const
  gpio: sx150x: fixup OF support
  gpio: mpc8xxx: Use of_mm_gpiochip_remove
  gpio: Add Fujitsu MB86S7x GPIO driver
  gpio: mpc8xxx: Convert to platform device interface.
  gpio: zevio: Use of_mm_gpiochip_remove
  gpio: gpio-mm-lantiq: Use of_mm_gpiochip_remove
  gpio: gpio-mm-lantiq: Use of_property_read_u32
  gpio: gpio-mm-lantiq: Do not replicate code
  gpio :gpio-mm-lantiq: Use devm_kzalloc
  ...

1 files changed, 25 insertions, 50 deletions

diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index 584484e3f1e3..c49522efa7b3 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -21,7 +21,6 @@
 #include <linux/io.h>
 #include <linux/ioport.h>
 #include <linux/irq.h>
-#include <linux/irqdomain.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/pinctrl/consumer.h>
@@ -38,7 +37,6 @@ struct gpio_rcar_priv {
 	struct platform_device *pdev;
 	struct gpio_chip gpio_chip;
 	struct irq_chip irq_chip;
-	struct irq_domain *irq_domain;
 };
 
 #define IOINTSEL 0x00
@@ -82,14 +80,18 @@ static void gpio_rcar_modify_bit(struct gpio_rcar_priv *p, int offs,
 
 static void gpio_rcar_irq_disable(struct irq_data *d)
 {
-	struct gpio_rcar_priv *p = irq_data_get_irq_chip_data(d);
+	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+	struct gpio_rcar_priv *p = container_of(gc, struct gpio_rcar_priv,
+						gpio_chip);
 
 	gpio_rcar_write(p, INTMSK, ~BIT(irqd_to_hwirq(d)));
 }
 
 static void gpio_rcar_irq_enable(struct irq_data *d)
 {
-	struct gpio_rcar_priv *p = irq_data_get_irq_chip_data(d);
+	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+	struct gpio_rcar_priv *p = container_of(gc, struct gpio_rcar_priv,
+						gpio_chip);
 
 	gpio_rcar_write(p, MSKCLR, BIT(irqd_to_hwirq(d)));
 }
@@ -131,7 +133,9 @@ static void gpio_rcar_config_interrupt_input_mode(struct gpio_rcar_priv *p,
 
 static int gpio_rcar_irq_set_type(struct irq_data *d, unsigned int type)
 {
-	struct gpio_rcar_priv *p = irq_data_get_irq_chip_data(d);
+	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+	struct gpio_rcar_priv *p = container_of(gc, struct gpio_rcar_priv,
+						gpio_chip);
 	unsigned int hwirq = irqd_to_hwirq(d);
 
 	dev_dbg(&p->pdev->dev, "sense irq = %d, type = %d\n", hwirq, type);
@@ -175,7 +179,8 @@ static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id)
 			  gpio_rcar_read(p, INTMSK))) {
 		offset = __ffs(pending);
 		gpio_rcar_write(p, INTCLR, BIT(offset));
-		generic_handle_irq(irq_find_mapping(p->irq_domain, offset));
+		generic_handle_irq(irq_find_mapping(p->gpio_chip.irqdomain,
+						    offset));
 		irqs_handled++;
 	}
 
@@ -265,29 +270,6 @@ static int gpio_rcar_direction_output(struct gpio_chip *chip, unsigned offset,
 	return 0;
 }
 
