WRITING_NULL      716 drivers/spi/spi-pl022.c 		case WRITING_NULL:
WRITING_NULL     1006 drivers/spi/spi-pl022.c 	case WRITING_NULL:
WRITING_NULL     1363 drivers/spi/spi-pl022.c 	    pl022->tx ? pl022->cur_chip->write : WRITING_NULL;