1 files changed, 36 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index 26aee5cc1fc1..f832f92013b2 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/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