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Date: Thu, 2 Nov 2017 08:55:33 -0700 From: David Daney <ddaney@...iumnetworks.com> To: Andrew Lunn <andrew@...n.ch>, David Daney <david.daney@...ium.com> Cc: linux-mips@...ux-mips.org, ralf@...ux-mips.org, James Hogan <james.hogan@...s.com>, netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, linux-kernel@...r.kernel.org, "Steven J. Hill" <steven.hill@...ium.com>, devicetree@...r.kernel.org, Carlos Munoz <cmunoz@...ium.com> Subject: Re: [PATCH 6/7] netdev: octeon-ethernet: Add Cavium Octeon III support. On 11/02/2017 05:43 AM, Andrew Lunn wrote: [...] >> + >> + i = atomic_inc_return(&pki_id); >> + pki_dev = platform_device_register_data(&new_dev->dev, >> + is_mix ? "octeon_mgmt" : "ethernet-mac-pki", >> + i, &platform_data, sizeof(platform_data)); >> + dev_info(&pdev->dev, "Created %s %u: %p\n", >> + is_mix ? "MIX" : "PKI", pki_dev->id, pki_dev); > > Is there any change of these ethernet ports being used to connect to > an Ethernet switch. We have had issues in the past with these sort of > platform devices combined with DSA. > There are only two possibilities. The BGX MACs have a multiplexer that allows them to be connected to either the "octeon_mgmt" MIX packet processor, or to the "ethernet-mac-pki" PKI/PKO packet processor. The SoCs supported by these drivers do not contain any hardware that would be considered an "Ethernet switch". I'm not sure I fully understand what your question is though, so I may not have answered it. David Daney
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