diff mbox

[tpmdd-devel,11/16] tpm/tpm_i2c_stm_st33: Remove useless i2c read on interrupt registers

Message ID 1412711101-988-12-git-send-email-christophe-h.ricard@st.com
State Superseded, archived
Headers show

Commit Message

Christophe Ricard Oct. 7, 2014, 7:44 p.m. UTC 
Remove useless i2c read on TPM_INT_ENABLE and TPM_INT_STATUS

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
---
 drivers/char/tpm/tpm_i2c_stm_st33.c | 9 ---------
 1 file changed, 9 deletions(-)
diff mbox

Patch

diff --git a/drivers/char/tpm/tpm_i2c_stm_st33.c b/drivers/char/tpm/tpm_i2c_stm_st33.c
index e99bb78..660ff8b 100644
--- a/drivers/char/tpm/tpm_i2c_stm_st33.c
+++ b/drivers/char/tpm/tpm_i2c_stm_st33.c
@@ -187,7 +187,6 @@  static u8 clear_interruption(struct tpm_stm_dev *tpm_dev)
 
 	I2C_READ_DATA(tpm_dev, TPM_INT_STATUS, &interrupt, 1);
 	I2C_WRITE_DATA(tpm_dev, TPM_INT_STATUS, &interrupt, 1);
-	I2C_READ_DATA(tpm_dev, TPM_INT_STATUS, &interrupt, 1);
 
 	return interrupt;
 } /* clear_interruption() */
@@ -753,10 +752,6 @@  tpm_stm_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
 			goto _tpm_clean_answer;
 		}
 
-		r = I2C_READ_DATA(tpm_dev, TPM_INT_ENABLE, &intmask, 1);
-		if (r < 0)
-			goto _tpm_clean_answer;
-
 		intmask |= TPM_INTF_CMD_READY_INT
 			|  TPM_INTF_FIFO_AVALAIBLE_INT
 			|  TPM_INTF_WAKE_UP_READY_INT
@@ -773,10 +768,6 @@  tpm_stm_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		if (r < 0)
 			goto _tpm_clean_answer;
 
-		r = I2C_READ_DATA(tpm_dev, TPM_INT_STATUS, &intmask, 1);
-		if (r < 0)
-			goto _tpm_clean_answer;
-
 		chip->vendor.irq = client->irq;
 
 		tpm_gen_interrupt(chip);