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From: Andy Green <andy@warmcat.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Greg KH <greg@kroah.com>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Nicolas Pitre <nicolas.pitre@linaro.org>,
	Jaswinder Singh <jaswinder.singh@linaro.org>,
	Linux USB list <linux-usb@vger.kernel.org>,
	lkml <linux-kernel@vger.kernel.org>,
	broonie@opensource.wolfsonmicro.com, roger.quadros@nokia.com,
	grant.likely@secretlab.ca, netdev@vger.kernel.org,
	David Brownell <dbrownell@users.sourceforge.net>
Subject: Re: [RFC] usbnet: use eth%d name for known ethernet devices
Date: Wed, 23 Mar 2011 17:04:48 +0000	[thread overview]
Message-ID: <4D8A2830.6020706@linaro.org> (raw)
In-Reply-To: <201103231756.39849.arnd@arndb.de>

On 03/23/2011 04:56 PM, Somebody in the thread at some point said:

> The approach taken here is to flag whether a device might be a
> point-to-point link with the new FLAG_PTP setting in the usbnet
> driver_info. A driver can set both FLAG_PTP and FLAG_ETHER if
> it is not sure (e.g. cdc_ether), or just one of the two.
> The usbnet framework only looks at the MAC address for device
> naming if both flags are set, otherwise it trusts the flag.

> diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
> index bc86f4b..c98d3a7 100644
> --- a/drivers/net/usb/smsc95xx.c
> +++ b/drivers/net/usb/smsc95xx.c
> @@ -1231,7 +1231,7 @@ static const struct driver_info smsc95xx_info = {

> -	.flags		= FLAG_ETHER | FLAG_SEND_ZLP,
> +	.flags		= FLAG_ETHER | FLAG_SEND_ZLP | FLAG_REALLY_ETHER,

>   		if ((dev->driver_info->flags&  FLAG_ETHER) != 0&&
> +		    ((dev->driver_info->flags&  FLAG_PTP) == 0 ||
> +		     (net->dev_addr [0]&  0x02) == 0))
>   			strcpy (net->name, "eth%d");

So it just takes the approach that all smsc95xx are going to be eth%d? 
Sounds good to me.

-Andy

  reply	other threads:[~2011-03-23 17:04 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4D79F068.2080009@linaro.org>
     [not found] ` <201103231712.06184.arnd@arndb.de>
     [not found]   ` <20110323162251.GA9367@kroah.com>
2011-03-23 16:56     ` [RFC] usbnet: use eth%d name for known ethernet devices Arnd Bergmann
2011-03-23 17:04       ` Andy Green [this message]
2011-03-23 17:11         ` Arnd Bergmann
     [not found]           ` <201103231811.54290.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-24 10:45             ` Andy Green
2011-03-23 17:13       ` Arnd Bergmann
2011-03-23 17:54         ` David Anders
2011-03-23 18:46       ` Greg KH
2011-03-23 19:35         ` Arnd Bergmann
     [not found]           ` <AANLkTim7hPfTv3gDYnh+jGxHBg0OvX=r1FKYoHnH7H_o@mail.gmail.com>
2011-03-23 19:57             ` Arnd Bergmann
2011-03-23 19:59               ` Randy Dunlap
2011-03-23 23:17                 ` Michal Nazarewicz
2011-03-23 23:19                   ` Randy Dunlap
2011-03-23 23:38                   ` Steve Calfee
2011-03-24  0:01                     ` Ben Hutchings
2011-03-24 13:13                       ` Arnd Bergmann
2011-03-24 13:15                         ` Arnd Bergmann
2011-03-24 13:44                           ` Andy Green
     [not found]                           ` <201103241415.45115.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-24 13:56                             ` Alan Stern
2011-03-24 17:20                           ` Alexey Orishko
2011-03-25 11:57                             ` Arnd Bergmann
2011-03-25 16:26                               ` Alexey Orishko
2011-03-25 16:43                                 ` Arnd Bergmann

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