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

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Date:   Wed, 18 Dec 2019 16:14:40 +0800
From:   Bibby Hsieh <bibby.hsieh@...iatek.com>
To:     Dennis-YC Hsieh <dennis-yc.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

On Wed, 2019-12-18 at 16:00 +0800, Dennis-YC Hsieh wrote:
> 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* ?
> 
> 
Hi, Dennis,

Please refer to
https://www.kernel.org/doc/html/v4.17/process/submitting-patches.html
and find "fixes". 

Thanks :D

Bibby
> 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);
> > >  
> > 
> > 
> 
>