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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-08-21 09:39:55 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-09-21 10:29:40 +0200 |
commit | 2df56dbd60bb5d925d2ce0ddbdefdbe6107ea783 (patch) | |
tree | bd7bad558534db4a1f400bc38a2c9aa7ea4f411e /freebsd/sys/dev/ofw/ofw_fdt.c | |
parent | Update to FreeBSD head 2018-02-01 (diff) | |
download | rtems-libbsd-2df56dbd60bb5d925d2ce0ddbdefdbe6107ea783.tar.bz2 |
Update to FreeBSD head 2018-04-01
Git mirror commit 8dfb1ccc26d1cea7e2529303003ff61f9f1784c4.
Update #3472.
Diffstat (limited to 'freebsd/sys/dev/ofw/ofw_fdt.c')
-rw-r--r-- | freebsd/sys/dev/ofw/ofw_fdt.c | 56 |
1 files changed, 18 insertions, 38 deletions
diff --git a/freebsd/sys/dev/ofw/ofw_fdt.c b/freebsd/sys/dev/ofw/ofw_fdt.c index b9266eb5..8878b5c9 100644 --- a/freebsd/sys/dev/ofw/ofw_fdt.c +++ b/freebsd/sys/dev/ofw/ofw_fdt.c @@ -182,7 +182,7 @@ fdt_phandle_offset(phandle_t p) static phandle_t ofw_fdt_peer(ofw_t ofw, phandle_t node) { - int depth, offset; + int offset; if (node == 0) { /* Find root node */ @@ -194,39 +194,21 @@ ofw_fdt_peer(ofw_t ofw, phandle_t node) offset = fdt_phandle_offset(node); if (offset < 0) return (0); - - for (depth = 1, offset = fdt_next_node(fdtp, offset, &depth); - offset >= 0; - offset = fdt_next_node(fdtp, offset, &depth)) { - if (depth < 0) - return (0); - if (depth == 1) - return (fdt_offset_phandle(offset)); - } - - return (0); + offset = fdt_next_subnode(fdtp, offset); + return (fdt_offset_phandle(offset)); } /* Return the first child of this node or 0. */ static phandle_t ofw_fdt_child(ofw_t ofw, phandle_t node) { - int depth, offset; + int offset; offset = fdt_phandle_offset(node); if (offset < 0) return (0); - - for (depth = 0, offset = fdt_next_node(fdtp, offset, &depth); - (offset >= 0) && (depth > 0); - offset = fdt_next_node(fdtp, offset, &depth)) { - if (depth < 0) - return (0); - if (depth == 1) - return (fdt_offset_phandle(offset)); - } - - return (0); + offset = fdt_first_subnode(fdtp, offset); + return (fdt_offset_phandle(offset)); } /* Return the parent of this node or 0. */ @@ -349,27 +331,25 @@ ofw_fdt_nextprop(ofw_t ofw, phandle_t package, const char *previous, char *buf, if (offset < 0) return (-1); - /* Find the first prop in the node */ - offset = fdt_first_property_offset(fdtp, offset); - if (offset < 0) - return (0); /* No properties */ - - if (previous != NULL) { - while (offset >= 0) { + if (previous == NULL) + /* Find the first prop in the node */ + offset = fdt_first_property_offset(fdtp, offset); + else { + fdt_for_each_property_offset(offset, fdtp, offset) { prop = fdt_getprop_by_offset(fdtp, offset, &name, NULL); if (prop == NULL) return (-1); /* Internal error */ - + /* Skip until we find 'previous', then bail out */ + if (strcmp(name, previous) != 0) + continue; offset = fdt_next_property_offset(fdtp, offset); - if (offset < 0) - return (0); /* No more properties */ - - /* Check if the last one was the one we wanted */ - if (strcmp(name, previous) == 0) - break; + break; } } + if (offset < 0) + return (0); /* No properties */ + prop = fdt_getprop_by_offset(fdtp, offset, &name, &offset); if (prop == NULL) return (-1); /* Internal error */ |