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-rw-r--r--drivers/char/tpm/tpm_tis_i2c_cr50.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/tpm/tpm_tis_i2c_cr50.c b/drivers/char/tpm/tpm_tis_i2c_cr50.c
index f6c0affbb456..4ddb8ff3a856 100644
--- a/drivers/char/tpm/tpm_tis_i2c_cr50.c
+++ b/drivers/char/tpm/tpm_tis_i2c_cr50.c
@@ -31,6 +31,7 @@
#define TPM_CR50_TIMEOUT_SHORT_MS 2 /* Short timeout during transactions */
#define TPM_CR50_TIMEOUT_NOIRQ_MS 20 /* Timeout for TPM ready without IRQ */
#define TPM_CR50_I2C_DID_VID 0x00281ae0L /* Device and vendor ID reg value */
+#define TPM_TI50_I2C_DID_VID 0x504a6666L /* Device and vendor ID reg value */
#define TPM_CR50_I2C_MAX_RETRIES 3 /* Max retries due to I2C errors */
#define TPM_CR50_I2C_RETRY_DELAY_LO 55 /* Min usecs between retries on I2C */
#define TPM_CR50_I2C_RETRY_DELAY_HI 65 /* Max usecs between retries on I2C */
@@ -742,15 +743,15 @@ static int tpm_cr50_i2c_probe(struct i2c_client *client)
}
vendor = le32_to_cpup((__le32 *)buf);
- if (vendor != TPM_CR50_I2C_DID_VID) {
+ if (vendor != TPM_CR50_I2C_DID_VID && vendor != TPM_TI50_I2C_DID_VID) {
dev_err(dev, "Vendor ID did not match! ID was %08x\n", vendor);
tpm_cr50_release_locality(chip, true);
return -ENODEV;
}
- dev_info(dev, "cr50 TPM 2.0 (i2c 0x%02x irq %d id 0x%x)\n",
+ dev_info(dev, "%s TPM 2.0 (i2c 0x%02x irq %d id 0x%x)\n",
+ vendor == TPM_TI50_I2C_DID_VID ? "ti50" : "cr50",
client->addr, client->irq, vendor >> 16);
-
return tpm_chip_register(chip);
}