USB: rename usb_buffer_alloc() and usb_buffer_free() users
For more clearance what the functions actually do,
usb_buffer_alloc() is renamed to usb_alloc_coherent()
usb_buffer_free() is renamed to usb_free_coherent()
They should only be used in code which really needs DMA coherency.
All call sites have been changed accordingly, except for staging
drivers.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Pedro Ribeiro <pedrib@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c
index 90aede9..7828c76 100644
--- a/drivers/usb/misc/usblcd.c
+++ b/drivers/usb/misc/usblcd.c
@@ -205,8 +205,8 @@
}
/* free up our allocated buffer */
- usb_buffer_free(urb->dev, urb->transfer_buffer_length,
- urb->transfer_buffer, urb->transfer_dma);
+ usb_free_coherent(urb->dev, urb->transfer_buffer_length,
+ urb->transfer_buffer, urb->transfer_dma);
up(&dev->limit_sem);
}
@@ -234,7 +234,7 @@
goto err_no_buf;
}
- buf = usb_buffer_alloc(dev->udev, count, GFP_KERNEL, &urb->transfer_dma);
+ buf = usb_alloc_coherent(dev->udev, count, GFP_KERNEL, &urb->transfer_dma);
if (!buf) {
retval = -ENOMEM;
goto error;
@@ -268,7 +268,7 @@
error_unanchor:
usb_unanchor_urb(urb);
error:
- usb_buffer_free(dev->udev, count, buf, urb->transfer_dma);
+ usb_free_coherent(dev->udev, count, buf, urb->transfer_dma);
usb_free_urb(urb);
err_no_buf:
up(&dev->limit_sem);