[src/trunk]: src/sys/dev/fdt Use correct #cells for parent address when decod...

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

details:   https://anonhg.NetBSD.org/src/rev/c98d33768d50
branches:  trunk
changeset: 845249:c98d33768d50
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Tue Sep 24 15:23:34 2019 +0000

description:
Use correct #cells for parent address when decoding ranges

diffstat:

 sys/dev/fdt/fdt_subr.c |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (38 lines):

diff -r 0e2b12ef65f7 -r c98d33768d50 sys/dev/fdt/fdt_subr.c
--- a/sys/dev/fdt/fdt_subr.c    Tue Sep 24 14:39:38 2019 +0000
+++ b/sys/dev/fdt/fdt_subr.c    Tue Sep 24 15:23:34 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: fdt_subr.c,v 1.30 2019/06/14 11:08:18 hkenken Exp $ */
+/* $NetBSD: fdt_subr.c,v 1.31 2019/09/24 15:23:34 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: fdt_subr.c,v 1.30 2019/06/14 11:08:18 hkenken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fdt_subr.c,v 1.31 2019/09/24 15:23:34 jmcneill Exp $");
 
 #include "opt_fdt.h"
 
@@ -224,7 +224,7 @@
 
        const int addr_cells = fdtbus_get_addr_cells(phandle);
        const int size_cells = fdtbus_get_size_cells(phandle);
-       const int paddr_cells = fdtbus_get_addr_cells(OF_parent(parent));
+       const int paddr_cells = fdtbus_get_addr_cells(parent);
        if (addr_cells == -1 || size_cells == -1 || paddr_cells == -1)
                return paddr;
 
@@ -237,6 +237,10 @@
                cl = fdtbus_get_cells(buf, size_cells);
                buf += size_cells * 4;
 
+#ifdef FDTBUS_DEBUG
+               printf("%s: %s: cba=0x%#" PRIx64 ", pba=0x%#" PRIx64 ", cl=0x%#" PRIx64 "\n", __func__, fdt_get_name(fdtbus_get_data(), fdtbus_phandle2offset(phandle), NULL), cba, pba, cl);
+#endif
+
                if (paddr >= cba && paddr < cba + cl)
                        return fdtbus_decode_range(parent, pba) + (paddr - cba);