linux-kernel - Re: [EXT] Re: [PATCH v2 3/8] net: thunderx: make CFG_DONE message to run through generic send-ack sequence

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Message-ID: <20190219112124.GA5637@localhost.localdomain>
Date:   Tue, 19 Feb 2019 11:21:25 +0000
From:   Vadim Lomovtsev <vlomovtsev@...vell.com>
To:     David Miller <davem@...emloft.net>
CC:     "sgoutham@...ium.com" <sgoutham@...ium.com>,
        "rric@...nel.org" <rric@...nel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dnelson@...hat.com" <dnelson@...hat.com>,
        Vadim Lomovtsev <vlomovtsev@...vell.com>
Subject: Re: [EXT] Re: [PATCH v2 3/8] net: thunderx: make CFG_DONE message to
 run through generic send-ack sequence

Hi David,

On Mon, Feb 18, 2019 at 03:33:10PM -0800, David Miller wrote:
> From: Vadim Lomovtsev <vlomovtsev@...vell.com>
> Date: Mon, 18 Feb 2019 09:52:14 +0000
> 
> > @@ -169,6 +169,20 @@ static int nicvf_check_pf_ready(struct nicvf *nic)
> >  	return 1;
> >  }
> >  
> > +static int nicvf_send_cfg_done(struct nicvf *nic)
> > +{
> > +	union nic_mbx mbx = {};
> > +
> > +	mbx.msg.msg = NIC_MBOX_MSG_CFG_DONE;
> > +	if (nicvf_send_msg_to_pf(nic, &mbx)) {
> > +		netdev_err(nic->netdev,
> > +			   "PF didn't respond to CFG DONE msg\n");
> > +		return 0;
> > +	}
> > +
> > +	return 1;
> > +}
>  ...
> > @@ -1515,8 +1528,7 @@ int nicvf_open(struct net_device *netdev)
> >  		nicvf_enable_intr(nic, NICVF_INTR_RBDR, qidx);
> >  
> >  	/* Send VF config done msg to PF */
> > -	mbx.msg.msg = NIC_MBOX_MSG_CFG_DONE;
> > -	nicvf_write_to_mbx(nic, &mbx);
> > +	nicvf_send_cfg_done(nic);
> 
> If the one and only call site doesn't even bother to check the return
> value, just make it return void.
> 
> Thanks.

Thank you for your time and comments.
I'll update patch and re-submit.

WBR,
Vadim