drivers/fmc: change registration prototype

Permit use of either fmc_device_register_n or fmc_device_register_n_gw
depending on the type of device in use.

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
Tested-by: Pat Riehecky <riehecky@fnal.gov>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/fmc.h b/include/linux/fmc.h
index 5c8df0c..b6c73d5 100644
--- a/include/linux/fmc.h
+++ b/include/linux/fmc.h
@@ -220,14 +220,23 @@ static inline void fmc_set_drvdata(struct fmc_device *fmc, void *data)
 	dev_set_drvdata(&fmc->dev, data);
 }
 
-/* The 4 access points */
+struct fmc_gateware {
+	void *bitstream;
+	unsigned long len;
+};
+
+/* The 5 access points */
 extern int fmc_driver_register(struct fmc_driver *drv);
 extern void fmc_driver_unregister(struct fmc_driver *drv);
 extern int fmc_device_register(struct fmc_device *tdev);
+extern int fmc_device_register_gw(struct fmc_device *tdev,
+				  struct fmc_gateware *gw);
 extern void fmc_device_unregister(struct fmc_device *tdev);
 
-/* Two more for device sets, all driven by the same FPGA */
+/* Three more for device sets, all driven by the same FPGA */
 extern int fmc_device_register_n(struct fmc_device **devs, int n);
+extern int fmc_device_register_n_gw(struct fmc_device **devs, int n,
+				    struct fmc_gateware *gw);
 extern void fmc_device_unregister_n(struct fmc_device **devs, int n);
 
 /* Internal cross-calls between files; not exported to other modules */