From fda41cdc6be06b0bb42a8fef2f405550118c627b Mon Sep 17 00:00:00 2001
From: Nishanth Menon <nm@ti.com>
Date: Wed, 27 Jul 2011 15:02:32 -0500
Subject: [PATCH] --- yaml --- r: 272898 b: refs/heads/master c:
 1f8a7d5207a2a343af7c3b18fcc65dc6aa1fb068 h: refs/heads/master v: v3

---
 [refs]                                        |  2 +-
 .../arm/plat-omap/include/plat/omap_device.h  |  1 +
 trunk/arch/arm/plat-omap/omap_device.c        | 36 +++++++++++++++++++
 3 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index ba1b55c218ee..61a56070578a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c541c15fb5ab48c47bc9b90121538fd30d152f23
+refs/heads/master: 1f8a7d5207a2a343af7c3b18fcc65dc6aa1fb068
diff --git a/trunk/arch/arm/plat-omap/include/plat/omap_device.h b/trunk/arch/arm/plat-omap/include/plat/omap_device.h
index d4d9b96f961e..12c5b0c345bf 100644
--- a/trunk/arch/arm/plat-omap/include/plat/omap_device.h
+++ b/trunk/arch/arm/plat-omap/include/plat/omap_device.h
@@ -101,6 +101,7 @@ struct platform_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
 					 int pm_lats_cnt, int is_early_device);
 
 void __iomem *omap_device_get_rt_va(struct omap_device *od);
+struct device *omap_device_get_by_hwmod_name(const char *oh_name);
 
 /* OMAP PM interface */
 int omap_device_align_pm_lat(struct platform_device *pdev,
diff --git a/trunk/arch/arm/plat-omap/omap_device.c b/trunk/arch/arm/plat-omap/omap_device.c
index 26aee5cc1fc1..f832f92013b2 100644
--- a/trunk/arch/arm/plat-omap/omap_device.c
+++ b/trunk/arch/arm/plat-omap/omap_device.c
@@ -844,6 +844,42 @@ void __iomem *omap_device_get_rt_va(struct omap_device *od)
 	return omap_hwmod_get_mpu_rt_va(od->hwmods[0]);
 }
 
+/**
+ * omap_device_get_by_hwmod_name() - convert a hwmod name to
+ * device pointer.
+ * @oh_name: name of the hwmod device
+ *
+ * Returns back a struct device * pointer associated with a hwmod
+ * device represented by a hwmod_name
+ */
+struct device *omap_device_get_by_hwmod_name(const char *oh_name)
+{
+	struct omap_hwmod *oh;
+
+	if (!oh_name) {
+		WARN(1, "%s: no hwmod name!\n", __func__);
+		return ERR_PTR(-EINVAL);
+	}
+
+	oh = omap_hwmod_lookup(oh_name);
+	if (IS_ERR_OR_NULL(oh)) {
+		WARN(1, "%s: no hwmod for %s\n", __func__,
+			oh_name);
+		return ERR_PTR(oh ? PTR_ERR(oh) : -ENODEV);
+	}
+	if (IS_ERR_OR_NULL(oh->od)) {
+		WARN(1, "%s: no omap_device for %s\n", __func__,
+			oh_name);
+		return ERR_PTR(oh->od ? PTR_ERR(oh->od) : -ENODEV);
+	}
+
+	if (IS_ERR_OR_NULL(oh->od->pdev))
+		return ERR_PTR(oh->od->pdev ? PTR_ERR(oh->od->pdev) : -ENODEV);
+
+	return &oh->od->pdev->dev;
+}
+EXPORT_SYMBOL(omap_device_get_by_hwmod_name);
+
 /*
  * Public functions intended for use in omap_device_pm_latency
  * .activate_func and .deactivate_func function pointers