linux-kernel - [V11,PATCH 14/19] interconnect: mediatek: add initial bandwidth

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Message-ID: <20210812085846.2628-15-dawei.chien@mediatek.com>
Date:   Thu, 12 Aug 2021 16:58:41 +0800
From:   Dawei Chien <dawei.chien@...iatek.com>
To:     Georgi Djakov <georgi.djakov@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Ryan Case <ryandcase@...omium.org>
CC:     Mark Rutland <mark.rutland@....com>,
        Nicolas Boichat <drinkcat@...gle.com>,
        <devicetree@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Fan Chen <fan.chen@...iatek.com>,
        Arvin Wang <arvin.wang@...iatek.com>,
        James Liao <jamesjj.liao@...iatek.com>,
        Dawei Chien <dawei.chien@...iatek.com>
Subject: [V11,PATCH 14/19] interconnect: mediatek: add initial bandwidth

support get_bw function for suitable initial bandwidth

Signed-off-by: Dawei Chien <dawei.chien@...iatek.com>
---
 drivers/interconnect/mediatek/mtk-emi.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/interconnect/mediatek/mtk-emi.c b/drivers/interconnect/mediatek/mtk-emi.c
index 379dab77ebfd..80e2707698be 100644
--- a/drivers/interconnect/mediatek/mtk-emi.c
+++ b/drivers/interconnect/mediatek/mtk-emi.c
@@ -271,6 +271,14 @@ static int emi_icc_set(struct icc_node *src, struct icc_node *dst)
 	return ret;
 }
 
+static int emi_icc_get_bw(struct icc_node *node, u32 *avg, u32 *peak)
+{
+	*avg = 0;
+	*peak = 0;
+
+	return 0;
+}
+
 static int emi_icc_remove(struct platform_device *pdev);
 static int emi_icc_probe(struct platform_device *pdev)
 {
@@ -308,6 +316,7 @@ static int emi_icc_probe(struct platform_device *pdev)
 	provider->set = emi_icc_set;
 	provider->aggregate = emi_icc_aggregate;
 	provider->xlate = of_icc_xlate_onecell;
+	provider->get_bw = emi_icc_get_bw;
 	INIT_LIST_HEAD(&provider->nodes);
 	provider->data = data;
 
-- 
2.14.1