usb: musb: eliminate musb_to_hcd

With the hcd is now a direct member of struct musb, we can now simply
eliminate the musb_to_hcd() macro. There aren't that many users left
anyway, as some where already fixed up when parts were factored out to
musb_host.c

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c
index 104d22f..a523950 100644
--- a/drivers/usb/musb/musb_virthub.c
+++ b/drivers/usb/musb/musb_virthub.c
@@ -212,7 +212,7 @@
 		musb->port1_status |= USB_PORT_STAT_ENABLE
 					| (USB_PORT_STAT_C_RESET << 16)
 					| (USB_PORT_STAT_C_ENABLE << 16);
-		usb_hcd_poll_rh_status(musb_to_hcd(musb));
+		usb_hcd_poll_rh_status(musb->hcd);
 
 		musb->vbuserr_retry = VBUSERR_RETRY_COUNT;
 	}
@@ -225,7 +225,7 @@
 	musb->port1_status = USB_PORT_STAT_POWER
 			| (USB_PORT_STAT_C_CONNECTION << 16);
 
-	usb_hcd_poll_rh_status(musb_to_hcd(musb));
+	usb_hcd_poll_rh_status(musb->hcd);
 	musb->is_active = 0;
 
 	switch (musb->xceiv->state) {
@@ -379,7 +379,7 @@
 			musb->port1_status &= ~(USB_PORT_STAT_SUSPEND
 					| MUSB_PORT_STAT_RESUME);
 			musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16;
-			usb_hcd_poll_rh_status(musb_to_hcd(musb));
+			usb_hcd_poll_rh_status(musb->hcd);
 			/* NOTE: it might really be A_WAIT_BCON ... */
 			musb->xceiv->state = OTG_STATE_A_HOST;
 		}