diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-xiic.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index 0777de45b..5cd737c76 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -569,11 +569,11 @@ static void xiic_smbus_block_read_setup(struct xiic_i2c *i2c) i2c->smbus_actual_len = 1 + rxmsg_len + pec_len; } else { /* - * All trailing bytes fit in the Rx FIFO. The widened - * condition above guarantees rxmsg_len + pec_len >= 2, - * so this cannot underflow. + * All trailing bytes fit in the Rx FIFO. Defer RX_FULL + * until every one of them is buffered, so the drain + * takes xiic_read_rx()'s bytes_rem == 0 path. */ - rfd_set = rxmsg_len + pec_len - 2; + rfd_set = rxmsg_len + pec_len - 1; i2c->rx_msg->len = rxmsg_len + 1 + pec_len; } xiic_setreg8(i2c, XIIC_RFD_REG_OFFSET, rfd_set); |