diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2009-11-23 20:07:00 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2009-11-23 20:07:00 -0700 |
| commit | 00e38efd90f27518ec96b37b1c7773e3ac529966 (patch) | |
| tree | 20980561a5187ac81b79a7badc9c473802ad9829 /drivers/of | |
| parent | ca900cfa2944448bdb76e1246f282e59bc65f472 (diff) | |
| download | linux-00e38efd90f27518ec96b37b1c7773e3ac529966.tar.bz2 | |
of/flattree: Merge of_flat_dt_is_compatible
Merge common code between PowerPC and Microblaze
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Tested-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/fdt.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index b17a9086cbfc..5cdd958db9af 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -142,3 +142,27 @@ void *__init of_get_flat_dt_prop(unsigned long node, const char *name, } while (1); } +/** + * of_flat_dt_is_compatible - Return true if given node has compat in compatible list + * @node: node to test + * @compat: compatible string to compare with compatible list. + */ +int __init of_flat_dt_is_compatible(unsigned long node, const char *compat) +{ + const char *cp; + unsigned long cplen, l; + + cp = of_get_flat_dt_prop(node, "compatible", &cplen); + if (cp == NULL) + return 0; + while (cplen > 0) { + if (strncasecmp(cp, compat, strlen(compat)) == 0) + return 1; + l = strlen(cp) + 1; + cp += l; + cplen -= l; + } + + return 0; +} + |