1 files changed, 38 insertions, 1 deletions

diff --git a/drivers/usb/mon/mon_dma.c b/drivers/usb/mon/mon_dma.c
index ddcfc01e77a0..140cc80bd2b1 100644
--- a/drivers/usb/mon/mon_dma.c
+++ b/drivers/usb/mon/mon_dma.c
@@ -48,6 +48,36 @@ char mon_dmapeek(unsigned char *dst, dma_addr_t dma_addr, int len)
         local_irq_restore(flags);
         return 0;
 }
+
+void mon_dmapeek_vec(const struct mon_reader_bin *rp,
+    unsigned int offset, dma_addr_t dma_addr, unsigned int length)
+{
+        unsigned long flags;
+        unsigned int step_len;
+        struct page *pg;
+        unsigned char *map;
+        unsigned long page_off, page_len;
+
+        local_irq_save(flags);
+        while (length) {
+                /* compute number of bytes we are going to copy in this page */
+                step_len = length;
+                page_off = dma_addr & (PAGE_SIZE-1);
+                page_len = PAGE_SIZE - page_off;
+                if (page_len < step_len)
+                        step_len = page_len;
+
+                /* copy data and advance pointers */
+                pg = phys_to_page(dma_addr);
+                map = kmap_atomic(pg, KM_IRQ0);
+                offset = mon_copy_to_buff(rp, offset, map + page_off, step_len);
+                kunmap_atomic(map, KM_IRQ0);
+                dma_addr += step_len;
+                length -= step_len;
+        }
+        local_irq_restore(flags);
+}
+
 #endif /* __i386__ */
 
 #ifndef MON_HAS_UNMAP
@@ -55,4 +85,11 @@ char mon_dmapeek(unsigned char *dst, dma_addr_t dma_addr, int len)
 {
         return 'D';
 }
-#endif
+
+void mon_dmapeek_vec(const struct mon_reader_bin *rp,
+    unsigned int offset, dma_addr_t dma_addr, unsigned int length)
+{
+        ;
+}
+
+#endif /* MON_HAS_UNMAP */