diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-i801.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index aa3f60e69230..92ec291c0648 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -503,19 +503,16 @@ static int i801_transaction(struct i801_priv *priv, int xact) static int i801_block_transaction_by_block(struct i801_priv *priv, union i2c_smbus_data *data, - char read_write, int command, - int hwpec) + char read_write, int command) { - int i, len; - int status; - int xact = hwpec ? SMBHSTCNT_PEC_EN : 0; + int i, len, status, xact; switch (command) { case I2C_SMBUS_BLOCK_PROC_CALL: - xact |= I801_BLOCK_PROC_CALL; + xact = I801_BLOCK_PROC_CALL; break; case I2C_SMBUS_BLOCK_DATA: - xact |= I801_BLOCK_DATA; + xact = I801_BLOCK_DATA; break; default: return -EOPNOTSUPP; @@ -665,8 +662,7 @@ static irqreturn_t i801_isr(int irq, void *dev_id) */ static int i801_block_transaction_byte_by_byte(struct i801_priv *priv, union i2c_smbus_data *data, - char read_write, int command, - int hwpec) + char read_write, int command) { int i, len; int smbcmd; @@ -764,9 +760,8 @@ static int i801_set_block_buffer_mode(struct i801_priv *priv) } /* Block transaction function */ -static int i801_block_transaction(struct i801_priv *priv, - union i2c_smbus_data *data, char read_write, - int command, int hwpec) +static int i801_block_transaction(struct i801_priv *priv, union i2c_smbus_data *data, + char read_write, int command) { int result = 0; unsigned char hostc; @@ -802,11 +797,11 @@ static int i801_block_transaction(struct i801_priv *priv, && i801_set_block_buffer_mode(priv) == 0) result = i801_block_transaction_by_block(priv, data, read_write, - command, hwpec); + command); else result = i801_block_transaction_byte_by_byte(priv, data, read_write, - command, hwpec); + command); if (command == I2C_SMBUS_I2C_BLOCK_DATA && read_write == I2C_SMBUS_WRITE) { @@ -917,8 +912,7 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr, SMBAUXCTL(priv)); if (block) - ret = i801_block_transaction(priv, data, read_write, size, - hwpec); + ret = i801_block_transaction(priv, data, read_write, size); else ret = i801_transaction(priv, xact); @@ -1690,6 +1684,7 @@ static void i801_setup_hstcfg(struct i801_priv *priv) unsigned char hstcfg = priv->original_hstcfg; hstcfg &= ~SMBHSTCFG_I2C_EN; /* SMBus timing */ + hstcfg &= ~SMBHSTCNT_PEC_EN; /* Disable software PEC */ hstcfg |= SMBHSTCFG_HST_EN; pci_write_config_byte(priv->pci_dev, SMBHSTCFG, hstcfg); } |