| From | Sricharan R <> | Subject | [PATCH v2 06/20] rpmsg: glink: Return -EAGAIN when there is no FIFO space | Date | Thu, 24 Aug 2017 12:51:28 +0530 |
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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.
Signed-off-by: Sricharan R <sricharan@codeaurora.org> --- 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; } -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
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