dm: usb: Drop the EHCI weak functions

These are a pain with driver model because we might have different EHCI
drivers which want to implement them differently. Now that they use
consistent function signatures, we can in good conscience move them to
a struct.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>
Fix non-driver-model EHCI to set up the EHCI operations correctly:
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 2ca111a..cc23e1f 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -244,6 +244,16 @@
 	EHCI_TWEAK_NO_INIT_CF		= 1 << 0,
 };
 
+struct ehci_ctrl;
+
+struct ehci_ops {
+	void (*set_usb_mode)(struct ehci_ctrl *ctrl);
+	int (*get_port_speed)(struct ehci_ctrl *ctrl, uint32_t reg);
+	void (*powerup_fixup)(struct ehci_ctrl *ctrl, uint32_t *status_reg,
+			      uint32_t *reg);
+	uint32_t *(*get_portsc_register)(struct ehci_ctrl *ctrl, int port);
+};
+
 struct ehci_ctrl {
 	struct ehci_hccr *hccr;	/* R/O registers, not need for volatile */
 	struct ehci_hcor *hcor;
@@ -254,27 +264,24 @@
 	uint32_t *periodic_list;
 	int periodic_schedules;
 	int ntds;
+	struct ehci_ops ops;
 	void *priv;	/* client's private data */
 };
 
-/* Weak functions that drivers can override */
-int ehci_get_port_speed(struct ehci_ctrl *ctrl, uint32_t reg);
-void ehci_set_usbmode(struct ehci_ctrl *ctrl);
-void ehci_powerup_fixup(struct ehci_ctrl *ctrl, uint32_t *status_reg,
-			uint32_t *reg);
-uint32_t *ehci_get_portsc_register(struct ehci_ctrl *ctrl, int port);
-
 /**
- * ehci_set_controller_priv() - Set up private data for the controller
+ * ehci_set_controller_info() - 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.
+ * this can be accessed given the struct ehci_ctrl pointer. Also special
+ * EHCI operation methods can be provided if required
  *
  * @index:	Controller number to set
  * @priv:	Controller pointer
+ * @ops:	Controller operations, or NULL to use default
  */
-void ehci_set_controller_priv(int index, void *priv);
+void ehci_set_controller_priv(int index, void *priv,
+			      const struct ehci_ops *ops);
 
 /**
  * ehci_get_controller_priv() - Get controller private data