diff options
| author | Chris Lew <clew@codeaurora.org> | 2017-10-27 00:28:56 +0200 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2017-10-31 05:25:11 +0100 |
| commit | 290318702bb2e7d74c24fbe52d8184fc79a17e93 (patch) | |
| tree | 31423b6a9ae72a72196411bab846abc122e5bbd8 /drivers/rpmsg | |
| parent | rpmsg: glink: Add support to preallocate intents (diff) | |
| download | linux-290318702bb2e7d74c24fbe52d8184fc79a17e93.tar.xz linux-290318702bb2e7d74c24fbe52d8184fc79a17e93.zip | |
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>
Diffstat (limited to 'drivers/rpmsg')
| -rw-r--r-- | drivers/rpmsg/qcom_glink_native.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 2dff77882ced..80d9af307b40 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -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 */ |