diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 9c4163c..4747b68 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -279,7 +279,7 @@
 
 ssize_t	tpm_getcap(struct device *, __be32, cap_t *, const char *);
 
-extern void tpm_get_timeouts(struct tpm_chip *);
+extern int tpm_get_timeouts(struct tpm_chip *);
 extern void tpm_gen_interrupt(struct tpm_chip *);
 extern void tpm_continue_selftest(struct tpm_chip *);
 extern unsigned long tpm_calc_ordinal_duration(struct tpm_chip *, u32);