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USB: rename usb_buffer_alloc() and usb_buffer_free() users

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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>
This commit is contained in:
Daniel Mack
2010-04-12 13:17:25 +02:00
committed by Greg Kroah-Hartman
parent 48679c6d77
commit 997ea58eb9
51 changed files with 286 additions and 291 deletions
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16
drivers/input/misc/cm109.c
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@@ -630,11 +630,11 @@ static void cm109_usb_cleanup(struct cm109_dev *dev)
{
kfree(dev->ctl_req);
if (dev->ctl_data)
usb_buffer_free(dev->udev, USB_PKT_LEN,
dev->ctl_data, dev->ctl_dma);
usb_free_coherent(dev->udev, USB_PKT_LEN,
dev->ctl_data, dev->ctl_dma);
if (dev->irq_data)
usb_buffer_free(dev->udev, USB_PKT_LEN,
dev->irq_data, dev->irq_dma);
usb_free_coherent(dev->udev, USB_PKT_LEN,
dev->irq_data, dev->irq_dma);
usb_free_urb(dev->urb_irq); /* parameter validation in core/urb */
usb_free_urb(dev->urb_ctl); /* parameter validation in core/urb */
@@ -683,13 +683,13 @@ static int cm109_usb_probe(struct usb_interface *intf,
goto err_out;
/* allocate usb buffers */
dev->irq_data = usb_buffer_alloc(udev, USB_PKT_LEN,
GFP_KERNEL, &dev->irq_dma);
dev->irq_data = usb_alloc_coherent(udev, USB_PKT_LEN,
GFP_KERNEL, &dev->irq_dma);
if (!dev->irq_data)
goto err_out;
dev->ctl_data = usb_buffer_alloc(udev, USB_PKT_LEN,
GFP_KERNEL, &dev->ctl_dma);
dev->ctl_data = usb_alloc_coherent(udev, USB_PKT_LEN,
GFP_KERNEL, &dev->ctl_dma);
if (!dev->ctl_data)
goto err_out;