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rpmsg: glink: Return -EAGAIN when there is no FIFO space

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The TX FIFO can be full, if the remote client has not read enough data
(or) reading it slowly. So its nessecary to return -EAGAIN to the local
client to enable retry.

Acked-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Sricharan R 2017-08-24 12:51:28 +05:30 committed by Bjorn Andersson
parent 7339859da8
commit a7df9dfcfd
1 changed files with 1 additions and 1 deletions
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2
drivers/rpmsg/qcom_glink_native.c
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@ -233,7 +233,7 @@ static int qcom_glink_tx(struct qcom_glink *glink,
while (qcom_glink_tx_avail(glink) < tlen) {
if (!wait) {
ret = -ENOMEM;
ret = -EAGAIN;
goto out;
}