>
> Is there a best way to mount /data ?
>
Sure. Mount it writable :-)
/data needs to be writable. So in case of ARM android, it needs to one some
writable MTD partition. Or in case of Android-X86, it needs to be a normal
hard disk partition. It could also be on some other media, SD-Card,
CF
>
> [3.482177] input: gpio-keys as /devices/platform/gpio-keys/input/input0
> [3.490539] zxy100: zxy100_init
> [3.490539] Unable to handle kernel NULL pointer dereference at virtual
> address 0060
> ...
[3.523529] PC is at internal_create_group+0x24/0x1d8
> [3.531311] LR
There are more USB touchscreen drivers that can store calibration data in
EEPROM, e.g. the DMC TSC-10/25. I know, because I contributed the part to
handle this USB touchscreen controller into the kernel :-)
>
>
> But in my application I kept the calibration data in the filesystem, and
the hard
