dm: tpm: Remove every compilation switch for TPM driver model

As every TPM drivers support UCLASS_TPM, we can only rely on DM_TPM
functions.

This simplify a bit the code.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Christophe Ricard
2015-10-06 22:54:43 +02:00
committed by Simon Glass
parent 302c5dba0a
commit c2b0f600a1
6 changed files with 4 additions and 97 deletions

View File

@@ -1,60 +0,0 @@
/*
* Copyright (c) 2011 The Chromium OS Authors.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __TIS_H
#define __TIS_H
#ifndef CONFIG_DM_TPM
#include <common.h>
/* Low-level interface to access TPM */
/*
* tis_init()
*
* Initialize the TPM device. Returns 0 on success or -1 on
* failure (in case device probing did not succeed).
*/
int tis_init(void);
/*
* tis_open()
*
* Requests access to locality 0 for the caller. After all commands have been
* completed the caller is supposed to call tis_close().
*
* Returns 0 on success, -1 on failure.
*/
int tis_open(void);
/*
* tis_close()
*
* terminate the currect session with the TPM by releasing the locked
* locality. Returns 0 on success of -1 on failure (in case lock
* removal did not succeed).
*/
int tis_close(void);
/*
* tis_sendrecv()
*
* Send the requested data to the TPM and then try to get its response
*
* @sendbuf - buffer of the data to send
* @send_size size of the data to send
* @recvbuf - memory to save the response to
* @recv_len - pointer to the size of the response buffer
*
* Returns 0 on success (and places the number of response bytes at recv_len)
* or -1 on failure.
*/
int tis_sendrecv(const uint8_t *sendbuf, size_t send_size, uint8_t *recvbuf,
size_t *recv_len);
#endif
#endif /* __TIS_H */

View File

@@ -8,8 +8,6 @@
#ifndef __TPM_H
#define __TPM_H
#include <tis.h>
/*
* Here is a partial implementation of TPM commands. Please consult TCG Main
* Specification for definitions of TPM commands.
@@ -196,8 +194,6 @@ struct tpm_permanent_flags {
u8 disable_full_da_logic_info;
} __packed;
#ifdef CONFIG_DM_TPM
/* Max buffer size supported by our tpm */
#define TPM_DEV_BUFSIZE 1260
@@ -375,8 +371,6 @@ int tpm_get_desc(struct udevice *dev, char *buf, int size);
int tpm_xfer(struct udevice *dev, const uint8_t *sendbuf, size_t send_size,
uint8_t *recvbuf, size_t *recv_size);
#endif /* CONFIG_DM_TPM */
/**
* Initialize TPM device. It must be called before any TPM commands.
*