netdev - Re: [2/2] dsa: Replace mii_bus with a generic host device

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Message-ID: <20141013175143.GA30743@roeck-us.net>
Date:	Mon, 13 Oct 2014 10:51:43 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Alexander Duyck <alexander.h.duyck@...el.com>
Cc:	netdev@...r.kernel.org, f.fainelli@...il.com,
	kernel@...tstofly.org, davem@...emloft.net
Subject: Re: [2/2] dsa: Replace mii_bus with a generic host device

On Mon, Sep 15, 2014 at 01:00:27PM -0400, Alexander Duyck wrote:
> This change makes it so that instead of passing and storing a mii_bus we
> instead pass and store a host_dev.  From there we can test to determine the
> exact type of device, and can verify it is the correct device for our switch.
> 
> So for example it would be possible to pass a device pointer from a pci_dev
> and instead of checking for a PHY ID we could check for a vendor and/or device
> ID.
> 

Hi Alexander,

We are thinking about porting a PCIe based switch to use the DSA infrastructure,
so this patch is coming quite handy.

Have you been working on a port or a PCIe based chip to DSA yourself, by any
chance ? If yes, could you possibly share the current state ?
That might save us some time.

Thanks,
Guenter
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