[PATCH v3 12/15] tpm/tpm_i2c_stm_st33: Remove useless i2c read on interrupt registers
From: Christophe Ricard <hidden>
Date: 2014-10-13 20:23:34
Subsystem:
the rest, tpm device driver · Maintainers:
Linus Torvalds, Peter Huewe, Jarkko Sakkinen
Remove useless i2c read on TPM_INT_ENABLE and TPM_INT_STATUS Signed-off-by: Christophe Ricard <redacted> --- drivers/char/tpm/tpm_i2c_stm_st33.c | 9 --------- 1 file changed, 9 deletions(-)
diff --git a/drivers/char/tpm/tpm_i2c_stm_st33.c b/drivers/char/tpm/tpm_i2c_stm_st33.c
index 388bb64..ed4176e 100644
--- a/drivers/char/tpm/tpm_i2c_stm_st33.c
+++ b/drivers/char/tpm/tpm_i2c_stm_st33.c@@ -184,7 +184,6 @@ static void 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); } /* clear_interruption() */ /*
@@ -725,10 +724,6 @@ 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_STS_VALID_INT | TPM_INTF_DATA_AVAIL_INT;
@@ -742,10 +737,6 @@ 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; disable_irq_nosync(chip->vendor.irq);
--
1.9.1
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