[PATCH v2 06/20] rpmsg: glink: Return -EAGAIN when there is no FIFO space
From: Sricharan R
Date: Thu Aug 24 2017 - 03:25:59 EST
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.
Signed-off-by: Sricharan R <sricharan@xxxxxxxxxxxxxx>
---
drivers/rpmsg/qcom_glink_native.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
index a6394cd..94b79e8 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/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;
}
--
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