REG_IF_TXBL       200 drivers/spi/spi-efm32.c 	efm32_spi_write32(ddata, REG_IF_TXBL | REG_IF_RXDATAV, REG_IEN);
REG_IF_TXBL       269 drivers/spi/spi-efm32.c 		ien &= ~REG_IF_TXBL;