From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Lew Subject: [PATCH v2 3/3] rpmsg: glink: Use best fit intent during tx Date: Thu, 26 Oct 2017 15:28:56 -0700 Message-ID: <1509056936-26578-4-git-send-email-clew@codeaurora.org> References: <1509056936-26578-1-git-send-email-clew@codeaurora.org> Return-path: In-Reply-To: <1509056936-26578-1-git-send-email-clew-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: bjorn.andersson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, andy.gross-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, david.brown-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org Cc: aneela-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, smaliyap-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, clew-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org List-Id: devicetree@vger.kernel.org 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 --- drivers/rpmsg/qcom_glink_native.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 7155adad6ab6..0ba1ffe2698f 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -1252,11 +1252,16 @@ 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 */ -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html