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Commit dcb34abb authored by scwhab@suse.de's avatar scwhab@suse.de Committed by Paul Mackerras
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[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: default avatarOlaf Hering <olh@suse.de>
Acked-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 35e95e63

drivers/macintosh/macio_sysfs.c

+26 −0
Original line number Original line Diff line number Diff line
@@ -39,6 +39,31 @@ compatible_show (struct device *dev, struct device_attribute *attr, char *buf) 
	return length;

	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 (name, "%s\n");

macio_config_of_attr (type, "%s\n");

macio_config_of_attr (type, "%s\n");
@@ -46,5 +71,6 @@ struct device_attribute macio_dev_attrs[] = { 
	__ATTR_RO(name),

	__ATTR_RO(name),

	__ATTR_RO(type),

	__ATTR_RO(type),

	__ATTR_RO(compatible),

	__ATTR_RO(compatible),

	__ATTR_RO(modalias),

	__ATTR_NULL

	__ATTR_NULL

};
 
};