CMD_PORT
outb_p(ISSUE_BYTE, (adapter)->base + CMD_PORT)
if (!request_muxed_region(CMD_PORT, CMD_SIZE, DRVNAME))
release_region(CMD_PORT, CMD_SIZE);
if (!request_muxed_region(CMD_PORT, CMD_SIZE, DRVNAME))
release_region(CMD_PORT, CMD_SIZE);
outb(cmd, CMD_PORT);