MLCISR_NAND_READY
(MLCISR_CONTROLLER_READY | MLCISR_NAND_READY)) ==
(MLCISR_CONTROLLER_READY | MLCISR_NAND_READY))
if (readb(MLC_ISR(host->io_base)) & MLCISR_NAND_READY)
while (!(readb(MLC_ISR(host->io_base)) & MLCISR_NAND_READY)) {