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

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>
Sricharan R 8 years ago
parent
commit
a7df9dfcfd
1 changed files with 1 additions and 1 deletions
  1. 1 1
      drivers/rpmsg/qcom_glink_native.c

+ 1 - 1
drivers/rpmsg/qcom_glink_native.c

@@ -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;
 		}