[PATCH] soc: qcom: smd: Reset rx tail rather than tx

From: Bjorn Andersson
Date: Fri Aug 26 2016 - 18:03:27 EST


The local end of each SMD channel is responsible for updating the tx
head and the rx tail, as such we should not touch the tx tail during a
reset.

Reported-by: Jeremy McNicoll <jmcnicol@xxxxxxxxxx>
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---
drivers/soc/qcom/smd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/qcom/smd.c b/drivers/soc/qcom/smd.c
index ac1957dfdf24..f11ec84ab0ce 100644
--- a/drivers/soc/qcom/smd.c
+++ b/drivers/soc/qcom/smd.c
@@ -374,7 +374,7 @@ static void qcom_smd_channel_reset(struct qcom_smd_channel *channel)
SET_TX_CHANNEL_FLAG(channel, fSTATE, 1);
SET_TX_CHANNEL_FLAG(channel, fBLOCKREADINTR, 1);
SET_TX_CHANNEL_INFO(channel, head, 0);
- SET_TX_CHANNEL_INFO(channel, tail, 0);
+ SET_RX_CHANNEL_INFO(channel, tail, 0);

qcom_smd_signal_channel(channel);

--
2.5.0