From: Jason Gunthorpe <[email protected]> TPM drivers should not call dev_set_drvdata (or aliases), only the core code is allowed to call dev_set_drvdata, and it does it during tpm_register_hardware.
These extra sets are harmless, but are an anti-pattern that many drivers have copied. Signed-off-by: Jason Gunthorpe <[email protected]> Reviewed-by: Joel Schopp <[email protected]> Reviewed-by: Peter Huewe <[email protected]> Acked-by: Ashley Lai <[email protected]> Signed-off-by: Peter Huewe <[email protected]> --- drivers/char/tpm/tpm_i2c_infineon.c | 2 -- drivers/char/tpm/tpm_i2c_stm_st33.c | 2 -- drivers/char/tpm/xen-tpmfront.c | 2 -- 3 files changed, 0 insertions(+), 6 deletions(-) diff --git a/drivers/char/tpm/tpm_i2c_infineon.c b/drivers/char/tpm/tpm_i2c_infineon.c index b8735de..e33d8e5 100644 --- a/drivers/char/tpm/tpm_i2c_infineon.c +++ b/drivers/char/tpm/tpm_i2c_infineon.c @@ -685,7 +685,6 @@ out_vendor: chip->dev->release = NULL; chip->release = NULL; tpm_dev.client = NULL; - dev_set_drvdata(chip->dev, chip); out_err: return rc; } @@ -766,7 +765,6 @@ static int tpm_tis_i2c_remove(struct i2c_client *client) chip->dev->release = NULL; chip->release = NULL; tpm_dev.client = NULL; - dev_set_drvdata(chip->dev, chip); return 0; } diff --git a/drivers/char/tpm/tpm_i2c_stm_st33.c b/drivers/char/tpm/tpm_i2c_stm_st33.c index 5bb8e2d..1c68d93 100644 --- a/drivers/char/tpm/tpm_i2c_stm_st33.c +++ b/drivers/char/tpm/tpm_i2c_stm_st33.c @@ -746,8 +746,6 @@ tpm_st33_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) tpm_get_timeouts(chip); - i2c_set_clientdata(client, chip); - dev_info(chip->dev, "TPM I2C Initialized\n"); return 0; _irq_set: diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c index 7a7929b..9b48370 100644 --- a/drivers/char/tpm/xen-tpmfront.c +++ b/drivers/char/tpm/xen-tpmfront.c @@ -386,8 +386,6 @@ static int tpmfront_probe(struct xenbus_device *dev, tpm_get_timeouts(priv->chip); - dev_set_drvdata(&dev->dev, priv->chip); - return rv; } -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
