OEM strings are defined by each OEM and they contain customized and
useful OEM information. Supporting it provides more flexible uses of
the dmi_matches function.
Signed-off-by: Alex Hung <alex.hung@xxxxxxxxxxxxx>
---
drivers/firmware/dmi_scan.c | 8 ++++++++
include/linux/mod_devicetable.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index 7830419..e534d1b 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -797,11 +797,19 @@ static bool dmi_matches(const struct dmi_system_id *dmi)
else if (dmi->matches[i].exact_match &&
!strcmp(dmi_ident[s], dmi->matches[i].substr))
continue;
+ } else if (s == DMI_OEM_STRING) {
+ const struct dmi_device *valid;
+
+ valid = dmi_find_device(DMI_DEV_TYPE_OEM_STRING,
+ dmi->matches[i].substr, NULL);
+ if (valid)
+ continue;
}
/* No match */
return false;
}
+
return true;
}
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index abb6dc2..5739c4c 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -482,6 +482,7 @@ enum dmi_field {
DMI_CHASSIS_VERSION,
DMI_CHASSIS_SERIAL,
DMI_CHASSIS_ASSET_TAG,
+ DMI_OEM_STRING,
DMI_STRING_MAX,
};
--
2.7.4
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
