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1=============2PCMCIA Driver3=============4 5sysfs6-----7 8New PCMCIA IDs may be added to a device driver pcmcia_device_id table at9runtime as shown below::10 11 echo "match_flags manf_id card_id func_id function device_no \12 prod_id_hash[0] prod_id_hash[1] prod_id_hash[2] prod_id_hash[3]" > \13 /sys/bus/pcmcia/drivers/{driver}/new_id14 15All fields are passed in as hexadecimal values (no leading 0x).16The meaning is described in the PCMCIA specification, the match_flags is17a bitwise or-ed combination from PCMCIA_DEV_ID_MATCH_* constants18defined in include/linux/mod_devicetable.h.19 20Once added, the driver probe routine will be invoked for any unclaimed21PCMCIA device listed in its (newly updated) pcmcia_device_id list.22 23A common use-case is to add a new device according to the manufacturer ID24and the card ID (form the manf_id and card_id file in the device tree).25For this, just use::26 27 echo "0x3 manf_id card_id 0 0 0 0 0 0 0" > \28 /sys/bus/pcmcia/drivers/{driver}/new_id29 30after loading the driver.31