---

yaml --- r: 343383 b: refs/heads/master c: 9368dac h: refs/heads/master i: 343381: b51dc59 343379: 3b6c7fb 343375: f62f9cc v: v3
git-mirror · Nov 23, 2012 · b3945b1 · b3945b1
1 parent d47fe39
commit b3945b1
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Showing 3 changed files with 18 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 36eb2caa7bace31b7868a57f77cb148e58d1c9f9
+refs/heads/master: 9368dac4367cd9a61ef75a745c6e26d0dd164172
diff --git a/trunk/arch/s390/include/asm/ccwdev.h b/trunk/arch/s390/include/asm/ccwdev.h
@@ -18,6 +18,9 @@ struct irb;
 struct ccw1;
 struct ccw_dev_id;
 
+/* from asm/schid.h */
+struct subchannel_id;
+
 /* simplified initializers for struct ccw_device:
  * CCW_DEVICE and CCW_DEVICE_DEVTYPE initialize one
  * entry in your MODULE_DEVICE_TABLE and set the match_flag correctly */
@@ -226,5 +229,7 @@ int ccw_device_siosl(struct ccw_device *);
 // FIXME: these have to go
 extern int _ccw_device_get_subchannel_number(struct ccw_device *);
 
+extern void ccw_device_get_schid(struct ccw_device *, struct subchannel_id *);
+
 extern void *ccw_device_get_chp_desc(struct ccw_device *, int);
 #endif /* _S390_CCWDEV_H_ */
diff --git a/trunk/drivers/s390/cio/device_ops.c b/trunk/drivers/s390/cio/device_ops.c
@@ -763,6 +763,18 @@ _ccw_device_get_subchannel_number(struct ccw_device *cdev)
 	return cdev->private->schid.sch_no;
 }
 
+/**
+ * ccw_device_get_schid - obtain a subchannel id
+ * @cdev: device to obtain the id for
+ * @schid: where to fill in the values
+ */
+void ccw_device_get_schid(struct ccw_device *cdev, struct subchannel_id *schid)
+{
+	struct subchannel *sch = to_subchannel(cdev->dev.parent);
+
+	*schid = sch->schid;
+}
+EXPORT_SYMBOL_GPL(ccw_device_get_schid);
 
 MODULE_LICENSE("GPL");
 EXPORT_SYMBOL(ccw_device_set_options_mask);