4 files changed, 80 insertions, 14 deletions

diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index c9122dd6ee8d..964704f40bbe 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -480,13 +480,10 @@ static struct dentry *clk_debugfs_root;
 static int clk_debugfs_register_one(struct clk *c)
 {
 	int err;
-	struct dentry *d, *child, *child_tmp;
+	struct dentry *d;
 	struct clk *pa = c->parent;
-	char s[255];
-	char *p = s;
 
-	p += sprintf(p, "%s", c->name);
-	d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root);
+	d = debugfs_create_dir(c->name, pa ? pa->dent : clk_debugfs_root);
 	if (!d)
 		return -ENOMEM;
 	c->dent = d;
@@ -509,10 +506,7 @@ static int clk_debugfs_register_one(struct clk *c)
 	return 0;
 
 err_out:
-	d = c->dent;
-	list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child)
-		debugfs_remove(child);
-	debugfs_remove(c->dent);
+	debugfs_remove_recursive(c->dent);
 	return err;
 }
 
diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h
index ec97e00cb581..91e8de3db085 100644
--- a/arch/arm/plat-omap/include/plat/gpio.h
+++ b/arch/arm/plat-omap/include/plat/gpio.h
@@ -174,12 +174,32 @@ struct omap_gpio_dev_attr {
 	bool dbck_flag;		/* dbck required or not - True for OMAP3&4 */
 };
 
+struct omap_gpio_reg_offs {
+	u16 revision;
+	u16 direction;
+	u16 datain;
+	u16 dataout;
+	u16 set_dataout;
+	u16 clr_dataout;
+	u16 irqstatus;
+	u16 irqstatus2;
+	u16 irqenable;
+	u16 set_irqenable;
+	u16 clr_irqenable;
+	u16 debounce;
+	u16 debounce_en;
+
+	bool irqenable_inv;
+};
+
 struct omap_gpio_platform_data {
 	u16 virtual_irq_start;
 	int bank_type;
 	int bank_width;		/* GPIO bank width */
 	int bank_stride;	/* Only needed for omap1 MPUIO */
 	bool dbck_flag;		/* dbck required or not - True for OMAP3&4 */
+
+	struct omap_gpio_reg_offs *regs;
 };
 
 /* TODO: Analyze removing gpio_bank_count usage from driver code */
diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h
index e4c349ff9fd8..ee405b36df4b 100644
--- a/arch/arm/plat-omap/include/plat/omap_device.h
+++ b/arch/arm/plat-omap/include/plat/omap_device.h
@@ -44,6 +44,10 @@ extern struct device omap_device_parent;
 #define OMAP_DEVICE_STATE_IDLE		2
 #define OMAP_DEVICE_STATE_SHUTDOWN	3
 
+/* omap_device.flags values */
+#define OMAP_DEVICE_SUSPENDED BIT(0)
+#define OMAP_DEVICE_NO_IDLE_ON_SUSPEND BIT(1)
+
 /**
  * struct omap_device - omap_device wrapper for platform_devices
  * @pdev: platform_device
@@ -73,6 +77,7 @@ struct omap_device {
 	s8				pm_lat_level;
 	u8				hwmods_cnt;
 	u8				_state;
+	u8                              flags;
 };
 
 /* Device driver interface (call via platform_data fn ptrs) */
@@ -117,6 +122,10 @@ int omap_device_enable_hwmods(struct omap_device *od);
 int omap_device_disable_clocks(struct omap_device *od);
 int omap_device_enable_clocks(struct omap_device *od);
 
+static inline void omap_device_disable_idle_on_suspend(struct omap_device *od)
+{
+	od->flags |= OMAP_DEVICE_NO_IDLE_ON_SUSPEND;
+}
 
 /*
  * Entries should be kept in latency order ascending
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index 49fc0df0c21f..2526fa312b8a 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -537,6 +537,7 @@ int omap_early_device_register(struct omap_device *od)
 	return 0;
 }
 
+#ifdef CONFIG_PM_RUNTIME
 static int _od_runtime_suspend(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
@@ -563,13 +564,55 @@ static int _od_runtime_resume(struct device *dev)
 
 	return pm_generic_runtime_resume(dev);
 }
+#endif
 
-static struct dev_power_domain omap_device_power_domain = {
+#ifdef CONFIG_SUSPEND
+static int _od_suspend_noirq(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omap_device *od = to_omap_device(pdev);
+	int ret;
+
+	if (od->flags & OMAP_DEVICE_NO_IDLE_ON_SUSPEND)
+		return pm_generic_suspend_noirq(dev);
+
+	ret = pm_generic_suspend_noirq(dev);
+
+	if (!ret && !pm_runtime_status_suspended(dev)) {
+		if (pm_generic_runtime_suspend(dev) == 0) {
+			omap_device_idle(pdev);
+			od->flags |= OMAP_DEVICE_SUSPENDED;
+		}
+	}
+
+	return ret;
+}
+
+static int _od_resume_noirq(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omap_device *od = to_omap_device(pdev);
+
+	if (od->flags & OMAP_DEVICE_NO_IDLE_ON_SUSPEND)
+		return pm_generic_resume_noirq(dev);
+
+	if ((od->flags & OMAP_DEVICE_SUSPENDED) &&
+	    !pm_runtime_status_suspended(dev)) {
+		od->flags &= ~OMAP_DEVICE_SUSPENDED;
+		omap_device_enable(pdev);
+		pm_generic_runtime_resume(dev);
+	}
+
+	return pm_generic_resume_noirq(dev);
+}
+#endif
+
+static struct dev_pm_domain omap_device_pm_domain = {
 	.ops = {
-		.runtime_suspend = _od_runtime_suspend,
-		.runtime_idle = _od_runtime_idle,
-		.runtime_resume = _od_runtime_resume,
+		SET_RUNTIME_PM_OPS(_od_runtime_suspend, _od_runtime_resume,
+				   _od_runtime_idle)
 		USE_PLATFORM_PM_SLEEP_OPS
+		SET_SYSTEM_SLEEP_PM_OPS(_od_suspend_noirq, _od_resume_noirq)
 	}
 };
 
@@ -586,7 +629,7 @@ int omap_device_register(struct omap_device *od)
 	pr_debug("omap_device: %s: registering\n", od->pdev.name);
 
 	od->pdev.dev.parent = &omap_device_parent;
-	od->pdev.dev.pwr_domain = &omap_device_power_domain;
+	od->pdev.dev.pm_domain = &omap_device_pm_domain;
 	return platform_device_register(&od->pdev);
 }