From: Sonic Zhang <[email protected]> A smbus quick transfer has no data after the address byte.
Signed-off-by: Sonic Zhang <[email protected]> Signed-off-by: Mike Frysinger <[email protected]> --- drivers/i2c/busses/i2c-bfin-twi.c | 18 +++++++----------- 1 files changed, 7 insertions(+), 11 deletions(-) diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c index d157105..02a8c86 100644 --- a/drivers/i2c/busses/i2c-bfin-twi.c +++ b/drivers/i2c/busses/i2c-bfin-twi.c @@ -158,18 +158,14 @@ static void bfin_twi_handle_interrupt(struct bfin_twi_iface *iface, if (mast_stat & BUFWRERR) dev_dbg(&iface->adap.dev, "Buffer Write Error\n"); - /* if both err and complete int stats are set, return proper - * results. + /* If it is a quick transfer, only address without data, + * not an err, return 1. */ - if (twi_int_status & MCOMP) { - /* If it is a quick transfer, only address without data, - * not an err, return 1. - * If address is acknowledged return 1. - */ - if ((iface->writeNum == 0 && (mast_stat & BUFRDERR)) - || !(mast_stat & ANAK)) - iface->result = 1; - } + if (iface->cur_mode == TWI_I2C_MODE_STANDARD && + iface->transPtr == NULL && + (twi_int_status & MCOMP) && (mast_stat & DNAK)) + iface->result = 1; + complete(&iface->complete); return; } -- 1.6.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
