tpm: Remove redundant dev_set_drvdata

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 <jgunthorpe@obsidianresearch.com>
Reviewed-by: Joel Schopp <jschopp@linux.vnet.ibm.com>
Reviewed-by: Peter Huewe <peterhuewe@gmx.de>
Acked-by: Ashley Lai <adlai@linux.vnet.ibm.com>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>

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;
 }

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:

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;
 }