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Groups > linux.kernel > #1690408

[PATCH v2 02/16] switchtec: export class symbol for use in upper layer driver

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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>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
---
 drivers/pci/switch/switchtec.c | 4 +++-
 include/linux/switchtec.h      | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 5b75d3008ff8..39c9218d733f 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 1cbd0e63b0ab..18e388101855 100644
--- 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
-- 
2.11.0

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Thread

[PATCH v2 00/16] Switchtec NTB Support Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 18:10 +0200
  [PATCH v2 12/16] switchtec_ntb: add link management Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 18:10 +0200
  [PATCH v2 04/16] switchtec: add link event notifier callback Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 18:10 +0200
  [PATCH v2 11/16] switchtec_ntb: add skeleton NTB driver Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 18:10 +0200
  [PATCH v2 15/16] switchtec_ntb: add memory window support Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 18:10 +0200
  [PATCH v2 13/16] switchtec_ntb: implement doorbell registers Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 18:10 +0200
  [PATCH v2 07/16] ntb: ntb_test: ensure the link is up before trying to configure the mws Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 18:10 +0200
  [PATCH v2 02/16] switchtec: export class symbol for use in upper layer driver Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 18:10 +0200
  [PATCH v2 03/16] switchtec: add NTB hardware register definitions Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 18:10 +0200
  [PATCH v2 16/16] switchtec_ntb: update switchtec documentation with notes for NTB Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 18:10 +0200
  [PATCH v2 01/16] switchtec: move structure definitions into a common header Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 18:10 +0200
  RE: [PATCH v2 00/16] Switchtec NTB Support "Allen Hubbe" <Allen.Hubbe@dell.com> - 2017-07-18 20:00 +0200
    Re: [PATCH v2 00/16] Switchtec NTB Support Logan Gunthorpe <logang@deltatee.com> - 2017-07-18 20:10 +0200

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