[src/trunk]: src/sys/dev/pci Explicitly cast a 40-bit mask to bus_addr_t in a...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8604c8751993
branches:  trunk
changeset: 359789:8604c8751993
user:      martin <martin%NetBSD.org@localhost>
date:      Sat Jan 22 19:01:56 2022 +0000

description:
Explicitly cast a 40-bit mask to bus_addr_t in a dead branch (gcc apparently
is not clever enough and warns about the truncation)

diffstat:

 sys/dev/pci/if_bge.c |  9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diffs (30 lines):

diff -r 740cad7dc6b2 -r 8604c8751993 sys/dev/pci/if_bge.c
--- a/sys/dev/pci/if_bge.c      Sat Jan 22 18:59:23 2022 +0000
+++ b/sys/dev/pci/if_bge.c      Sat Jan 22 19:01:56 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_bge.c,v 1.350 2022/01/22 15:10:32 skrll Exp $       */
+/*     $NetBSD: if_bge.c,v 1.351 2022/01/22 19:01:56 martin Exp $      */
 
 /*
  * Copyright (c) 2001 Wind River Systems
@@ -79,7 +79,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_bge.c,v 1.350 2022/01/22 15:10:32 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_bge.c,v 1.351 2022/01/22 19:01:56 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -3735,8 +3735,9 @@
                if ((sc->bge_flags & BGEF_40BIT_BUG) != 0) {
                        bus_dma_tag_t olddmatag = sc->bge_dmatag; /* save */
 
-                       if (bus_dmatag_subregion(olddmatag, 0, __MASK(40),
-                            &(sc->bge_dmatag), BUS_DMA_NOWAIT) != 0) {
+                       if (bus_dmatag_subregion(olddmatag, 0,
+                           (bus_addr_t)__MASK(40),
+                           &(sc->bge_dmatag), BUS_DMA_NOWAIT) != 0) {
                                aprint_error_dev(self,
                                    "WARNING: failed to restrict dma range,"
                                    " falling back to parent bus dma range\n");