rapidio: rework device hierarchy and introduce mport class of devices

[firefly-linux-kernel-4.4.55.git] / drivers / rapidio / rio-sysfs.c

diff --git a/drivers/rapidio/rio-sysfs.c b/drivers/rapidio/rio-sysfs.c
index e0221c6d0cc238543cc84557a9ffb176a64c23f3..cdb005c0094df0b58362db0e6a4b462afd2f0621 100644 (file)
--- a/drivers/rapidio/rio-sysfs.c
+++ b/drivers/rapidio/rio-sysfs.c
@@ -341,3 +341,43 @@ const struct attribute_group *rio_bus_groups[] = {
        &rio_bus_group,
        NULL,
 };
+
+static ssize_t
+port_destid_show(struct device *dev, struct device_attribute *attr,
+                char *buf)
+{
+       struct rio_mport *mport = to_rio_mport(dev);
+
+       if (mport)
+               return sprintf(buf, "0x%04x\n", mport->host_deviceid);
+       else
+               return -ENODEV;
+}
+static DEVICE_ATTR_RO(port_destid);
+
+static ssize_t sys_size_show(struct device *dev, struct device_attribute *attr,
+                          char *buf)
+{
+       struct rio_mport *mport = to_rio_mport(dev);
+
+       if (mport)
+               return sprintf(buf, "%u\n", mport->sys_size);
+       else
+               return -ENODEV;
+}
+static DEVICE_ATTR_RO(sys_size);
+
+static struct attribute *rio_mport_attrs[] = {
+       &dev_attr_port_destid.attr,
+       &dev_attr_sys_size.attr,
+       NULL,
+};
+
+static const struct attribute_group rio_mport_group = {
+       .attrs = rio_mport_attrs,
+};
+
+const struct attribute_group *rio_mport_groups[] = {
+       &rio_mport_group,
+       NULL,
+};