1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 4f005345bf37..1d28485b8fb3 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -63,6 +63,7 @@ struct tpm_vendor_specific {
         u8 (*status) (struct tpm_chip *);
         struct miscdevice miscdev;
         struct attribute_group *attr_group;
+        u32 duration[3];
 };
 
 struct tpm_chip {
@@ -100,6 +101,7 @@ static inline void tpm_write_index(int base, int index, int value)
         outb(value & 0xFF, base+1);
 }
 
+extern unsigned long tpm_calc_ordinal_duration(struct tpm_chip *, u32);
 extern struct tpm_chip* tpm_register_hardware(struct device *,
                                  const struct tpm_vendor_specific *);
 extern int tpm_open(struct inode *, struct file *);