soc: qcom: smd: Reset rx tail rather than tx

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>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

diff --git a/drivers/soc/qcom/smd.c b/drivers/soc/qcom/smd.c
index f20816bef1b5808d28506a18b8c7a91151e780b9..322034ab9d374b30c38ce7e8f5ede220578cc440 100644 (file)
--- a/drivers/soc/qcom/smd.c
+++ b/drivers/soc/qcom/smd.c
@@ -363,7 +363,7 @@ 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);