[PATCH] tpm: add cancel function

This patch provides the logic to check if an operation has been canceled while
waiting for the response to arrive.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index a3ff4dc5bdb3..714cb16b32cb 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -49,6 +49,7 @@ struct tpm_chip;
 struct tpm_vendor_specific {
         u8 req_complete_mask;
         u8 req_complete_val;
+        u8 req_canceled;
         u16 base;               /* TPM base address */
 
         int (*recv) (struct tpm_chip *, u8 *, size_t);