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Minor bug fixes to i2c-pasemi 

* Last write during i2c_xfer is of the wrong byte (off-by-1).
* Read length is wrong for some of the reads (mistakenly used the PEC
  version)

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Olof Johansson 2007-04-17 00:32:29 -07:00 committed by Linus Torvalds
parent 56a3b5ebee
commit 080dfbe176
1 changed files with 3 additions and 3 deletions
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6
drivers/i2c/busses/i2c-pasemi.c
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@ -141,7 +141,7 @@ static int pasemi_i2c_xfer_msg(struct i2c_adapter *adapter,
for (i = 0; i < msg->len - 1; i++)
TXFIFO_WR(smbus, msg->buf[i]);
TXFIFO_WR(smbus, msg->buf[msg->len] |
TXFIFO_WR(smbus, msg->buf[msg->len-1] |
(stop ? MTXFIFO_STOP : 0));
}
@ -226,7 +226,7 @@ static int pasemi_smb_xfer(struct i2c_adapter *adapter,
rd = RXFIFO_RD(smbus);
len = min_t(u8, (rd & MRXFIFO_DATA_M),
I2C_SMBUS_BLOCK_MAX);
TXFIFO_WR(smbus, (len + 1) | MTXFIFO_READ |
TXFIFO_WR(smbus, len | MTXFIFO_READ |
MTXFIFO_STOP);
} else {
len = min_t(u8, data->block[0], I2C_SMBUS_BLOCK_MAX);
@ -258,7 +258,7 @@ static int pasemi_smb_xfer(struct i2c_adapter *adapter,
rd = RXFIFO_RD(smbus);
len = min_t(u8, (rd & MRXFIFO_DATA_M),
I2C_SMBUS_BLOCK_MAX - len);
TXFIFO_WR(smbus, (len + 1) | MTXFIFO_READ | MTXFIFO_STOP);
TXFIFO_WR(smbus, len | MTXFIFO_READ | MTXFIFO_STOP);
break;
default: