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path: root/drivers/firmware/dmi_scan.c
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Diffstat (limited to 'drivers/firmware/dmi_scan.c')
-rw-r--r--drivers/firmware/dmi_scan.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index f59163cb7cba..5066d1f1d687 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -186,6 +186,34 @@ static void __init dmi_save_ident(const struct dmi_header *dm, int slot,
dmi_ident[slot] = p;
}
+static void __init dmi_save_release(const struct dmi_header *dm, int slot,
+ int index)
+{
+ const u8 *minor, *major;
+ char *s;
+
+ /* If the table doesn't have the field, let's return */
+ if (dmi_ident[slot] || dm->length < index)
+ return;
+
+ minor = (u8 *) dm + index;
+ major = (u8 *) dm + index - 1;
+
+ /* As per the spec, if the system doesn't support this field,
+ * the value is FF
+ */
+ if (*major == 0xFF && *minor == 0xFF)
+ return;
+
+ s = dmi_alloc(8);
+ if (!s)
+ return;
+
+ sprintf(s, "%u.%u", *major, *minor);
+
+ dmi_ident[slot] = s;
+}
+
static void __init dmi_save_uuid(const struct dmi_header *dm, int slot,
int index)
{
@@ -444,6 +472,8 @@ static void __init dmi_decode(const struct dmi_header *dm, void *dummy)
dmi_save_ident(dm, DMI_BIOS_VENDOR, 4);
dmi_save_ident(dm, DMI_BIOS_VERSION, 5);
dmi_save_ident(dm, DMI_BIOS_DATE, 8);
+ dmi_save_release(dm, DMI_BIOS_RELEASE, 21);
+ dmi_save_release(dm, DMI_EC_FIRMWARE_RELEASE, 23);
break;
case 1: /* System Information */
dmi_save_ident(dm, DMI_SYS_VENDOR, 4);