fpga: altera-pr-ip: Remove function alt_pr_unregister

Remove the alt_pr_unregister() function; it is no longer used.

Signed-off-by: Russ Weight <[e-mail]>
Reviewed-by: Xu Yilun <[e-mail]>
Signed-off-by: Moritz Fischer <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/fpga/altera-pr-ip-core.c

···
 }
 EXPORT_SYMBOL_GPL(alt_pr_register);
 
-void alt_pr_unregister(struct device *dev)
-{
-	struct fpga_manager *mgr = dev_get_drvdata(dev);
-
-	dev_dbg(dev, "%s\n", __func__);
-
-	fpga_mgr_unregister(mgr);
-}
-EXPORT_SYMBOL_GPL(alt_pr_unregister);
-
 MODULE_AUTHOR("Matthew Gerlach <[e-mail]>");
 MODULE_DESCRIPTION("Altera Partial Reconfiguration IP Core");
 MODULE_LICENSE("GPL v2");

include/linux/fpga/altera-pr-ip-core.h

···
 #include <linux/io.h>
 
 int alt_pr_register(struct device *dev, void __iomem *reg_base);
-void alt_pr_unregister(struct device *dev);
 
 #endif /* _ALT_PR_IP_CORE_H */