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path: root/drivers/input/misc/cm109.c
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Diffstat (limited to 'drivers/input/misc/cm109.c')
-rw-r--r--drivers/input/misc/cm109.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c
index 86457fe..2b0eba6 100644
--- a/drivers/input/misc/cm109.c
+++ b/drivers/input/misc/cm109.c
@@ -102,7 +102,6 @@ struct cm109_dev {
struct cm109_ctl_packet *ctl_data;
dma_addr_t ctl_dma;
struct usb_ctrlrequest *ctl_req;
- dma_addr_t ctl_req_dma;
struct urb *urb_ctl;
/*
* The 3 bitfields below are protected by ctl_submit_lock.
@@ -629,15 +628,13 @@ static const struct usb_device_id cm109_usb_table[] = {
static void cm109_usb_cleanup(struct cm109_dev *dev)
{
- if (dev->ctl_req)
- usb_buffer_free(dev->udev, sizeof(*(dev->ctl_req)),
- dev->ctl_req, dev->ctl_req_dma);
+ 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 */
@@ -686,18 +683,17 @@ 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;
- dev->ctl_req = usb_buffer_alloc(udev, sizeof(*(dev->ctl_req)),
- GFP_KERNEL, &dev->ctl_req_dma);
+ dev->ctl_req = kmalloc(sizeof(*(dev->ctl_req)), GFP_KERNEL);
if (!dev->ctl_req)
goto err_out;
@@ -735,10 +731,8 @@ static int cm109_usb_probe(struct usb_interface *intf,
usb_fill_control_urb(dev->urb_ctl, udev, usb_sndctrlpipe(udev, 0),
(void *)dev->ctl_req, dev->ctl_data, USB_PKT_LEN,
cm109_urb_ctl_callback, dev);
- dev->urb_ctl->setup_dma = dev->ctl_req_dma;
dev->urb_ctl->transfer_dma = dev->ctl_dma;
- dev->urb_ctl->transfer_flags |= URB_NO_SETUP_DMA_MAP |
- URB_NO_TRANSFER_DMA_MAP;
+ dev->urb_ctl->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
dev->urb_ctl->dev = udev;
/* find out the physical bus location */