* [PATCH] soc: qcom: smd: Reset rx tail rather than tx
@ 2016-08-26 21:59 Bjorn Andersson
0 siblings, 0 replies; only message in thread
From: Bjorn Andersson @ 2016-08-26 21:59 UTC (permalink / raw)
To: Andy Gross; +Cc: Jeremy McNicoll, linux-arm-msm, linux-soc, linux-kernel
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@redhat.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
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
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