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Date: Tue, 7 Apr 2020 12:22:26 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Bibby Hsieh <bibby.hsieh@...iatek.com>, CK Hu <ck.hu@...iatek.com>, Matthias Brugger <matthias.bgg@...il.com> Subject: [PATCH 5.6 29/29] soc: mediatek: knows_txdone needs to be set in Mediatek CMDQ helper From: Bibby Hsieh <bibby.hsieh@...iatek.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@...r.kernel.org # v5.0+ Signed-off-by: Bibby Hsieh <bibby.hsieh@...iatek.com> Reviewed-by: CK Hu <ck.hu@...iatek.com> Signed-off-by: Matthias Brugger <matthias.bgg@...il.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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 @@ -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)) {
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