RX_FIFO_EMPTY     238 drivers/net/ethernet/moxa/moxart_ether.h #define RX_FIFO_EMPTY		BIT(26)
RX_FIFO_EMPTY      47 drivers/spi/spi-pic32.c #define  RX_FIFO_EMPTY		0
RX_FIFO_EMPTY     200 sound/soc/ux500/ux500_msp_i2s.h #define RX_FIFO_EMPTY		BIT(1)