Re: [PATCH 1/6] bus: Add shared MDIO bus framework

From	Andrew Lunn <andrew@lunn.ch>
Newsgroups	linux.kernel
Subject	Re: [PATCH 1/6] bus: Add shared MDIO bus framework
Date	2016-04-26 19:50 +0200
Message-ID	<rsfhx-3db-31@gated-at.bofh.it> (permalink)
References	(1 earlier) <rqj5U-6Uw-19@gated-at.bofh.it> <rrVLQ-3EY-13@gated-at.bofh.it> <rs6Hf-4gv-7@gated-at.bofh.it> <rsa8a-7In-7@gated-at.bofh.it> <rseY9-34w-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

> I am not clear on how common a shared MDIO bus is on other SoCs, but the
> other Broadcom SoCs I am familiar with have dedicated MDIO buses
> instances per type of PHY (PCIe, BUSB, Ethernet), thus making the split
> a ton easier.

I don't actually see this shared bus being an issue, once the mux it
implemented. With the mux, you see N MDIO busses, each acting like a
normal MDIO bus. I've used the GPIO variety and had no issues:

http://marc.info/?l=linux-arm-kernel&m=145910090401796&w=2

	Andrew

Thread

[PATCH 0/6] Add Shared MDIO framework for iProc based SoCs Pramod Kumar <pramod.kumar@broadcom.com> - 2016-04-21 11:20 +0200
  [PATCH 1/6] bus: Add shared MDIO bus framework Pramod Kumar <pramod.kumar@broadcom.com> - 2016-04-21 11:30 +0200
    Re: [PATCH 1/6] bus: Add shared MDIO bus framework David Miller <davem@davemloft.net> - 2016-04-24 20:20 +0200
      RE: [PATCH 1/6] bus: Add shared MDIO bus framework Pramod Kumar <pramod.kumar@broadcom.com> - 2016-04-25 06:20 +0200
    Re: [PATCH 1/6] bus: Add shared MDIO bus framework Andrew Lunn <andrew@lunn.ch> - 2016-04-25 23:00 +0200
      RE: [PATCH 1/6] bus: Add shared MDIO bus framework Pramod Kumar <pramod.kumar@broadcom.com> - 2016-04-26 10:40 +0200
        Re: [PATCH 1/6] bus: Add shared MDIO bus framework Andrew Lunn <andrew@lunn.ch> - 2016-04-26 14:20 +0200
          Re: [PATCH 1/6] bus: Add shared MDIO bus framework David Miller <davem@davemloft.net> - 2016-04-26 18:30 +0200
          Re: [PATCH 1/6] bus: Add shared MDIO bus framework Florian Fainelli <f.fainelli@gmail.com> - 2016-04-26 19:30 +0200
            Re: [PATCH 1/6] bus: Add shared MDIO bus framework Andrew Lunn <andrew@lunn.ch> - 2016-04-26 19:50 +0200
            Re: [PATCH 1/6] bus: Add shared MDIO bus framework Arnd Bergmann <arnd@arndb.de> - 2016-04-26 20:00 +0200
              Re: [PATCH 1/6] bus: Add shared MDIO bus framework Andrew Lunn <andrew@lunn.ch> - 2016-04-26 20:30 +0200
                Re: [PATCH 1/6] bus: Add shared MDIO bus framework Arnd Bergmann <arnd@arndb.de> - 2016-04-26 21:30 +0200
                Re: [PATCH 1/6] bus: Add shared MDIO bus framework Andrew Lunn <andrew@lunn.ch> - 2016-04-26 21:50 +0200
                Re: [PATCH 1/6] bus: Add shared MDIO bus framework Anup Patel <anup.patel@broadcom.com> - 2016-04-27 06:50 +0200
                Re: [PATCH 1/6] bus: Add shared MDIO bus framework Arnd Bergmann <arnd@arndb.de> - 2016-04-27 11:30 +0200
  [PATCH 6/6] net:phy: Add Ethernet Master for iProc Shared MDIO Controller Pramod Kumar <pramod.kumar@broadcom.com> - 2016-04-21 11:30 +0200
  [PATCH 5/6] Documentation: Binding doc for ethernet master in NS2 Pramod Kumar <pramod.kumar@broadcom.com> - 2016-04-21 11:30 +0200
    Re: [PATCH 5/6] Documentation: Binding doc for ethernet master in NS2 Rob Herring <robh@kernel.org> - 2016-04-22 22:20 +0200
      RE: [PATCH 5/6] Documentation: Binding doc for ethernet master in NS2 Pramod Kumar <pramod.kumar@broadcom.com> - 2016-04-25 06:50 +0200
  Re: [PATCH 0/6] Add Shared MDIO framework for iProc based SoCs Andrew Lunn <andrew@lunn.ch> - 2016-04-25 17:30 +0200

csiph-web