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Commit a97015c9 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
Browse files

greybus: bundle: add bundle_id attribute 



Add a bundle_id attribute for the interface-unique id of a bundle that
user space can use for matching.

Signed-off-by: default avatarJohan Hovold <johan@hovoldconsulting.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parent 2b14daba

drivers/staging/greybus/Documentation/sysfs-bus-greybus

+7 −0
Original line number Diff line number Diff line
@@ -104,6 +104,13 @@ Contact: Greg Kroah-Hartman <greg@kroah.com> 
Description:

		The greybus class of the bundle B.



What:		/sys/bus/greybus/device/N-I.B/bundle_id

Date:		October 2015

KernelVersion:	4.XX

Contact:	Greg Kroah-Hartman <greg@kroah.com>

Description:

		The interface-unique id of the bundle B.



What:		/sys/bus/greybus/device/N-I.B/state

Date:		October 2015

KernelVersion:	4.XX

drivers/staging/greybus/bundle.c

+10 −0
Original line number Diff line number Diff line
@@ -18,6 +18,15 @@ static ssize_t bundle_class_show(struct device *dev, 
}

static DEVICE_ATTR_RO(bundle_class);



static ssize_t bundle_id_show(struct device *dev,

			      struct device_attribute *attr, char *buf)

{

	struct gb_bundle *bundle = to_gb_bundle(dev);



	return sprintf(buf, "%u\n", bundle->id);

}

static DEVICE_ATTR_RO(bundle_id);



static ssize_t state_show(struct device *dev, struct device_attribute *attr,

			  char *buf)

{
@@ -49,6 +58,7 @@ static DEVICE_ATTR_RW(state); 


static struct attribute *bundle_attrs[] = {

	&dev_attr_bundle_class.attr,

	&dev_attr_bundle_id.attr,

	&dev_attr_state.attr,

	NULL,

};