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authorAbhishek Sahu <absahu@codeaurora.org>2018-03-12 18:44:55 +0530
committerWolfram Sang <wsa@the-dreams.de>2018-03-24 13:19:48 +0100
commit7e6c35fe602df6821b3e7db5b1ba656162750fda (patch)
tree23600a7455bdc0dff13fb64332507c1e98e81998 /drivers/i2c
parentc5adc0fa63a930e3313c74bb7c1d4d158130eb41 (diff)
i2c: qup: fix the transfer length for BAM RX EOT FLUSH tags
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> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-qup.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c
index b2e8f574cd15..73a288068632 100644
--- a/drivers/i2c/busses/i2c-qup.c
+++ b/drivers/i2c/busses/i2c-qup.c
@@ -774,10 +774,10 @@ 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_cnt++],
&qup->brx.tag.start[0],
- 2, qup, DMA_FROM_DEVICE);
+ 1, qup, DMA_FROM_DEVICE);
if (ret)
return ret;
}