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rpmsg: glink: Use best fit intent during tx 

Intents can vary in size, try to find the best fitting remote intent
instead of first fit when sending a message to the remote proc.

Signed-off-by: Chris Lew <clew@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
hifive-unleashed-5.1
Chris Lew 2017-10-26 15:28:56 -07:00 committed by Bjorn Andersson
parent 073893778d
commit 290318702b
1 changed files with 8 additions and 3 deletions
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11
drivers/rpmsg/qcom_glink_native.c
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@ -1257,11 +1257,16 @@ static int __qcom_glink_send(struct glink_channel *channel,
spin_lock_irqsave(&channel->intent_lock, flags);
idr_for_each_entry(&channel->riids, tmp, iid) {
if (tmp->size >= len && !tmp->in_use) {
tmp->in_use = true;
intent = tmp;
break;
if (!intent)
intent = tmp;
else if (intent->size > tmp->size)
intent = tmp;
if (intent->size == len)
break;
}
}
if (intent)
intent->in_use = true;
spin_unlock_irqrestore(&channel->intent_lock, flags);
/* We found an available intent */