linux-kernel - [PATCH] soc: mediatek: knows_txdone needs to be set in Mediatek CMDQ helper

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Message-ID: <20200214043545.16713-1-bibby.hsieh@mediatek.com>
Date:   Fri, 14 Feb 2020 12:35:45 +0800
From:   Bibby Hsieh <bibby.hsieh@...iatek.com>
To:     Jassi Brar <jassisinghbrar@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>, CK HU <ck.hu@...iatek.com>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>,
        Nicolas Boichat <drinkcat@...omium.org>,
        Dennis-YC Hsieh <dennis-yc.hsieh@...iatek.com>,
        Houlong Wei <houlong.wei@...iatek.com>,
        Bibby Hsieh <bibby.hsieh@...iatek.com>
Subject: [PATCH] soc: mediatek: knows_txdone needs to be set in Mediatek CMDQ helper

Mediatek CMDQ driver have a mechanism to do TXDONE_BY_ACK,
so we should set knows_txdone.

Fixes:576f1b4bc802 ("soc: mediatek: Add Mediatek CMDQ helper")

Signed-off-by: Bibby Hsieh <bibby.hsieh@...iatek.com>
---
 drivers/soc/mediatek/mtk-cmdq-helper.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index 9add0fd5fa6c..2ca1a759a347 100644
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -80,6 +80,7 @@ struct cmdq_client *cmdq_mbox_create(struct device *dev, int index, u32 timeout)
 	client->pkt_cnt = 0;
 	client->client.dev = dev;
 	client->client.tx_block = false;
+	client->client.knows_txdone = true;
 	client->chan = mbox_request_channel(&client->client, index);
 
 	if (IS_ERR(client->chan)) {
-- 
2.18.0