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-rw-r--r--src/drivers/i2c/tpm/tis.c5
-rw-r--r--src/drivers/i2c/tpm/tpm.c19
2 files changed, 12 insertions, 12 deletions
diff --git a/src/drivers/i2c/tpm/tis.c b/src/drivers/i2c/tpm/tis.c
index e8d69acfbf..49bcdd7049 100644
--- a/src/drivers/i2c/tpm/tis.c
+++ b/src/drivers/i2c/tpm/tis.c
@@ -79,10 +79,7 @@ int tis_init(void)
* Probe TPM twice; the first probing might fail because TPM is asleep,
* and the probing can wake up TPM.
*/
- uint8_t tmp = 0;
-
- if (i2c_write(bus, chip, 0, 1, &tmp, sizeof(tmp)) &&
- i2c_write(bus, chip, 0, 1, &tmp, sizeof(tmp)))
+ if (i2c_writeb(bus, chip, 0, 0) && i2c_writeb(bus, chip, 0, 0))
return -1;
return 0;
diff --git a/src/drivers/i2c/tpm/tpm.c b/src/drivers/i2c/tpm/tpm.c
index 837bd234ac..6f6878969c 100644
--- a/src/drivers/i2c/tpm/tpm.c
+++ b/src/drivers/i2c/tpm/tpm.c
@@ -120,8 +120,7 @@ static int iic_tpm_read(uint8_t addr, uint8_t *buffer, size_t len)
if ((tpm_dev.chip_type == SLB9635) || (tpm_dev.chip_type == UNKNOWN)) {
/* slb9635 protocol should work in both cases */
for (count = 0; count < MAX_COUNT; count++) {
- rc = i2c_write(tpm_dev.bus, tpm_dev.addr,
- 0, 0, &addr, 1);
+ rc = i2c_write_raw(tpm_dev.bus, tpm_dev.addr, &addr, 1);
if (rc == 0)
break; /* success, break to skip sleep */
@@ -137,8 +136,8 @@ static int iic_tpm_read(uint8_t addr, uint8_t *buffer, size_t len)
*/
for (count = 0; count < MAX_COUNT; count++) {
udelay(SLEEP_DURATION);
- rc = i2c_read(tpm_dev.bus, tpm_dev.addr,
- 0, 0, buffer, len);
+ rc = i2c_read_raw(tpm_dev.bus, tpm_dev.addr,
+ buffer, len);
if (rc == 0)
break; /* success, break to skip sleep */
@@ -150,9 +149,13 @@ static int iic_tpm_read(uint8_t addr, uint8_t *buffer, size_t len)
* retries should usually not be needed, but are kept just to
* be safe on the safe side.
*/
+ struct i2c_seg aseg = { .read = 0, .chip = tpm_dev.addr,
+ .buf = &addr, .len = 1 };
+ struct i2c_seg dseg = { .read = 1, .chip = tpm_dev.addr,
+ .buf = buffer, .len = len };
for (count = 0; count < MAX_COUNT; count++) {
- rc = i2c_read(tpm_dev.bus, tpm_dev.addr,
- addr, 1, buffer, len);
+ rc = i2c_transfer(tpm_dev.bus, &aseg, 1) ||
+ i2c_transfer(tpm_dev.bus, &dseg, 1);
if (rc == 0)
break; /* break here to skip sleep */
udelay(SLEEP_DURATION);
@@ -186,8 +189,8 @@ static int iic_tpm_write_generic(uint8_t addr, uint8_t *buffer, size_t len,
if (!tpm_dev.bus)
return -1;
for (count = 0; count < max_count; count++) {
- rc = i2c_write(tpm_dev.bus, tpm_dev.addr, 0, 0,
- tpm_dev.buf, len + 1);
+ rc = i2c_write_raw(tpm_dev.bus, tpm_dev.addr,
+ tpm_dev.buf, len + 1);
if (rc == 0)
break; /* success, break to skip sleep */