diff options
Diffstat (limited to 'drivers/tpm/tpm2_tis_spi.c')
| -rw-r--r-- | drivers/tpm/tpm2_tis_spi.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/drivers/tpm/tpm2_tis_spi.c b/drivers/tpm/tpm2_tis_spi.c index d35a4dd3a36..c433e8088ac 100644 --- a/drivers/tpm/tpm2_tis_spi.c +++ b/drivers/tpm/tpm2_tis_spi.c @@ -187,29 +187,6 @@ static int tpm_tis_spi_write32(struct udevice *dev, u32 addr, u32 value) return tpm_tis_spi_write(dev, addr, sizeof(value), (u8 *)&value_le); } -static int tpm_tis_wait_init(struct udevice *dev, int loc) -{ - struct tpm_chip *chip = dev_get_priv(dev); - unsigned long start, stop; - u8 status; - int ret; - - start = get_timer(0); - stop = chip->timeout_b; - do { - mdelay(TPM_TIMEOUT_MS); - - ret = tpm_tis_spi_read(dev, TPM_ACCESS(loc), 1, &status); - if (ret) - break; - - if (status & TPM_ACCESS_VALID) - return 0; - } while (get_timer(start) < stop); - - return -EIO; -} - static struct tpm_tis_phy_ops phy_ops = { .read_bytes = tpm_tis_spi_read, .write_bytes = tpm_tis_spi_write, @@ -221,7 +198,6 @@ static int tpm_tis_spi_probe(struct udevice *dev) { struct tpm_tis_chip_data *drv_data = (void *)dev_get_driver_data(dev); struct tpm_chip_priv *priv = dev_get_uclass_priv(dev); - struct tpm_chip *chip = dev_get_priv(dev); int ret; /* Use the TPM v2 stack */ @@ -255,12 +231,6 @@ static int tpm_tis_spi_probe(struct udevice *dev) /* Ensure a minimum amount of time elapsed since reset of the TPM */ mdelay(drv_data->time_before_first_cmd_ms); - ret = tpm_tis_wait_init(dev, chip->locality); - if (ret) { - log(LOGC_DM, LOGL_ERR, "%s: no device found\n", __func__); - return ret; - } - tpm_tis_ops_register(dev, &phy_ops); ret = tpm_tis_init(dev); if (ret) |