greybus: operation: remove gb_operation_destroy

Remove legacy interface to "destroy" operations, which is now just a
wrapper for gb_operation_put.

The old interface name hides the fact that all operations are refcounted
and may live on even after having "destroyed" them.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/hid.c

@@ -92,7 +92,8 @@ static int gb_hid_set_report(struct gb_hid *ghid, u8 report_type, u8 report_id,
 		ret = len;
 	}
 
-	gb_operation_destroy(operation);
+	gb_operation_put(operation);
+
 	return ret;
 }
 

drivers/staging/greybus/i2c.c

@@ -218,7 +218,8 @@ static int gb_i2c_transfer_operation(struct gb_i2c_device *gb_i2c_dev,
 	} else if (!gb_i2c_expected_transfer_error(ret)) {
 		pr_err("transfer operation failed (%d)\n", ret);
 	}
-	gb_operation_destroy(operation);
+
+	gb_operation_put(operation);
 
 	return ret;
 }

drivers/staging/greybus/loopback.c

@@ -402,7 +402,8 @@ static int gb_loopback_operation_sync(struct gb_loopback *gb, int type,
 				response_size);
 		}
 	}
-	gb_operation_destroy(operation);
+
+	gb_operation_put(operation);
 
 error:
 	do_gettimeofday(&te);

drivers/staging/greybus/operation.c

@@ -1035,7 +1035,8 @@ int gb_operation_sync_timeout(struct gb_connection *connection, int type,
 			       response_size);
 		}
 	}
-	gb_operation_destroy(operation);
+
+	gb_operation_put(operation);
 
 	return ret;
 }

drivers/staging/greybus/operation.h

@@ -131,10 +131,6 @@ struct gb_operation *gb_operation_create(struct gb_connection *connection,
 					gfp_t gfp);
 void gb_operation_get(struct gb_operation *operation);
 void gb_operation_put(struct gb_operation *operation);
-static inline void gb_operation_destroy(struct gb_operation *operation)
-{
-	gb_operation_put(operation);
-}
 
 bool gb_operation_response_alloc(struct gb_operation *operation,
 					size_t response_size, gfp_t gfp);

drivers/staging/greybus/spi.c

@@ -156,7 +156,8 @@ static int gb_spi_transfer_one_message(struct spi_master *master,
 	} else {
 		pr_err("transfer operation failed (%d)\n", ret);
 	}
-	gb_operation_destroy(operation);
+
+	gb_operation_put(operation);
 
 	msg->actual_length = len;
 	msg->status = 0;