Merge Linus master into drm-next

The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.

I've included the patch into the merge to fix the build.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 46 insertions, 17 deletions

diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index c49522efa7b3..fd3977465948 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -14,6 +14,7 @@
  * GNU General Public License for more details.
  */
 
+#include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/gpio.h>
 #include <linux/init.h>
@@ -37,20 +38,22 @@ struct gpio_rcar_priv {
 	struct platform_device *pdev;
 	struct gpio_chip gpio_chip;
 	struct irq_chip irq_chip;
+	unsigned int irq_parent;
+	struct clk *clk;
 };
 
-#define IOINTSEL 0x00
-#define INOUTSEL 0x04
-#define OUTDT 0x08
-#define INDT 0x0c
-#define INTDT 0x10
-#define INTCLR 0x14
-#define INTMSK 0x18
-#define MSKCLR 0x1c
-#define POSNEG 0x20
-#define EDGLEVEL 0x24
-#define FILONOFF 0x28
-#define BOTHEDGE 0x4c
+#define IOINTSEL 0x00	/* General IO/Interrupt Switching Register */
+#define INOUTSEL 0x04	/* General Input/Output Switching Register */
+#define OUTDT 0x08	/* General Output Register */
+#define INDT 0x0c	/* General Input Register */
+#define INTDT 0x10	/* Interrupt Display Register */
+#define INTCLR 0x14	/* Interrupt Clear Register */
+#define INTMSK 0x18	/* Interrupt Mask Register */
+#define MSKCLR 0x1c	/* Interrupt Mask Clear Register */
+#define POSNEG 0x20	/* Positive/Negative Logic Select Register */
+#define EDGLEVEL 0x24	/* Edge/level Select Register */
+#define FILONOFF 0x28	/* Chattering Prevention On/Off Register */
+#define BOTHEDGE 0x4c	/* One Edge/Both Edge Select Register */
 
 #define RCAR_MAX_GPIO_PER_BANK		32
 
@@ -169,6 +172,25 @@ static int gpio_rcar_irq_set_type(struct irq_data *d, unsigned int type)
 	return 0;
 }
 
+static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on)
+{
+	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);
+
+	irq_set_irq_wake(p->irq_parent, on);
+
+	if (!p->clk)
+		return 0;
+
+	if (on)
+		clk_enable(p->clk);
+	else
+		clk_disable(p->clk);
+
+	return 0;
+}
+
 static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id)
 {
 	struct gpio_rcar_priv *p = dev_id;
@@ -367,6 +389,12 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, p);
 
+	p->clk = devm_clk_get(dev, NULL);
+	if (IS_ERR(p->clk)) {
+		dev_warn(dev, "unable to get clock\n");
+		p->clk = NULL;
+	}
+
 	pm_runtime_enable(dev);
 	pm_runtime_get_sync(dev);
 
@@ -404,8 +432,8 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 	irq_chip->irq_mask = gpio_rcar_irq_disable;
 	irq_chip->irq_unmask = gpio_rcar_irq_enable;
 	irq_chip->irq_set_type = gpio_rcar_irq_set_type;
-	irq_chip->flags	= IRQCHIP_SKIP_SET_WAKE | IRQCHIP_SET_TYPE_MASKED
-			 | IRQCHIP_MASK_ON_SUSPEND;
+	irq_chip->irq_set_wake = gpio_rcar_irq_set_wake;
+	irq_chip->flags	= IRQCHIP_SET_TYPE_MASKED | IRQCHIP_MASK_ON_SUSPEND;
 
 	ret = gpiochip_add(gpio_chip);
 	if (ret) {
@@ -413,13 +441,14 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 		goto err0;
 	}
 
-	ret = gpiochip_irqchip_add(&p->gpio_chip, irq_chip, p->config.irq_base,
+	ret = gpiochip_irqchip_add(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;
 	}
 
+	p->irq_parent = irq->start;
 	if (devm_request_irq(dev, irq->start, gpio_rcar_irq_handler,
 			     IRQF_SHARED, name, p)) {
 		dev_err(dev, "failed to request IRQ\n");
@@ -431,7 +460,7 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 
 	/* warn in case of mismatch if irq base is specified */
 	if (p->config.irq_base) {
-		ret = irq_find_mapping(p->gpio_chip.irqdomain, 0);
+		ret = irq_find_mapping(gpio_chip->irqdomain, 0);
 		if (p->config.irq_base != ret)
 			dev_warn(dev, "irq base mismatch (%u/%u)\n",
 				 p->config.irq_base, ret);
@@ -447,7 +476,7 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 	return 0;
 
 err1:
-	gpiochip_remove(&p->gpio_chip);
+	gpiochip_remove(gpio_chip);
 err0:
 	pm_runtime_put(dev);
 	pm_runtime_disable(dev);