[src/netbsd-9]: src/sys/arch/arm/arm32 Pull up following revision(s) (request...

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

details:   https://anonhg.NetBSD.org/src/rev/82e9c0824aba
branches:  netbsd-9
changeset: 454659:82e9c0824aba
user:      martin <martin%NetBSD.org@localhost>
date:      Tue Sep 24 02:52:09 2019 +0000

description:
Pull up following revision(s) (requested by jmcneill in ticket #236):

        sys/arch/arm/arm32/bus_dma.c: revision 1.116

bus_dmamap_load_raw: support coherent mappings
bus_dmamap_sync: support syncing "raw" buffer types

diffstat:

 sys/arch/arm/arm32/bus_dma.c |  16 +++++++++-------
 1 files changed, 9 insertions(+), 7 deletions(-)

diffs (59 lines):

diff -r 48e6ad0e118f -r 82e9c0824aba sys/arch/arm/arm32/bus_dma.c
--- a/sys/arch/arm/arm32/bus_dma.c      Tue Sep 24 02:50:36 2019 +0000
+++ b/sys/arch/arm/arm32/bus_dma.c      Tue Sep 24 02:52:09 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bus_dma.c,v 1.115 2019/06/14 09:09:12 skrll Exp $      */
+/*     $NetBSD: bus_dma.c,v 1.115.2.1 2019/09/24 02:52:09 martin Exp $ */
 
 /*-
  * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@@ -36,7 +36,7 @@
 #include "opt_cputypes.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.115 2019/06/14 09:09:12 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.115.2.1 2019/09/24 02:52:09 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -750,8 +750,10 @@
                sgsize = MIN(ds->ds_len, size);
                if (sgsize == 0)
                        continue;
+               const bool coherent =
+                   (ds->_ds_flags & _BUS_DMAMAP_COHERENT) != 0;
                error = _bus_dmamap_load_paddr(t, map, ds->ds_addr,
-                   sgsize, false);
+                   sgsize, coherent);
                if (error != 0)
                        break;
                size -= sgsize;
@@ -766,6 +768,9 @@
        /* XXX TBD bounce */
 
        map->dm_mapsize = size0;
+       map->_dm_origbuf = NULL;
+       map->_dm_buftype = _BUS_DMA_BUFTYPE_RAW;
+       map->_dm_vmspace = NULL;
        return 0;
 }
 
@@ -1165,6 +1170,7 @@
 
        switch (buftype) {
        case _BUS_DMA_BUFTYPE_LINEAR:
+       case _BUS_DMA_BUFTYPE_RAW:
                _bus_dmamap_sync_linear(t, map, offset, len, ops);
                break;
 
@@ -1176,10 +1182,6 @@
                _bus_dmamap_sync_uio(t, map, offset, len, ops);
                break;
 
-       case _BUS_DMA_BUFTYPE_RAW:
-               panic("_bus_dmamap_sync: _BUS_DMA_BUFTYPE_RAW");
-               break;
-
        case _BUS_DMA_BUFTYPE_INVALID:
                panic("_bus_dmamap_sync: _BUS_DMA_BUFTYPE_INVALID");
                break;