NTB: switchtec: Export class symbol for use in upper layer driver

We export the class pointer symbol and add an extern define in the Switchtec header file. Signed-off-by: Logan Gunthorpe <[email protected]> Reviewed-by: Stephen Bates <[email protected]> Reviewed-by: Kurt Schwemmer <[email protected]> Acked-by: Bjorn Helgaas <[email protected]> Signed-off-by: Jon Mason <[email protected]>
akeromi · Nov 19, 2017 · 302e994 · 302e994
1 parent 5a1c269
commit 302e994
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
@@ -33,9 +33,11 @@ module_param(max_devices, int, 0644);
 MODULE_PARM_DESC(max_devices, "max number of switchtec device instances");
 
 static dev_t switchtec_devt;
-static struct class *switchtec_class;
 static DEFINE_IDA(switchtec_minor_ida);
 
+struct class *switchtec_class;
+EXPORT_SYMBOL_GPL(switchtec_class);
+
 enum mrpc_state {
 	MRPC_IDLE = 0,
 	MRPC_QUEUED,

diff --git a/include/linux/switchtec.h b/include/linux/switchtec.h
@@ -276,4 +276,6 @@ static inline struct switchtec_dev *to_stdev(struct device *dev)
 	return container_of(dev, struct switchtec_dev, dev);
 }
 
+extern struct class *switchtec_class;
+
 #endif
-Original file line number
+Diff line change
@@ Expand Up @@
     	return container_of(dev, struct switchtec_dev, dev);
     }
+    extern struct class *switchtec_class;
     #endif