HelenOS sources

UCON_RX_INT_LEVEL  135 kernel/genarch/src/drivers/s3c24xx/uart.c 	    pio_read_32(&uart->io->ucon) & ~UCON_RX_INT_LEVEL);
UCON_RX_INT_LEVEL  192 uspace/srv/hw/char/s3c24xx_uart/s3c24xx_uart.c 	    pio_read_32(&uart->io->ucon) & ~UCON_RX_INT_LEVEL);
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