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soc: qcom: smd: Correct fBLOCKREADINTR handling 

fBLOCKREADINTR is masking the notification from the remote and should
hence be cleared while we're waiting the tx fifo to drain. Also change
the reset state to mask the notification, as send is the only use case
where we're interested in it.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
This commit is contained in:
Bjorn Andersson 2015-08-24 13:38:46 -07:00 committed by Andy Gross
parent 93dbed9121
commit 208487a8f6
1 changed files with 3 additions and 3 deletions
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6
drivers/soc/qcom/smd.c
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@ -312,7 +312,7 @@ static void qcom_smd_channel_reset(struct qcom_smd_channel *channel)
SET_TX_CHANNEL_INFO(channel, fHEAD, 0);
SET_TX_CHANNEL_INFO(channel, fTAIL, 0);
SET_TX_CHANNEL_INFO(channel, fSTATE, 1);
SET_TX_CHANNEL_INFO(channel, fBLOCKREADINTR, 0);
SET_TX_CHANNEL_INFO(channel, fBLOCKREADINTR, 1);
SET_TX_CHANNEL_INFO(channel, head, 0);
SET_TX_CHANNEL_INFO(channel, tail, 0);
@ -683,7 +683,7 @@ int qcom_smd_send(struct qcom_smd_channel *channel, const void *data, int len)
goto out;
}
SET_TX_CHANNEL_INFO(channel, fBLOCKREADINTR, 1);
SET_TX_CHANNEL_INFO(channel, fBLOCKREADINTR, 0);
ret = wait_event_interruptible(channel->fblockread_event,
qcom_smd_get_tx_avail(channel) >= tlen ||
@ -691,7 +691,7 @@ int qcom_smd_send(struct qcom_smd_channel *channel, const void *data, int len)
if (ret)
goto out;
SET_TX_CHANNEL_INFO(channel, fBLOCKREADINTR, 0);
SET_TX_CHANNEL_INFO(channel, fBLOCKREADINTR, 1);
}
SET_TX_CHANNEL_INFO(channel, fTAIL, 0);