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[02/16] switchtec: export class symbol for use in upper layer driver

Message ID 20170629032648.3073-3-logang@deltatee.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Logan Gunthorpe June 29, 2017, 3:26 a.m. UTC 
We export the class pointer symbol and add an extern define in the
switchtec header file.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Stephen Bates <sbates@raithlin.com>
Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com>
---
 drivers/pci/switch/switchtec.c | 4 +++-
 include/linux/switchtec.h      | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index a27b2bacad5a..fc139ee3fa73 100644
--- 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
index 508cda78a430..24e598ebbcf7 100644
--- a/include/linux/switchtec.h
+++ b/include/linux/switchtec.h
@@ -267,4 +267,6 @@  static inline struct switchtec_dev *to_stdev(struct device *dev)
 	return container_of(dev, struct switchtec_dev, dev);
 }
 
+extern struct class *switchtec_class;
+
 #endif