linux-kernel - Re: [PATCH v2 06/14] soc: mediatek: cmdq: return send msg error code

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Message-ID: <1576656006.5933.3.camel@mtkswgap22>
Date:   Wed, 18 Dec 2019 16:00:06 +0800
From:   Dennis-YC Hsieh <dennis-yc.hsieh@...iatek.com>
To:     Bibby Hsieh <bibby.hsieh@...iatek.com>
CC:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Jassi Brar <jassisinghbrar@...il.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <wsd_upstream@...iatek.com>, CK Hu <ck.hu@...iatek.com>,
        Houlong Wei <houlong.wei@...iatek.com>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 06/14] soc: mediatek: cmdq: return send msg error code

Hi Bibby,

On Fri, 2019-12-06 at 12:02 +0800, Bibby Hsieh wrote:
> On Wed, 2019-11-27 at 09:58 +0800, Dennis YC Hsieh wrote:
> > Return error code to client if send message fail,
> > so that client has chance to error handling.
> > 
> This patches seems like a fix patch.
> Please add fixes, thanks.
> 
> Bibby

Do you mean add *fixes* in title?
How about *fixes flush async function return error when send fail* ?


Regards,
Dennis

> > Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>
> > ---
> >  drivers/soc/mediatek/mtk-cmdq-helper.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
> > index 274f6f311d05..8421b4090304 100644
> > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c
> > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
> > @@ -353,11 +353,11 @@ 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);
> >  	/* We can send next packet immediately, so just call txdone. */
> >  	mbox_client_txdone(client->chan, 0);
> >  
> > -	return 0;
> > +	return err;
> >  }
> >  EXPORT_SYMBOL(cmdq_pkt_flush_async);
> >  
> 
>