tpm1: implement tpm1_pcr_read_dev() using tpm_buf structure

Implement tpm1_pcr_read_dev() using tpm_buf and remove
now unneeded structures from tpm.h

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

1 files changed, 2 insertions, 16 deletions

diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 6895f183396b..51d147675b1f 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -382,13 +382,10 @@ typedef union {
 	struct	tpm_output_header out;
 } tpm_cmd_header;
 
-struct tpm_pcrread_out {
-	u8	pcr_result[TPM_DIGEST_SIZE];
+struct tpm_cmd_t {
+	tpm_cmd_header	header;
 } __packed;
 
-struct tpm_pcrread_in {
-	__be32	pcr_idx;
-} __packed;
 
 /* 128 bytes is an arbitrary cap. This could be as large as TPM_BUFSIZE - 18
  * bytes, but 128 is still a relatively large number of random bytes and
@@ -396,17 +393,6 @@ struct tpm_pcrread_in {
  * compiler warnings about stack frame size. */
 #define TPM_MAX_RNG_DATA	128
 
-typedef union {
-	struct	tpm_pcrread_in	pcrread_in;
-	struct	tpm_pcrread_out	pcrread_out;
-} tpm_cmd_params;
-
-struct tpm_cmd_t {
-	tpm_cmd_header	header;
-	tpm_cmd_params	params;
-} __packed;
-
-
 /* A string buffer type for constructing TPM commands. This is based on the
  * ideas of string buffer code in security/keys/trusted.h but is heap based
  * in order to keep the stack usage minimal.