From: Bibby Hsieh <bibby.hsieh@xxxxxxxxxxxx>
commit ce35e21d82bcac8b3fd5128888f9e233f8444293 upstream.
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")
Cc: stable@xxxxxxxxxxxxxxx # v5.0+
Signed-off-by: Bibby Hsieh <bibby.hsieh@xxxxxxxxxxxx>
Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
Signed-off-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/soc/mediatek/mtk-cmdq-helper.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -78,6 +78,7 @@ struct cmdq_client *cmdq_mbox_create(str
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)) {
