From mboxrd@z Thu Jan  1 00:00:00 1970
Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 14 Sep 2018 15:19:00 +0200 (CEST)
Received: from vps0.lunn.ch ([185.16.172.187]:40421 "EHLO vps0.lunn.ch"
        rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP
        id S23992066AbeINNS5TWE9- (ORCPT <rfc822;linux-mips@linux-mips.org>);
        Fri, 14 Sep 2018 15:18:57 +0200
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124;
        h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date; bh=6iRjRWL740kb+PeABE+G71gJzC+7oZfV7p6kpViX5CU=;
        b=ofJOFCzUyXieJqhJDiyoxO78fGfWCuhxntwAIXdNKPf5xFrObgrXxTUTljh8mdYDgKsE+Xl1IyMuy6fLXdMQgqq6NXDmWSYAaWLqGKWBjWZeaPTF29By+rn7s7LxPJkEXkjWBSdGAYJKlClZxZ+qUXTqFUL6eSiDzzq0UK8U+34=;
Received: from andrew by vps0.lunn.ch with local (Exim 4.84_2)
        (envelope-from <andrew@lunn.ch>)
        id 1g0nzi-0004OM-C7; Fri, 14 Sep 2018 15:18:46 +0200
Date:   Fri, 14 Sep 2018 15:18:46 +0200
From:   Andrew Lunn <andrew@lunn.ch>
To:     Quentin Schulz <quentin.schulz@bootlin.com>
Cc:     alexandre.belloni@bootlin.com, ralf@linux-mips.org,
        paul.burton@mips.com, jhogan@kernel.org, robh+dt@kernel.org,
        mark.rutland@arm.com, davem@davemloft.net, f.fainelli@gmail.com,
        allan.nielsen@microchip.com, linux-mips@linux-mips.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        netdev@vger.kernel.org, thomas.petazzoni@bootlin.com,
        antoine.tenart@bootlin.com
Subject: Re: [PATCH net-next 2/7] net: phy: mscc: add support for VSC8584 PHY
Message-ID: <20180914131846.GG14865@lunn.ch>
References: <cover.b921b010b6d6bde1c11e69551ae38f3b2818645b.1536916714.git-series.quentin.schulz@bootlin.com>
 <a61d9affd3f1ec9deb60c882cce1daf37fbe2427.1536916714.git-series.quentin.schulz@bootlin.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <a61d9affd3f1ec9deb60c882cce1daf37fbe2427.1536916714.git-series.quentin.schulz@bootlin.com>
User-Agent: Mutt/1.5.23 (2014-03-12)
Return-Path: <andrew@lunn.ch>
X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0)
X-Orcpt: rfc822;linux-mips@linux-mips.org
Original-Recipient: rfc822;linux-mips@linux-mips.org
X-archive-position: 66291
X-ecartis-version: Ecartis v1.0.0
Sender: linux-mips-bounce@linux-mips.org
Errors-to: linux-mips-bounce@linux-mips.org
X-original-sender: andrew@lunn.ch
Precedence: bulk
List-help: <mailto:ecartis@linux-mips.org?Subject=help>
List-unsubscribe: <mailto:ecartis@linux-mips.org?subject=unsubscribe%20linux-mips>
List-software: Ecartis version 1.0.0
List-Id: linux-mips <linux-mips.eddie.linux-mips.org>
X-List-ID: linux-mips <linux-mips.eddie.linux-mips.org>
List-subscribe: <mailto:ecartis@linux-mips.org?subject=subscribe%20linux-mips>
List-owner: <mailto:ralf@linux-mips.org>
List-post: <mailto:linux-mips@linux-mips.org>
List-archive: <http://www.linux-mips.org/archives/linux-mips/>
X-list: linux-mips

> Most of the init sequence of a PHY of the package is common to all PHYs
> in the package, thus we use the SMI broadcast feature which enables us
> to propagate a write in one register of one PHY to all PHYs in the
> package.

Hi Quinten

Could you say a bit more about the broadcast. Does the SMI broadcast
go to all PHY everywhere on an MDIO bus, or only all PHYs within one
package? I'm just thinking about the case you need two of these
packages to cover 8 switch ports.

Thanks
	Andrew