3 files changed, 35 insertions, 6 deletions
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index b81c5365ec..f9da3f0b29 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -307,10 +307,4 @@ extern void musb_configure_ep(struct musb_epinfo *epinfo, u8 cnt);
 extern void write_fifo(u8 ep, u32 length, void *fifo_data);
 extern void read_fifo(u8 ep, u32 length, void *fifo_data);
 
-/* extern functions */
-extern inline void musb_writew(u32 offset, u16 value);
-extern inline void musb_writeb(u32 offset, u8 value);
-extern inline u16 musb_readw(u32 offset);
-extern inline u8 musb_readb(u32 offset);
-
 #endif	/* __MUSB_HDRC_DEFS_H__ */
diff --git a/drivers/usb/musb/musb_hcd.c b/drivers/usb/musb/musb_hcd.c
index 352a0d4eb0..19d978b245 100644
--- a/drivers/usb/musb/musb_hcd.c
+++ b/drivers/usb/musb/musb_hcd.c
@@ -111,6 +111,7 @@ static int wait_until_ep0_ready(struct usb_device *dev, u32 bit_mask)
 {
 	u16 csr;
 	int result = 1;
+	int timeout = CONFIG_MUSB_TIMEOUT;
 
 	while (result > 0) {
 		csr = readw(&musbr->txcsr);
@@ -152,7 +153,17 @@ static int wait_until_ep0_ready(struct usb_device *dev, u32 bit_mask)
 			}
 			break;
 		}
+
+		/* Check the timeout */
+		if (--timeout)
+			udelay(1);
+		else {
+			dev->status = USB_ST_CRC_ERR;
+			result = -1;
+			break;
+		}
 	}
+
 	return result;
 }
 
@@ -162,6 +173,7 @@ static int wait_until_ep0_ready(struct usb_device *dev, u32 bit_mask)
 static u8 wait_until_txep_ready(struct usb_device *dev, u8 ep)
 {
 	u16 csr;
+	int timeout = CONFIG_MUSB_TIMEOUT;
 
 	do {
 		if (check_stall(ep, 1)) {
@@ -174,6 +186,15 @@ static u8 wait_until_txep_ready(struct usb_device *dev, u8 ep)
 			dev->status = USB_ST_CRC_ERR;
 			return 0;
 		}
+
+		/* Check the timeout */
+		if (--timeout)
+			udelay(1);
+		else {
+			dev->status = USB_ST_CRC_ERR;
+			return -1;
+		}
+
 	} while (csr & MUSB_TXCSR_TXPKTRDY);
 	return 1;
 }
@@ -184,6 +205,7 @@ static u8 wait_until_txep_ready(struct usb_device *dev, u8 ep)
 static u8 wait_until_rxep_ready(struct usb_device *dev, u8 ep)
 {
 	u16 csr;
+	int timeout = CONFIG_MUSB_TIMEOUT;
 
 	do {
 		if (check_stall(ep, 0)) {
@@ -196,6 +218,15 @@ static u8 wait_until_rxep_ready(struct usb_device *dev, u8 ep)
 			dev->status = USB_ST_CRC_ERR;
 			return 0;
 		}
+
+		/* Check the timeout */
+		if (--timeout)
+			udelay(1);
+		else {
+			dev->status = USB_ST_CRC_ERR;
+			return -1;
+		}
+
 	} while (!(csr & MUSB_RXCSR_RXPKTRDY));
 	return 1;
 }
diff --git a/drivers/usb/musb/musb_hcd.h b/drivers/usb/musb/musb_hcd.h
index bb83311b01..b7f571d037 100644
--- a/drivers/usb/musb/musb_hcd.h
+++ b/drivers/usb/musb/musb_hcd.h
@@ -30,6 +30,10 @@
 extern unsigned char new[];
 #endif
 
+#ifndef CONFIG_MUSB_TIMEOUT
+# define CONFIG_MUSB_TIMEOUT 100000
+#endif
+
 /* This defines the endpoint number used for control transfers */
 #define MUSB_CONTROL_EP 0