netdev - Re: [PATCH net-next 05/19] net: usb: aqc111: Introduce PHY access

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Message-ID: <20181008121707.GB6216@lunn.ch>
Date:   Mon, 8 Oct 2018 14:17:07 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Igor Russkikh <Igor.Russkikh@...antia.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Dmitry Bezrukov <Dmitry.Bezrukov@...antia.com>
Subject: Re: [PATCH net-next 05/19] net: usb: aqc111: Introduce PHY access

On Mon, Oct 08, 2018 at 09:09:54AM +0000, Igor Russkikh wrote:
> Hi Andrew,
> 
> >>  
> >> +	struct aqc111_data *aqc111_data = (struct aqc111_data *)dev->data[0];
> > 
> > Having to do this cast all the time is quiet ugly. It seems like some
> > other usb_net drivers use netdev_priv().
> 
> As I see most of usb usbnet based devices use the same theme with accessing
> private data via dev->data.

It is just ugly. It would of been better if dev->data[] was a void
pointer. This is the first usbnet driver i've reviewed, so i don't
know the history behind this. I wonder if adding a void *priv would be
accepted?

	Andrew