PCI: layerscape: Add ls_pcie_msi_host_init()

[karo-tx-linux.git] / include / linux / scatterlist.h

diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index 9b1ef0c820a72dab0fb8dea4658f26d9bc4ad6ab..556ec1ea25746d51bfc8d2fe1f55c21272062eae 100644 (file)
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -161,10 +161,6 @@ static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
 static inline void sg_chain(struct scatterlist *prv, unsigned int prv_nents,
                            struct scatterlist *sgl)
 {
-#ifndef CONFIG_ARCH_HAS_SG_CHAIN
-       BUG();
-#endif
-
        /*
         * offset and length are unused for chain entry.  Clear them.
         */
@@ -251,6 +247,11 @@ struct scatterlist *sg_next(struct scatterlist *);
 struct scatterlist *sg_last(struct scatterlist *s, unsigned int);
 void sg_init_table(struct scatterlist *, unsigned int);
 void sg_init_one(struct scatterlist *, const void *, unsigned int);
+int sg_split(struct scatterlist *in, const int in_mapped_nents,
+            const off_t skip, const int nb_splits,
+            const size_t *split_sizes,
+            struct scatterlist **out, int *out_mapped_nents,
+            gfp_t gfp_mask);
 
 typedef struct scatterlist *(sg_alloc_fn)(unsigned int, gfp_t);
 typedef void (sg_free_fn)(struct scatterlist *, unsigned int);