Re: [PATCH v2 06/20] rpmsg: glink: Return -EAGAIN when there is no FIFO space

Arun Kumar Neelakantam
2017-08-28T11:47:04Z

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 <sricharan@codeaurora.org>
Acked-by: Arun Kumar Neelakantam <aneela@codeaurora.org>

Regards,
Arun N
> ---
> 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;
> }
>