diff mbox series

[v2,3/5] tpm: ppi: Display up to 101 operations as define for version 1.3

Message ID 20190117174135.2117937-4-stefanb@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series Extend TPM PPI interface to support revision 1.3 | expand

Commit Message

Stefan Berger Jan. 17, 2019, 5:41 p.m. UTC 
TPM PPI 1.3 defines operations up to number 101. We need to query up
to this number to show the user what the firmware implements.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Tested-by: David Safford <david.safford@ge.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
---
 drivers/char/tpm/tpm_ppi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c
index 88ecdae1df03..fdfd6271351e 100644
--- a/drivers/char/tpm/tpm_ppi.c
+++ b/drivers/char/tpm/tpm_ppi.c
@@ -28,7 +28,7 @@ 
 #define TPM_PPI_FN_GETRSP	5
 #define TPM_PPI_FN_SUBREQ2	7
 #define TPM_PPI_FN_GETOPR	8
-#define PPI_TPM_REQ_MAX		22
+#define PPI_TPM_REQ_MAX		101 /* PPI 1.3 for TPM 2 */
 #define PPI_VS_REQ_START	128
 #define PPI_VS_REQ_END		255