usb: musb: drop unneeded musb_debug trickery

We have a generic way of enabling/disabling
different debug messages on a driver called
DYNAMIC_PRINTK. Anyone interested in enabling
just part of the debug messages, please read
the documentation under:

Documentation/dynamic-debug-howto.txt

for information on how to use that great
infrastructure.

Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index 3661b81..2a2adf6 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -220,7 +220,7 @@
 	* status change events (from the transceiver) otherwise.
 	 */
 	devctl = musb_readb(mregs, MUSB_DEVCTL);
-	DBG(7, "poll devctl %02x (%s)\n", devctl,
+	dev_dbg(musb->controller, "poll devctl %02x (%s)\n", devctl,
 		otg_state_string(musb->xceiv->state));
 
 	spin_lock_irqsave(&musb->lock, flags);
@@ -298,7 +298,7 @@
 	/* ack and handle non-CPPI interrupts */
 	tmp = musb_readl(tibase, DAVINCI_USB_INT_SRC_MASKED_REG);
 	musb_writel(tibase, DAVINCI_USB_INT_SRC_CLR_REG, tmp);
-	DBG(4, "IRQ %08x\n", tmp);
+	dev_dbg(musb->controller, "IRQ %08x\n", tmp);
 
 	musb->int_rx = (tmp & DAVINCI_USB_RXINT_MASK)
 			>> DAVINCI_USB_RXINT_SHIFT;
@@ -355,7 +355,7 @@
 		 * (OTG_TIME_A_WAIT_VRISE) but we don't check for that.
 		 */
 		davinci_musb_source_power(musb, drvvbus, 0);
-		DBG(2, "VBUS %s (%s)%s, devctl %02x\n",
+		dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n",
 				drvvbus ? "on" : "off",
 				otg_state_string(musb->xceiv->state),
 				err ? " ERROR" : "",
@@ -485,7 +485,7 @@
 				break;
 			if ((devctl & MUSB_DEVCTL_VBUS) != warn) {
 				warn = devctl & MUSB_DEVCTL_VBUS;
-				DBG(1, "VBUS %d\n",
+				dev_dbg(musb->controller, "VBUS %d\n",
 					warn >> MUSB_DEVCTL_VBUS_SHIFT);
 			}
 			msleep(1000);
@@ -494,7 +494,7 @@
 
 		/* in OTG mode, another host might be connected */
 		if (devctl & MUSB_DEVCTL_VBUS)
-			DBG(1, "VBUS off timeout (devctl %02x)\n", devctl);
+			dev_dbg(musb->controller, "VBUS off timeout (devctl %02x)\n", devctl);
 	}
 
 	phy_off();