MUSB: TUSB peripheral connection bugfix

When booting with a USB Mini-B connecting TUSB to a host, the peripheral
will agin notice the connection and let the host enumerate it.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

drivers/usb/musb/plat_uds.c

@@ -693,6 +693,8 @@ void musb_start(struct musb *musb)
 		break;
 	case MUSB_PERIPHERAL:
 		devctl = musb_readb(regs, MGC_O_HDRC_DEVCTL);
+		if ((devctl & MGC_M_DEVCTL_VBUS) == MGC_M_DEVCTL_VBUS)
+			musb->is_active = 1;
 		musb_writeb(regs, MGC_O_HDRC_DEVCTL,
 			devctl & ~MGC_M_DEVCTL_SESSION);
 		break;

drivers/usb/musb/tusb6010.c

@@ -613,8 +613,11 @@ void musb_platform_enable(struct musb * musb)
 
 	set_irq_type(musb->nIrq, IRQ_TYPE_LEVEL_LOW);
 
-	/* kickstart:  force into the correct OTG state machine */
-	musb_writel(base, TUSB_INT_SRC_SET, TUSB_INT_SRC_ID_STATUS_CHNG);
+	/* maybe force into the Default-A OTG state machine */
+	if (!(musb_readl(base, TUSB_DEV_OTG_STAT)
+			& TUSB_DEV_OTG_STAT_ID_STATUS))
+		musb_writel(base, TUSB_INT_SRC_SET,
+				TUSB_INT_SRC_ID_STATUS_CHNG);
 
 	if (is_dma_capable() && dma_off)
 		printk(KERN_WARNING "%s %s: dma not reactivated\n",