musb_hdrc: Remove old unused delay_port_power_off

Remove old unused delay_port_power_off
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/usb/musb/musbdefs.h

@@ -450,11 +450,6 @@ struct musb {
 	struct usb_gadget_driver *gadget_driver;	/* its driver */
 #endif
 
-#ifdef CONFIG_USB_MUSB_OTG
-	/* FIXME this can't be OTG-specific ... ? */
-	u8 delay_port_power_off;
-#endif
-
 #ifdef MUSB_CONFIG_PROC_FS
 	struct proc_dir_entry *proc_entry;
 #endif

drivers/usb/musb/plat_uds.c

@@ -557,7 +557,6 @@ static irqreturn_t musb_stage0_irq(struct musb * musb, u8 int_usb,
 		if (is_peripheral_active(musb)) {
 			// REVISIT HNP; just force disconnect
 		}
-		musb->delay_port_power_off = FALSE;
 		musb_writew(mbase, MUSB_INTRTXE, musb->epmask);
 		musb_writew(mbase, MUSB_INTRRXE, musb->epmask & 0xfffe);
 		musb_writeb(mbase, MUSB_INTRUSBE, 0xf7);

drivers/usb/musb/virthub.c

@@ -121,13 +121,6 @@ static void musb_port_reset(struct musb *musb, u8 bReset)
 		musb->port1_status &= ~USB_PORT_STAT_RESET;
 		return;
 	}
-
-	/* REVISIT this looks wrong for HNP */
-	u8 devctl = musb_readb(mbase, MUSB_DEVCTL);
-
-	if (musb->delay_port_power_off || !(devctl & MUSB_DEVCTL_HM)) {
-		return;
-	}
 #endif
 
 	if (!is_host_active(musb))