netdev - Re: [PATCH v2 7/8] net: mvmdio: add xmdio support

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Date:   Thu, 8 Jun 2017 18:03:31 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Antoine Tenart <antoine.tenart@...e-electrons.com>
Cc:     davem@...emloft.net, jason@...edaemon.net,
        gregory.clement@...e-electrons.com,
        sebastian.hesselbarth@...il.com, f.fainelli@...il.com,
        thomas.petazzoni@...e-electrons.com, mw@...ihalf.com,
        linux@...linux.org.uk, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 7/8] net: mvmdio: add xmdio support

On Thu, Jun 08, 2017 at 11:26:52AM +0200, Antoine Tenart wrote:
> +#define MVMDIO_XSMI_MGNT_REG		0x0
> +#define  MVMDIO_XSMI_READ_VALID		BIT(29)
> +#define  MVMDIO_XSMI_BUSY		BIT(30)
> +#define MVMDIO_XSMI_ADDR_REG		0x8
> +#define  MVMDIO_XSMI_PHYADDR_SHIFT	16
> +#define  MVMDIO_XSMI_DEVADDR_SHIFT	21
> +#define  MVMDIO_XSMI_READ_OPERATION	(0x7 << 26)
> +#define  MVMDIO_XSMI_WRITE_OPERATION	(0x5 << 27)

Hi Antoine

These two operations seem odd. Generally ops have the same shift.

      Andrew