diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/macintosh/macio_sysfs.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/macintosh/macio_sysfs.c b/drivers/macintosh/macio_sysfs.c index 97d22bb4516..7f7d4eaca87 100644 --- a/drivers/macintosh/macio_sysfs.c +++ b/drivers/macintosh/macio_sysfs.c @@ -39,6 +39,31 @@ compatible_show (struct device *dev, struct device_attribute *attr, char *buf) return length; } +static ssize_t modalias_show (struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct of_device *of; + char *compat; + int cplen; + int length; + + of = &to_macio_device (dev)->ofdev; + compat = (char *) get_property (of->node, "compatible", &cplen); + if (!compat) compat = "", cplen = 1; + length = sprintf (buf, "of:N%sT%s", of->node->name, of->node->type); + buf += length; + while (cplen > 0) { + int l; + length += sprintf (buf, "C%s", compat); + buf += length; + l = strlen (compat) + 1; + compat += l; + cplen -= l; + } + + return length; +} + macio_config_of_attr (name, "%s\n"); macio_config_of_attr (type, "%s\n"); @@ -46,5 +71,6 @@ struct device_attribute macio_dev_attrs[] = { __ATTR_RO(name), __ATTR_RO(type), __ATTR_RO(compatible), + __ATTR_RO(modalias), __ATTR_NULL }; |