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-rw-r--r--include/linux/tnum.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/tnum.h b/include/linux/tnum.h
index 1c3948a1d6..3c13240077 100644
--- a/include/linux/tnum.h
+++ b/include/linux/tnum.h
@@ -106,6 +106,10 @@ int tnum_sbin(char *str, size_t size, struct tnum a);
struct tnum tnum_subreg(struct tnum a);
/* Returns the tnum with the lower 32-bit subreg cleared */
struct tnum tnum_clear_subreg(struct tnum a);
+/* Returns the tnum with the lower 32-bit subreg in *reg* set to the lower
+ * 32-bit subreg in *subreg*
+ */
+struct tnum tnum_with_subreg(struct tnum reg, struct tnum subreg);
/* Returns the tnum with the lower 32-bit subreg set to value */
struct tnum tnum_const_subreg(struct tnum a, u32 value);
/* Returns true if 32-bit subreg @a is a known constant*/