Hello,
I am trying to write a device driver for the accelerometer (Fujitsu Shock Sensor) found in my Fujitsu Lifebook laptop. By watching the Windows driver I figured out that it performs IO at address 0xfd70 and 0xfd74.
I am using 2.6.31 and the request_region() fails for the above mentioned addresses.
/proc/ioport on my computer has fd00-fd7f : pnp 00:01
cat /sys/bus/pnp/devices/00:01/id gives me PNP0c02
cat /sys/bus/pnp/devices/00:01/firmware_node/path gives me \_SB_.PCI0.MBIO
Apparently the required addresses have already been claimed by pnp 00:1 as some kind of mother board resource causing my request_region() to fail. Wondering if there is some other way to steal those addresses from the pnp driver?
Sonal
