dmi: add support for exact DMI matches in addition to substring matching

[~andy/linux] / include / linux / mod_devicetable.h

diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index b508016fb76d3b912101695059044318d56150f4..b3bd7e737e8b847ebb356d1674047f3de33f3602 100644 (file)
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -456,7 +456,8 @@ enum dmi_field {
 };
 
 struct dmi_strmatch {
-       unsigned char slot;
+       unsigned char slot:7;
+       unsigned char exact_match:1;
        char substr[79];
 };
 
@@ -474,7 +475,8 @@ struct dmi_system_id {
  */
 #define dmi_device_id dmi_system_id
 
-#define DMI_MATCH(a, b)        { a, b }
+#define DMI_MATCH(a, b)        { .slot = a, .substr = b }
+#define DMI_EXACT_MATCH(a, b)  { .slot = a, .substr = b, .exact_match = 1 }
 
 #define PLATFORM_NAME_SIZE     20
 #define PLATFORM_MODULE_PREFIX "platform:"