ipack: Remove usage of the deprecated ida_simple_xx() API

ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().

This is less verbose.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Vaibhav Gupta <vaibhavgupta40@gmail.com>
Link: https://lore.kernel.org/r/435bd17b8a5ddb2fc3e42e2796117ee02263d02a.1698831664.git.christophe.jaillet@wanadoo.frSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/ipack/ipack.c

@@ -207,7 +207,7 @@ struct ipack_bus_device *ipack_bus_register(struct device *parent, int slots,
 	if (!bus)
 		return NULL;
 
-	bus_nr = ida_simple_get(&ipack_ida, 0, 0, GFP_KERNEL);
+	bus_nr = ida_alloc(&ipack_ida, GFP_KERNEL);
 	if (bus_nr < 0) {
 		kfree(bus);
 		return NULL;
@@ -237,7 +237,7 @@ int ipack_bus_unregister(struct ipack_bus_device *bus)
 {
 	bus_for_each_dev(&ipack_bus_type, NULL, bus,
 		ipack_unregister_bus_member);
-	ida_simple_remove(&ipack_ida, bus->bus_nr);
+	ida_free(&ipack_ida, bus->bus_nr);
 	kfree(bus);
 	return 0;
 }