| Message ID | 1517644697-30806-6-git-send-email-absahu@codeaurora.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Major code reorganization to make all i2c transfers working | expand |
On Sat, Feb 03, 2018 at 01:28:10PM +0530, Abhishek Sahu wrote: > In case of FLUSH operation, BAM copies INPUT EOT FLUSH (0x94) > instead of normal EOT (0x93) tag in input data stream when an > input EOT tag is received during flush operation. So only one tag > will be written instead of 2 separate tags. > > Signed-off-by: Abhishek Sahu <absahu@codeaurora.org> Reviewed-by: Andy Gross <andy.gross@linaro.org>
diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c index 6357aff..094be6a 100644 --- a/drivers/i2c/busses/i2c-qup.c +++ b/drivers/i2c/busses/i2c-qup.c @@ -768,10 +768,10 @@ static int qup_i2c_bam_do_xfer(struct qup_i2c_dev *qup, struct i2c_msg *msg, qup->btx.tag.start[0] = QUP_BAM_INPUT_EOT; len++; - /* scratch buf to read the BAM EOT and FLUSH tags */ + /* scratch buf to read the BAM EOT FLUSH tags */ ret = qup_sg_set_buf(&qup->brx.sg[rx_buf++], &qup->brx.tag.start[0], - 2, qup, DMA_FROM_DEVICE); + 1, qup, DMA_FROM_DEVICE); if (ret) return ret; }
In case of FLUSH operation, BAM copies INPUT EOT FLUSH (0x94) instead of normal EOT (0x93) tag in input data stream when an input EOT tag is received during flush operation. So only one tag will be written instead of 2 separate tags. Signed-off-by: Abhishek Sahu <absahu@codeaurora.org> --- drivers/i2c/busses/i2c-qup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)