It's used in several places and more users may come.
By using this helper they may create a slightly cleaner code.

Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
 include/linux/dmi.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index 46e151172d95..241c27008c70 100644
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -147,4 +147,11 @@ static inline const struct dmi_system_id *
 
 #endif
 
+static inline int dmi_get_bios_year(void)
+{
+       int year;
+       dmi_get_date(DMI_BIOS_DATE, &year, NULL, NULL);
+       return year;
+}
+
 #endif /* __DMI_H__ */
-- 
2.16.1

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