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USB: dma: remove unused function prototype

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usb_buffer_map_sg() and usb_buffer_unmap_sg() have no definition
since the beginning of v5.4. The rest are gone from 2.6.12.

Signed-off-by: Randy Li <ayaka@soulik.info>
Link: https://lore.kernel.org/r/20230914172336.18761-2-ayaka@soulik.info
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Randy Li
2023-09-15 01:23:23 +08:00
committed by Greg Kroah-Hartman
parent 03cf2af41b
commit 1cf56299f9
1 changed files with 0 additions and 16 deletions
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include/linux/usb.h
-16
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@@ -1823,22 +1823,6 @@ void *usb_alloc_coherent(struct usb_device *dev, size_t size,
void usb_free_coherent(struct usb_device *dev, size_t size,
void *addr, dma_addr_t dma);
#if 0
struct urb *usb_buffer_map(struct urb *urb);
void usb_buffer_dmasync(struct urb *urb);
void usb_buffer_unmap(struct urb *urb);
#endif
struct scatterlist;
int usb_buffer_map_sg(const struct usb_device *dev, int is_in,
struct scatterlist *sg, int nents);
#if 0
void usb_buffer_dmasync_sg(const struct usb_device *dev, int is_in,
struct scatterlist *sg, int n_hw_ents);
#endif
void usb_buffer_unmap_sg(const struct usb_device *dev, int is_in,
struct scatterlist *sg, int n_hw_ents);
/*-------------------------------------------------------------------*
* SYNCHRONOUS CALL SUPPORT *
*-------------------------------------------------------------------*/