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On So 12. November 2016 00:57 Chris Diamand wrote:
...
> +static const struct dmi_system_id byd_dmi_table[] = {
> + {
> + .matches = {
> + DMI_MATCH(DMI_PRODUCT_NAME, "SharkBay Platform"),
> + DMI_MATCH(DMI_PRODUCT_SERIAL, "System Serial Number"),
> + DMI_MATCH(DMI_BOARD_NAME, "WhiteTip Mountain1 Fab2"),
> + DMI_MATCH(DMI_CHASSIS_VENDOR, "To Be Filled By O.E.M."),
> + },
> + },
> +};
Hi! This looks very fragile. We really cannot test presence of some device
by DMI string "To Be Filled By O.E.M." or by "WhiteTip Mountain1 Fab2".
Look at other dmi detection code. We match full device and vendor.
...
> + if (!dmi_check_system(byd_dmi_table))
> + return -1;
> +
> if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES))
> return -1;
> if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES))
...
If we really have a problem when byd detect incorrect detect some non-byd
device as byd, we either needs:
1) extend detect code to include also parts of init sequence (this should
fix problem on wrongly detected non-byd devices, but init code on them
will take longer)
2) or use another detection technique, which will address above problem (
your "To Be Filled By O.E.M." is not good; maybe looking at ACPI?)
- --
Pali Rohár
pali.rohar@xxxxxxxxx
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