Commit 1cf56299 authored by Randy Li's avatar Randy Li Committed by Greg Kroah-Hartman
Browse files

USB: dma: remove unused function prototype 



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: default avatarRandy Li <ayaka@soulik.info>
Link: https://lore.kernel.org/r/20230914172336.18761-2-ayaka@soulik.info


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 03cf2af4

include/linux/usb.h

+0 −16
Original line number Diff line number Diff line
@@ -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                  *

 *-------------------------------------------------------------------*/