[PATCH v2 06/20] rpmsg: glink: Return -EAGAIN when there is no FIFO space
From: Arun Kumar Neelakantam <hidden>
Date: 2017-08-28 11:47:12
Also in:
linux-arm-msm, linux-remoteproc, lkml
On 8/24/2017 12:51 PM, Sricharan R wrote:
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 <redacted>
Acked-by: Arun Kumar Neelakantam <redacted> Regards, Arun N
quoted hunk ↗ jump to hunk
--- 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; }