tree a9390db090977364b4a553682e6c4294bf5daa66
parent 343ba27b6f9d473ec3e602cc648300eb03a7fa05
author Arun Kumar Neelakantam <aneela@codeaurora.org> 1596086296 +0530
committer Bjorn Andersson <bjorn.andersson@linaro.org> 1634313731 -0500

rpmsg: glink: Send READ_NOTIFY command in FIFO full case

The current design sleeps unconditionally in TX FIFO full case and
wakeup only after sleep timer expires which adds random delays in
clients TX path.

Avoid sleep and use READ_NOTIFY command so that writer can be woken up
when remote notifies about read completion by sending IRQ.

Signed-off-by: Deepak Kumar Singh <deesin@codeaurora.org>
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1596086296-28529-7-git-send-email-deesin@codeaurora.org