RE: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3 Ethernet driver for hip08 SoC

From	Salil Mehta <salil.mehta@huawei.com>
Newsgroups	linux.kernel
Subject	RE: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3 Ethernet driver for hip08 SoC
Date	2017-06-17 14:00 +0200
Message-ID	<tTkyt-6Bw-3@gated-at.bofh.it> (permalink)
References	<tS3gl-5Od-5@gated-at.bofh.it> <tS3gm-5Od-29@gated-at.bofh.it> <tS6Hg-7QQ-19@gated-at.bofh.it>
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Hi Andrew,

> -----Original Message-----
> From: Andrew Lunn [mailto:andrew@lunn.ch]
> Sent: Wednesday, June 14, 2017 3:56 AM
> To: Salil Mehta
> Cc: davem@davemloft.net; Zhuangyuzeng (Yisen); huangdaode; lipeng (Y);
> mehta.salil.lnk@gmail.com; netdev@vger.kernel.org; linux-
> kernel@vger.kernel.org; Linuxarm
> Subject: Re: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to
> HNS3 Ethernet driver for hip08 SoC
> 
> > +	if (le16_to_cpu(HCLGE_MDIO_STA_VAL(mdio_cmd->sta))) {
> > +		dev_err(&hdev->pdev->dev, "mdio read data error\n");
> > +		return -ENOMEM;
> > +	}
> 
> If it is not zero, it is an error. !0 is always !0, big or little
> endian, so there is no point doing the le16_to_cpu().
> 
> Where is the memory allocation which failed?
> 
>       Andrew
Agreed! Will remove this.

Thanks
Salil

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[PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3 Ethernet driver for hip08 SoC Salil Mehta <salil.mehta@huawei.com> - 2017-06-14 01:20 +0200
  Re: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Florian Fainelli <f.fainelli@gmail.com> - 2017-06-14 01:50 +0200
    RE: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Salil Mehta <salil.mehta@huawei.com> - 2017-06-17 12:50 +0200
  Re: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Andrew Lunn <andrew@lunn.ch> - 2017-06-14 04:50 +0200
    RE: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Salil Mehta <salil.mehta@huawei.com> - 2017-06-17 14:00 +0200
  Re: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Andrew Lunn <andrew@lunn.ch> - 2017-06-14 05:00 +0200
    RE: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Salil Mehta <salil.mehta@huawei.com> - 2017-06-17 14:00 +0200

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