Re: [PATCH V5] can: usb: f81604: add Fintek F81604 support

From: Marc Kleine-Budde
Date: Wed May 03 2023 - 10:38:24 EST


On 02.05.2023 10:53:43, Peter Hong wrote:
> Hi Vincent, Michal and Marc,
>
> Vincent MAILHOL 於 2023/4/21 下午 03:30 寫道:
> > Hi Peter and Michal,
> >
> > On Fry. 21 Apr. 2023 at 12:14, Peter Hong <peter_hong@xxxxxxxxxxxxx> wrote:
> > > Hi Vincent,
> > >
> > > Vincent MAILHOL 於 2023/4/20 下午 08:02 寫道:
> > > > Hi Peter,
> > > >
> > > > Here are my comments. Now, it is mostly nitpicks. I guess that this is
> > > > the final round.
> > > >
> > > > On Thu. 20 avr. 2023 at 11:44, Ji-Ze Hong (Peter Hong)
> > > > <peter_hong@xxxxxxxxxxxxx> wrote:
> > > > > +static void f81604_handle_tx(struct f81604_port_priv *priv,
> > > > > + struct f81604_int_data *data)
> > > > > +{
> > > > > + struct net_device *netdev = priv->netdev;
> > > > > + struct net_device_stats *stats;
> > > > > +
> > > > > + stats = &netdev->stats;
> > > > Merge the declaration with the initialization.
> > > If I merge initialization into declaration, it's may violation RCT?
> > > How could I change about this ?
> > @Michal: You requested RTC in:
> >
> > https://lore.kernel.org/linux-can/ZBgKSqaFiImtTThv@localhost.localdomain/
> >
> > I looked at the kernel documentation but I could not find "Reverse
> > Chistmas Tree". Can you point me to where this is defined?
> >
> > In the above case, I do not think RCT should apply.
> >
> > I think that this:
> >
> > struct net_device *netdev = priv->netdev;
> > struct net_device_stats *stats = &netdev->stats;
> >
> > Is better than that:
> >
> > struct net_device *netdev = priv->netdev;
> > struct net_device_stats *stats;
> >
> > stats = &netdev->stats;
> >
> > Arbitrarily splitting the definition and assignment does not make sense to me.
> >
> > Thank you for your comments.
>
> The RCT coding style seems a bit confuse. How about refactoring of next
> step? @Marc ?

I don't are that much about RCT (so far my upstream has not complained).
Either of the above is fine with me.

regards,
Marc

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