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Diffstat (limited to 'include/linux/gameport.h')
-rw-r--r--include/linux/gameport.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/gameport.h b/include/linux/gameport.h
index 0a221e768ea4..86d62fdafd7a 100644
--- a/include/linux/gameport.h
+++ b/include/linux/gameport.h
@@ -58,12 +58,12 @@ struct gameport_driver {
bool ignore;
};
-#define to_gameport_driver(d) container_of(d, struct gameport_driver, driver)
+#define to_gameport_driver(d) container_of_const(d, struct gameport_driver, driver)
int gameport_open(struct gameport *gameport, struct gameport_driver *drv, int mode);
void gameport_close(struct gameport *gameport);
-#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
+#if IS_REACHABLE(CONFIG_GAMEPORT)
void __gameport_register_port(struct gameport *gameport, struct module *owner);
/* use a define to avoid include chaining to get THIS_MODULE */