From: hayashi.kunihiko@socionext.com (Kunihiko Hayashi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH net-next v6 2/2] net: ethernet: socionext: add AVE ethernet driver
Date: Mon, 18 Dec 2017 12:51:06 +0900 [thread overview]
Message-ID: <20171218125105.962D.4A936039@socionext.com> (raw)
In-Reply-To: <20171215.125749.1752831437819486183.davem@davemloft.net>
Hello David,
On Fri, 15 Dec 2017 12:57:49 -0500 David Miller <davem@davemloft.net> wrote:
> From: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
> Date: Thu, 14 Dec 2017 19:05:10 +0900
>
> > +static void ave_desc_write(struct net_device *ndev, enum desc_id id,
> > + int entry, int offset, u32 val)
> > +{
> > + struct ave_private *priv = netdev_priv(ndev);
> > + u32 addr = (id == AVE_DESCID_TX) ? priv->tx.daddr : priv->rx.daddr;
>
> Please always order local variables from longest to shortest line.
>
> Audit your entire submission for this issue, thank you.
I see. I'll fix the order of local variables.
> > + ret = register_netdev(ndev);
> > + if (ret) {
> > + dev_err(dev, "failed to register netdevice\n");
> > + goto out_del_napi;
> > + }
> > +
> > + platform_set_drvdata(pdev, ndev);
>
> You must make all software state settings before reigster_netdev() is
> invoked.
>
> At the exact moment you call register_netdev(), your device can be
> brought up, interrupts processed, PHY state changes made, etc.
>
> So you must put this platform_set_drvdata() before the
> register_netdev() call.
>
> Generally speaking, register_netdev() must always be the last state
> modification done by your probe routine.
Indeed. It's not good to invoke register_netdev() with all software
initialization not completed. I'll move register_netdev() after
all initialization.
Thank you,
---
Best Regards,
Kunihiko Hayashi
prev parent reply other threads:[~2017-12-18 3:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-14 10:05 [PATCH net-next v6 0/2] add UniPhier AVE ethernet support Kunihiko Hayashi
2017-12-14 10:05 ` [PATCH net-next v6 1/2] dt-bindings: net: add DT bindings for Socionext UniPhier AVE Kunihiko Hayashi
2017-12-14 23:24 ` Florian Fainelli
2017-12-15 8:03 ` Kunihiko Hayashi
2017-12-14 10:05 ` [PATCH net-next v6 2/2] net: ethernet: socionext: add AVE ethernet driver Kunihiko Hayashi
2017-12-15 17:57 ` David Miller
2017-12-18 3:51 ` Kunihiko Hayashi [this message]
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