From c3174e0f503371a04a8045ddf514490124e7a377 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@ti.com>
Date: Tue, 10 Jul 2012 15:06:11 -0700
Subject: [PATCH] --- yaml --- r: 326660 b: refs/heads/master c:
 9634c8dd6a729406e89aed4e29470e3ffb3cd060 h: refs/heads/master v: v3

---
 [refs]                                 |  2 +-
 trunk/arch/arm/plat-omap/omap_device.c | 38 ++++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 212bfff26b76..ac6f7d80c27f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 72bb6f9b51c82c820ddef892455a85b115460904
+refs/heads/master: 9634c8dd6a729406e89aed4e29470e3ffb3cd060
diff --git a/trunk/arch/arm/plat-omap/omap_device.c b/trunk/arch/arm/plat-omap/omap_device.c
index 150112e3ffc8..0f519829e795 100644
--- a/trunk/arch/arm/plat-omap/omap_device.c
+++ b/trunk/arch/arm/plat-omap/omap_device.c
@@ -1133,3 +1133,41 @@ static int __init omap_device_init(void)
 	return 0;
 }
 core_initcall(omap_device_init);
+
+/**
+ * omap_device_late_idle - idle devices without drivers
+ * @dev: struct device * associated with omap_device
+ * @data: unused
+ *
+ * Check the driver bound status of this device, and idle it
+ * if there is no driver attached.
+ */
+static int __init omap_device_late_idle(struct device *dev, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omap_device *od = to_omap_device(pdev);
+
+	if (!od)
+		return 0;
+
+	/*
+	 * If omap_device state is enabled, but has no driver bound,
+	 * idle it.
+	 */
+	if (od->_driver_status != BUS_NOTIFY_BOUND_DRIVER) {
+		if (od->_state == OMAP_DEVICE_STATE_ENABLED) {
+			dev_warn(dev, "%s: enabled but no driver.  Idling\n",
+				 __func__);
+			omap_device_idle(pdev);
+		}
+	}
+
+	return 0;
+}
+
+static int __init omap_device_late_init(void)
+{
+	bus_for_each_dev(&platform_bus_type, NULL, NULL, omap_device_late_idle);
+	return 0;
+}
+late_initcall(omap_device_late_init);