-static int gpio_rcar_to_irq(struct gpio_chip *chip, unsigned offset)
-{
-	return irq_create_mapping(gpio_to_priv(chip)->irq_domain, offset);
-}
-
-static int gpio_rcar_irq_domain_map(struct irq_domain *h, unsigned int irq,
-				 irq_hw_number_t hwirq)
-{
-	struct gpio_rcar_priv *p = h->host_data;
-
-	dev_dbg(&p->pdev->dev, "map hw irq = %d, irq = %d\n", (int)hwirq, irq);
-
-	irq_set_chip_data(irq, h->host_data);
-	irq_set_chip_and_handler(irq, &p->irq_chip, handle_level_irq);
-	set_irq_flags(irq, IRQF_VALID); /* kill me now */
-	return 0;
-}
-
-static struct irq_domain_ops gpio_rcar_irq_domain_ops = {
-	.map	= gpio_rcar_irq_domain_map,
-	.xlate	= irq_domain_xlate_twocell,
-};
-
 struct gpio_rcar_info {
 	bool has_both_edge_trigger;
 };
@@ -372,10 +354,8 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 	int ret;
 
 	p = devm_kzalloc(dev, sizeof(*p), GFP_KERNEL);
-	if (!p) {
-		ret = -ENOMEM;
-		goto err0;
-	}
+	if (!p)
+		return -ENOMEM;
 
 	p->pdev = pdev;
 	spin_lock_init(&p->lock);
@@ -413,7 +393,6 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 	gpio_chip->get = gpio_rcar_get;
 	gpio_chip->direction_output = gpio_rcar_direction_output;
 	gpio_chip->set = gpio_rcar_set;
-	gpio_chip->to_irq = gpio_rcar_to_irq;
 	gpio_chip->label = name;
 	gpio_chip->dev = dev;
 	gpio_chip->owner = THIS_MODULE;
@@ -428,16 +407,19 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 	irq_chip->flags	= IRQCHIP_SKIP_SET_WAKE | IRQCHIP_SET_TYPE_MASKED
 			 | IRQCHIP_MASK_ON_SUSPEND;
 
-	p->irq_domain = irq_domain_add_simple(pdev->dev.of_node,
-					      p->config.number_of_pins,
-					      p->config.irq_base,
-					      &gpio_rcar_irq_domain_ops, p);
-	if (!p->irq_domain) {
-		ret = -ENXIO;
-		dev_err(dev, "cannot initialize irq domain\n");
+	ret = gpiochip_add(gpio_chip);
+	if (ret) {
+		dev_err(dev, "failed to add GPIO controller\n");
 		goto err0;
 	}
 
+	ret = gpiochip_irqchip_add(&p->gpio_chip, irq_chip, p->config.irq_base,
+				   handle_level_irq, IRQ_TYPE_NONE);
+	if (ret) {
+		dev_err(dev, "cannot add irqchip\n");
+		goto err1;
+	}
+
 	if (devm_request_irq(dev, irq->start, gpio_rcar_irq_handler,
 			     IRQF_SHARED, name, p)) {
 		dev_err(dev, "failed to request IRQ\n");
@@ -445,17 +427,11 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 		goto err1;
 	}
 
-	ret = gpiochip_add(gpio_chip);
-	if (ret) {
-		dev_err(dev, "failed to add GPIO controller\n");
-		goto err1;
-	}
-
 	dev_info(dev, "driving %d GPIOs\n", p->config.number_of_pins);
 
 	/* warn in case of mismatch if irq base is specified */
 	if (p->config.irq_base) {
-		ret = irq_find_mapping(p->irq_domain, 0);
+		ret = irq_find_mapping(p->gpio_chip.irqdomain, 0);
 		if (p->config.irq_base != ret)
 			dev_warn(dev, "irq base mismatch (%u/%u)\n",
 				 p->config.irq_base, ret);
@@ -471,7 +447,7 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 	return 0;
 
 err1:
-	irq_domain_remove(p->irq_domain);
+	gpiochip_remove(&p->gpio_chip);
 err0:
 	pm_runtime_put(dev);
 	pm_runtime_disable(dev);
@@ -484,7 +460,6 @@ static int gpio_rcar_remove(struct platform_device *pdev)
 
 	gpiochip_remove(&p->gpio_chip);
 
-	irq_domain_remove(p->irq_domain);
 	pm_runtime_put(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 	return 0;