diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/ofw/fdt.c | 21 | ||||
| -rw-r--r-- | sys/dev/ofw/openfirm.h | 3 |
2 files changed, 22 insertions, 2 deletions
diff --git a/sys/dev/ofw/fdt.c b/sys/dev/ofw/fdt.c index cdb588b3f5c..988cdbb8030 100644 --- a/sys/dev/ofw/fdt.c +++ b/sys/dev/ofw/fdt.c @@ -1,4 +1,4 @@ -/* $OpenBSD: fdt.c,v 1.8 2016/04/06 12:10:04 patrick Exp $ */ +/* $OpenBSD: fdt.c,v 1.9 2016/05/16 21:12:17 kettenis Exp $ */ /* * Copyright (c) 2009 Dariusz Swiderski <sfires@sfires.net> @@ -701,3 +701,22 @@ OF_getprop(int handle, char *prop, void *buf, int buflen) memcpy(buf, data, min(len, buflen)); return len; } + +int +OF_is_compatible(int handle, const char *name) +{ + void *node = (char *)tree.header + handle; + char *data; + int len; + + len = fdt_node_property(node, "compatible", &data); + while (len > 0) { + if (strcmp(data, name) == 0) + return 1; + len -= strlen(data) + 1; + data += strlen(data) + 1; + } + + return 0; +} + diff --git a/sys/dev/ofw/openfirm.h b/sys/dev/ofw/openfirm.h index 5affb5fcfa4..4b9c3cf0976 100644 --- a/sys/dev/ofw/openfirm.h +++ b/sys/dev/ofw/openfirm.h @@ -1,4 +1,4 @@ -/* $OpenBSD: openfirm.h,v 1.10 2007/10/14 17:26:59 kettenis Exp $ */ +/* $OpenBSD: openfirm.h,v 1.11 2016/05/16 21:12:17 kettenis Exp $ */ /* $NetBSD: openfirm.h,v 1.1 1996/09/30 16:35:10 ws Exp $ */ /* @@ -51,6 +51,7 @@ int OF_getprop(int handle, char *prop, void *buf, int buflen); int OF_setprop(int, char *, const void *, int); int OF_nextprop(int, char *, void *); int OF_finddevice(char *name); +int OF_is_compatible(int, const char *); int OF_instance_to_path(int ihandle, char *buf, int buflen); int OF_package_to_path(int phandle, char *buf, int buflen); int OF_call_method_1(char *method, int ihandle, int nargs, ...); |