netdev - Re: [PATCH 1/2] net: mvneta: split rxq/txq init into SW and HW parts

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Date:   Fri, 30 Mar 2018 17:04:13 +0800
From:   Jisheng Zhang <Jisheng.Zhang@...aptics.com>
To:     Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Cc:     David Miller <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] net: mvneta: split rxq/txq init into SW and HW
 parts

Hi,

On Thu, 29 Mar 2018 13:42:59 +0200 Thomas Petazzoni wrote:

> Hello,
> 
> On Thu, 29 Mar 2018 18:13:56 +0800, Jisheng Zhang wrote:
> > This is to prepare the suspend/resume improvement in next patch. The
> > SW parts can be optimized out during resume.
> > 
> > Signed-off-by: Jisheng Zhang <Jisheng.Zhang@...aptics.com>  
> 
> Thanks, I have two very minor nits below, but otherwise:
> 
> Acked-by: Thomas Petazzoni <thomas.petazzoni@...tlin.com>

Thanks for reviewing.

> 
> > +/* Create a specified RX queue */
> > +static int mvneta_rxq_init(struct mvneta_port *pp,
> > +			   struct mvneta_rx_queue *rxq)
> > +
> > +{
> > +	int ret;
> > +
> > +	ret = mvneta_rxq_sw_init(pp, rxq);
> > +	if (ret)  
> 
> Here you're testing if (ret), while in mvneta_txq_init(), in the same
> situation, you're doing if (ret < 0). I don't have a preference for one
> or the other, but having them consistent between the two lpaces would
> be nice.

updated in v2.

> 
> > -/* Create and initialize a tx queue */
> > -static int mvneta_txq_init(struct mvneta_port *pp,
> > -			   struct mvneta_tx_queue *txq)
> > +static int mvneta_txq_sw_init(struct mvneta_port *pp,
> > +			      struct mvneta_tx_queue *txq)
> >  {
> >  	int cpu;
> >  
> > @@ -2872,7 +2889,6 @@ static int mvneta_txq_init(struct mvneta_port *pp,
> >  	txq->tx_stop_threshold = txq->size - MVNETA_MAX_SKB_DESCS;
> >  	txq->tx_wake_threshold = txq->tx_stop_threshold / 2;
> >  
> > -  
> 
> Spurious change.

There's an extra blank line here, so I removed it ;)

Thanks