4 files changed, 15 insertions, 14 deletions

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 6a95017fa62b..335c1ddb260d 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1262,7 +1262,7 @@ static void hcd_free_coherent(struct usb_bus *bus, dma_addr_t *dma_handle,
         *dma_handle = 0;
 }
 
-void unmap_urb_setup_for_dma(struct usb_hcd *hcd, struct urb *urb)
+void usb_hcd_unmap_urb_setup_for_dma(struct usb_hcd *hcd, struct urb *urb)
 {
         if (urb->transfer_flags & URB_SETUP_MAP_SINGLE)
                 dma_unmap_single(hcd->self.controller,
@@ -1279,13 +1279,13 @@ void unmap_urb_setup_for_dma(struct usb_hcd *hcd, struct urb *urb)
         /* Make it safe to call this routine more than once */
         urb->transfer_flags &= ~(URB_SETUP_MAP_SINGLE | URB_SETUP_MAP_LOCAL);
 }
-EXPORT_SYMBOL_GPL(unmap_urb_setup_for_dma);
+EXPORT_SYMBOL_GPL(usb_hcd_unmap_urb_setup_for_dma);
 
-void unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb)
+void usb_hcd_unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb)
 {
         enum dma_data_direction dir;
 
-        unmap_urb_setup_for_dma(hcd, urb);
+        usb_hcd_unmap_urb_setup_for_dma(hcd, urb);
 
         dir = usb_urb_dir_in(urb) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
         if (urb->transfer_flags & URB_DMA_MAP_SG)
@@ -1314,7 +1314,7 @@ void unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb)
         urb->transfer_flags &= ~(URB_DMA_MAP_SG | URB_DMA_MAP_PAGE |
                         URB_DMA_MAP_SINGLE | URB_MAP_LOCAL);
 }
-EXPORT_SYMBOL_GPL(unmap_urb_for_dma);
+EXPORT_SYMBOL_GPL(usb_hcd_unmap_urb_for_dma);
 
 static int map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb,
                            gfp_t mem_flags)
@@ -1410,7 +1410,7 @@ static int map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb,
                 }
                 if (ret && (urb->transfer_flags & (URB_SETUP_MAP_SINGLE |
                                 URB_SETUP_MAP_LOCAL)))
-                        unmap_urb_for_dma(hcd, urb);
+                        usb_hcd_unmap_urb_for_dma(hcd, urb);
         }
         return ret;
 }
@@ -1451,7 +1451,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags)
                 if (likely(status == 0)) {
                         status = hcd->driver->urb_enqueue(hcd, urb, mem_flags);
                         if (unlikely(status))
-                                unmap_urb_for_dma(hcd, urb);
+                                usb_hcd_unmap_urb_for_dma(hcd, urb);
                 }
         }
 
@@ -1557,7 +1557,7 @@ void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb, int status)
                         !status))
                 status = -EREMOTEIO;
 
-        unmap_urb_for_dma(hcd, urb);
+        usb_hcd_unmap_urb_for_dma(hcd, urb);
         usbmon_urb_complete(&hcd->self, urb, status);
         usb_unanchor_urb(urb);
 
diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c
index f90d003f2302..b7dfda8a1d51 100644
--- a/drivers/usb/host/imx21-hcd.c
+++ b/drivers/usb/host/imx21-hcd.c
@@ -927,7 +927,8 @@ static void schedule_nonisoc_etd(struct imx21 *imx21, struct urb *urb)
                 if (state == US_CTRL_SETUP) {
                         dir = TD_DIR_SETUP;
                         if (unsuitable_for_dma(urb->setup_dma))
-                                unmap_urb_setup_for_dma(imx21->hcd, urb);
+                                usb_hcd_unmap_urb_setup_for_dma(imx21->hcd,
+                                        urb);
                         etd->dma_handle = urb->setup_dma;
                         etd->cpu_buffer = urb->setup_packet;
                         bufround = 0;
@@ -943,7 +944,7 @@ static void schedule_nonisoc_etd(struct imx21 *imx21, struct urb *urb)
                 dir = usb_pipeout(pipe) ? TD_DIR_OUT : TD_DIR_IN;
                 bufround = (dir == TD_DIR_IN) ? 1 : 0;
                 if (unsuitable_for_dma(urb->transfer_dma))
-                        unmap_urb_for_dma(imx21->hcd, urb);
+                        usb_hcd_unmap_urb_for_dma(imx21->hcd, urb);
 
                 etd->dma_handle = urb->transfer_dma;
                 etd->cpu_buffer = urb->transfer_buffer;
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 4d5bcb4e14d2..4d2f3f79c425 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -1336,7 +1336,7 @@ void musb_host_tx(struct musb *musb, u8 epnum)
         if (length > qh->maxpacket)
                 length = qh->maxpacket;
         /* Unmap the buffer so that CPU can use it */
-        unmap_urb_for_dma(musb_to_hcd(musb), urb);
+        usb_hcd_unmap_urb_for_dma(musb_to_hcd(musb), urb);
         musb_write_fifo(hw_ep, length, urb->transfer_buffer + offset);
         qh->segsize = length;
 
@@ -1758,7 +1758,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 
                 if (!dma) {
                         /* Unmap the buffer so that CPU can use it */
-                        unmap_urb_for_dma(musb_to_hcd(musb), urb);
+                        usb_hcd_unmap_urb_for_dma(musb_to_hcd(musb), urb);
                         done = musb_host_packet_rx(musb, urb,
                                         epnum, iso_err);
                         DBG(6, "read %spacket\n", done ? "last " : "");
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index dd6ee49a0844..395704bdf5cc 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -329,8 +329,8 @@ extern int usb_hcd_submit_urb(struct urb *urb, gfp_t mem_flags);
 extern int usb_hcd_unlink_urb(struct urb *urb, int status);
 extern void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb,
                 int status);
-extern void unmap_urb_setup_for_dma(struct usb_hcd *, struct urb *);
-extern void unmap_urb_for_dma(struct usb_hcd *, struct urb *);
+extern void usb_hcd_unmap_urb_setup_for_dma(struct usb_hcd *, struct urb *);
+extern void usb_hcd_unmap_urb_for_dma(struct usb_hcd *, struct urb *);
 extern void usb_hcd_flush_endpoint(struct usb_device *udev,
                 struct usb_host_endpoint *ep);
 extern void usb_hcd_disable_endpoint(struct usb_device *udev,