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/input/tablet/acecad.c b/drivers/input/tablet/acecad.c
index 670c61c..c047016 100644
--- a/drivers/input/tablet/acecad.c
+++ b/drivers/input/tablet/acecad.c
@@ -155,7 +155,7 @@
goto fail1;
}
- acecad->data = usb_buffer_alloc(dev, 8, GFP_KERNEL, &acecad->data_dma);
+ acecad->data = usb_alloc_coherent(dev, 8, GFP_KERNEL, &acecad->data_dma);
if (!acecad->data) {
err= -ENOMEM;
goto fail1;
@@ -241,7 +241,7 @@
return 0;
- fail2: usb_buffer_free(dev, 8, acecad->data, acecad->data_dma);
+ fail2: usb_free_coherent(dev, 8, acecad->data, acecad->data_dma);
fail1: input_free_device(input_dev);
kfree(acecad);
return err;
@@ -256,7 +256,7 @@
usb_kill_urb(acecad->irq);
input_unregister_device(acecad->input);
usb_free_urb(acecad->irq);
- usb_buffer_free(interface_to_usbdev(intf), 10, acecad->data, acecad->data_dma);
+ usb_free_coherent(interface_to_usbdev(intf), 10, acecad->data, acecad->data_dma);
kfree(acecad);
}
}