From: Bibby Hsieh bibby.hsieh@mediatek.com
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@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
--- 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 @@ -38,6 +38,7 @@ 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)) {