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mt76x0: remove unused routines for usb_buff alloc/free 

Remove the following unused routines for usb buffer
allocation/free/submit:
- mt76x0_usb_alloc_buf
- mt76x0_usb_free_buf
- mt76x0_usb_submit_buf

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Lorenzo Bianconi 2018-08-25 12:40:56 +02:00 committed by Kalle Valo
parent a0b65ca60e
commit 01b302cd58
2 changed files with 0 additions and 54 deletions
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47
drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
View File

@ -46,53 +46,6 @@ static struct usb_device_id mt76x0_device_table[] = {
{ 0, }
};
bool mt76x0_usb_alloc_buf(struct mt76x0_dev *dev, size_t len,
struct mt76x0_dma_buf *buf)
{
struct usb_device *usb_dev = mt76x0_to_usb_dev(dev);
buf->len = len;
buf->urb = usb_alloc_urb(0, GFP_KERNEL);
buf->buf = usb_alloc_coherent(usb_dev, buf->len, GFP_KERNEL, &buf->dma);
return !buf->urb || !buf->buf;
}
void mt76x0_usb_free_buf(struct mt76x0_dev *dev, struct mt76x0_dma_buf *buf)
{
struct usb_device *usb_dev = mt76x0_to_usb_dev(dev);
usb_free_coherent(usb_dev, buf->len, buf->buf, buf->dma);
usb_free_urb(buf->urb);
}
int mt76x0_usb_submit_buf(struct mt76x0_dev *dev, int dir, int ep_idx,
struct mt76x0_dma_buf *buf, gfp_t gfp,
usb_complete_t complete_fn, void *context)
{
struct usb_device *usb_dev = mt76x0_to_usb_dev(dev);
struct mt76_usb *usb = &dev->mt76.usb;
unsigned pipe;
int ret;
if (dir == USB_DIR_IN)
pipe = usb_rcvbulkpipe(usb_dev, usb->in_ep[ep_idx]);
else
pipe = usb_sndbulkpipe(usb_dev, usb->out_ep[ep_idx]);
usb_fill_bulk_urb(buf->urb, usb_dev, pipe, buf->buf, buf->len,
complete_fn, context);
buf->urb->transfer_dma = buf->dma;
buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
trace_mt76x0_submit_urb(&dev->mt76, buf->urb);
ret = usb_submit_urb(buf->urb, gfp);
if (ret)
dev_err(dev->mt76.dev, "Error: submit URB dir:%d ep:%d failed:%d\n",
dir, ep_idx, ret);
return ret;
}
void mt76x0_addr_wr(struct mt76x0_dev *dev, const u32 offset, const u8 *addr)
{
mt76_wr(dev, offset, get_unaligned_le32(addr));

7
drivers/net/wireless/mediatek/mt76/mt76x0/usb.h
View File

@ -43,11 +43,4 @@ static inline bool mt76x0_urb_has_error(struct urb *urb)
urb->status != -ESHUTDOWN;
}
bool mt76x0_usb_alloc_buf(struct mt76x0_dev *dev, size_t len,
struct mt76x0_dma_buf *buf);
void mt76x0_usb_free_buf(struct mt76x0_dev *dev, struct mt76x0_dma_buf *buf);
int mt76x0_usb_submit_buf(struct mt76x0_dev *dev, int dir, int ep_idx,
struct mt76x0_dma_buf *buf, gfp_t gfp,
usb_complete_t complete_fn, void *context);
#endif