soc: mediatek: knows_txdone needs to be set in Mediatek CMDQ helper

commit 63d83d0d52393e2e5ef346a5464d3a01447ebb7a upstream.

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

Fixes:a05dc4cc0ffc ("soc: mediatek: Add Mediatek CMDQ helper")

Cc: stable@vger.kernel.org # v5.0+
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index 3c82de5f9417bc940339b65cea033e31d69ef810..73a852b2f41750acd497ad66ac0d3027cbf042e9 100644 (file)
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -38,6 +38,7 @@ 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)) {