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| author | scwhab@suse.de <scwhab@suse.de> | 2005-10-28 17:46:20 -0700 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-10-29 14:35:58 +1000 |
| commit | dcb34abb4d9bae0588c5c11101ed6afcee71f895 (patch) | |
| tree | 41e79b5d302ddb08745e93891a6dd4e4a00c208a /drivers/macintosh/macio_sysfs.c | |
| parent | 35e95e63995f3e52178db4b769120ce60deb6b54 (diff) | |
| download | lwn-dcb34abb4d9bae0588c5c11101ed6afcee71f895.tar.gz lwn-dcb34abb4d9bae0588c5c11101ed6afcee71f895.zip | |
[PATCH] Add modalias to macio sysfs attributes
Provide a "compatible" entry in /sys/bus/macio/devices/*/ This can be used
to load drivers via the modules.alias file.
Signed-off-by: Olaf Hering <olh@suse.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'drivers/macintosh/macio_sysfs.c')
| -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 97d22bb4516a..7f7d4eaca870 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 }; |