spiflash_strategy
dev_type_strategy(spiflash_strategy);
.d_strategy = spiflash_strategy,
.d_strategy = spiflash_strategy
return physio(spiflash_strategy, NULL, dev, B_READ, minphys, uio);
return physio(spiflash_strategy, NULL, dev, B_WRITE, minphys, uio);