1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/staging/greybus/bundle.h b/drivers/staging/greybus/bundle.h
new file mode 100644
index 000000000000..0c3491def96c
--- /dev/null
+++ b/drivers/staging/greybus/bundle.h
@@ -0,0 +1,90 @@
+/*
+ * Greybus bundles
+ *
+ * Copyright 2014 Google Inc.
+ * Copyright 2014 Linaro Ltd.
+ *
+ * Released under the GPLv2 only.
+ */
+
+#ifndef __BUNDLE_H
+#define __BUNDLE_H
+
+#include <linux/list.h>
+
+#define	BUNDLE_ID_NONE	U8_MAX
+
+/* Greybus "public" definitions" */
+struct gb_bundle {
+	struct device		dev;
+	struct gb_interface	*intf;
+
+	u8			id;
+	u8			class;
+	u8			class_major;
+	u8			class_minor;
+
+	size_t			num_cports;
+	struct greybus_descriptor_cport *cport_desc;
+
+	struct list_head	connections;
+	u8			*state;
+
+	struct list_head	links;	/* interface->bundles */
+};
+#define to_gb_bundle(d) container_of(d, struct gb_bundle, dev)
+
+/* Greybus "private" definitions" */
+struct gb_bundle *gb_bundle_create(struct gb_interface *intf, u8 bundle_id,
+				   u8 class);
+int gb_bundle_add(struct gb_bundle *bundle);
+void gb_bundle_destroy(struct gb_bundle *bundle);
+
+/* Bundle Runtime PM wrappers */
+#ifdef CONFIG_PM
+static inline int gb_pm_runtime_get_sync(struct gb_bundle *bundle)
+{
+	int retval;
+
+	retval = pm_runtime_get_sync(&bundle->dev);
+	if (retval < 0) {
+		dev_err(&bundle->dev,
+			"pm_runtime_get_sync failed: %d\n", retval);
+		pm_runtime_put_noidle(&bundle->dev);
+		return retval;
+	}
+
+	return 0;
+}
+
+static inline int gb_pm_runtime_put_autosuspend(struct gb_bundle *bundle)
+{
+	int retval;
+
+	pm_runtime_mark_last_busy(&bundle->dev);
+	retval = pm_runtime_put_autosuspend(&bundle->dev);
+
+	return retval;
+}
+
+static inline void gb_pm_runtime_get_noresume(struct gb_bundle *bundle)
+{
+	pm_runtime_get_noresume(&bundle->dev);
+}
+
+static inline void gb_pm_runtime_put_noidle(struct gb_bundle *bundle)
+{
+	pm_runtime_put_noidle(&bundle->dev);
+}
+
+#else
+static inline int gb_pm_runtime_get_sync(struct gb_bundle *bundle)
+{ return 0; }
+static inline int gb_pm_runtime_put_autosuspend(struct gb_bundle *bundle)
+{ return 0; }
+
+static inline void gb_pm_runtime_get_noresume(struct gb_bundle *bundle) {}
+static inline void gb_pm_runtime_put_noidle(struct gb_bundle *bundle) {}
+#endif
+
+#endif /* __BUNDLE_H */