From mboxrd@z Thu Jan 1 00:00:00 1970 From: andrew@lunn.ch (Andrew Lunn) Date: Fri, 20 Jan 2017 01:06:45 +0100 Subject: [PATCH v5 1/2] net: dsa: mv88e6xxx: Don't forbid MDIO I/Os for PHY addr >= num_of_ports In-Reply-To: <871svylmvb.fsf@weeman.i-did-not-set--mail-host-address--so-tickle-me> References: <20170119214934.27442-1-gregory.clement@free-electrons.com> <20170119214934.27442-2-gregory.clement@free-electrons.com> <871svylmvb.fsf@weeman.i-did-not-set--mail-host-address--so-tickle-me> Message-ID: <20170120000645.GA31483@lunn.ch> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Jan 19, 2017 at 05:13:12PM -0500, Vivien Didelot wrote: > Hi Gregory, > > Gregory CLEMENT writes: > > > From: Romain Perier > > > > Some Marvell ethernet switches have internal ethernet transceivers with > > hardcoded phy addresses. These addresses can be greater than the number > > of ports or its value might be different than the associated port number. > > This is for example the case for MV88E6341 that has 6 ports and internal > > Port 1 to Port4 PHYs mapped at SMI addresses from 0x11 to 0x14. > > Isn't there an hardware table used to map the PHY addresses on such chip? The 6390 has something like this. But if we can avoid it, lets keep it KISS. Andrew