staging: gasket: remove gasket_interrupt_get_eventfd_ctxs()

It is exported, yet no one calls it so just remove the dead code.

Cc: Rob Springer <rspringer@google.com>
Cc: John Joseph <jnjoseph@google.com>
Cc: Ben Chan <benchan@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/gasket/gasket_interrupt.c

@@ -522,13 +522,6 @@ struct msix_entry *gasket_interrupt_get_msix_entries(
 	return interrupt_data->msix_entries;
 }
 
-struct eventfd_ctx **gasket_interrupt_get_eventfd_ctxs(
-	struct gasket_interrupt_data *interrupt_data)
-{
-	return interrupt_data->eventfd_ctxs;
-}
-EXPORT_SYMBOL(gasket_interrupt_get_eventfd_ctxs);
-
 static ssize_t interrupt_sysfs_show(
 	struct device *device, struct device_attribute *attr, char *buf)
 {

drivers/staging/gasket/gasket_interrupt.h

@@ -128,18 +128,6 @@ int gasket_interrupt_trigger_eventfd(
 struct msix_entry *gasket_interrupt_get_msix_entries(
 	struct gasket_interrupt_data *interrupt_data);
 
-/*
- * Get a pointer to data's eventfd contexts.
- * @data: The interrupt data from which to extract.
- *
- * Returns the internal pointer to data's eventfd contexts.
- *
- * This function exists for backwards compatibility with older drivers.
- * No new uses should be written.
- */
-struct eventfd_ctx **gasket_interrupt_get_eventfd_ctxs(
-	struct gasket_interrupt_data *interrupt_data);
-
 /*
  * Get the health of the interrupt subsystem.
  * @gasket_dev: The Gasket device struct.