1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index ec4d6b0abe..d538bb6e8d 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -248,6 +248,7 @@ struct ehci_ctrl {
 	uint32_t *periodic_list;
 	int periodic_schedules;
 	int ntds;
+	void *priv;	/* client's private data */
 };
 
 /* Weak functions that drivers can override */
@@ -256,6 +257,26 @@ void ehci_set_usbmode(int index);
 void ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg);
 uint32_t *ehci_get_portsc_register(struct ehci_hcor *hcor, int port);
 
+/**
+ * ehci_set_controller_priv() - Set up private data for the controller
+ *
+ * This function can be called in ehci_hcd_init() to tell the EHCI layer
+ * about the controller's private data pointer. Then in the above functions
+ * this can be accessed given the struct ehci_ctrl pointer.
+ *
+ * @index:	Controller number to set
+ * @priv:	Controller pointer
+ */
+void ehci_set_controller_priv(int index, void *priv);
+
+/**
+ * ehci_get_controller_priv() - Get controller private data
+ *
+ * @index	Controller number to get
+ * @return controller pointer for this index
+ */
+void *ehci_get_controller_priv(int index);
+
 /* Low level init functions */
 int ehci_hcd_init(int index, enum usb_init_type init,
 		struct ehci_hccr **hccr, struct ehci_hcor **hcor);