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    SubjectRe: [PATCH v5 05/13] soc: mediatek: cmdq: return send msg error code
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    On 08/03/2020 11:52, Dennis YC Hsieh wrote:
    > Return error code to client if send message fail,
    > so that client has chance to error handling.
    >
    > Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
    > Fixes: 576f1b4bc802 ("soc: mediatek: Add Mediatek CMDQ helper")
    > Reviewed-by: CK Hu <ck.hu@mediatek.com>

    Queued for v5.7-fixes

    > ---
    > drivers/soc/mediatek/mtk-cmdq-helper.c | 4 +++-
    > 1 file changed, 3 insertions(+), 1 deletion(-)
    >
    > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
    > index 2e1bc513569b..98f23ba3ba47 100644
    > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c
    > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
    > @@ -351,7 +351,9 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb,
    > spin_unlock_irqrestore(&client->lock, flags);
    > }
    >
    > - mbox_send_message(client->chan, pkt);
    > + err = mbox_send_message(client->chan, pkt);
    > + if (err < 0)
    > + return err;
    > /* We can send next packet immediately, so just call txdone. */
    > mbox_client_txdone(client->chan, 0);
    >
    >

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