From: Andrew Lunn <andrew@lunn.ch>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Pramod Kumar <pramod.kumar@broadcom.com>,
Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Pawel Moll <pawel.moll@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Punit Agrawal <punit.agrawal@arm.com>,
Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Chen-Yu Tsai <wens@csie.org>, Rob Herring <robh+dt@kernel.org>,
BCM Kernel Feedback <bcm-kernel-feedback-list@broadcom.com>,
netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Anup Patel <anup.patel@broadcom.com>
Subject: Re: [PATCH 1/6] bus: Add shared MDIO bus framework
Date: Tue, 26 Apr 2016 19:45:05 +0200 [thread overview]
Message-ID: <20160426174505.GD11668@lunn.ch> (raw)
In-Reply-To: <571FA3F6.7000903@gmail.com>
> 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
WARNING: multiple messages have this Message-ID (diff)
From: andrew@lunn.ch (Andrew Lunn)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/6] bus: Add shared MDIO bus framework
Date: Tue, 26 Apr 2016 19:45:05 +0200 [thread overview]
Message-ID: <20160426174505.GD11668@lunn.ch> (raw)
In-Reply-To: <571FA3F6.7000903@gmail.com>
> 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
next prev parent reply other threads:[~2016-04-26 17:45 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-21 9:18 [PATCH 0/6] Add Shared MDIO framework for iProc based SoCs Pramod Kumar
2016-04-21 9:18 ` Pramod Kumar
2016-04-21 9:18 ` Pramod Kumar
2016-04-21 9:18 ` [PATCH 1/6] bus: Add shared MDIO bus framework Pramod Kumar
2016-04-21 9:18 ` Pramod Kumar
2016-04-21 9:18 ` Pramod Kumar
2016-04-24 18:18 ` David Miller
2016-04-24 18:18 ` David Miller
2016-04-24 18:18 ` David Miller
2016-04-25 4:09 ` Pramod Kumar
2016-04-25 4:09 ` Pramod Kumar
2016-04-25 20:56 ` Andrew Lunn
2016-04-25 20:56 ` Andrew Lunn
2016-04-25 20:56 ` Andrew Lunn
2016-04-26 8:33 ` Pramod Kumar
2016-04-26 8:33 ` Pramod Kumar
2016-04-26 12:13 ` Andrew Lunn
2016-04-26 12:13 ` Andrew Lunn
2016-04-26 12:13 ` Andrew Lunn
2016-04-26 16:26 ` David Miller
2016-04-26 16:26 ` David Miller
2016-04-26 16:26 ` David Miller
2016-04-26 17:23 ` Florian Fainelli
2016-04-26 17:23 ` Florian Fainelli
2016-04-26 17:45 ` Andrew Lunn [this message]
2016-04-26 17:45 ` Andrew Lunn
2016-04-26 17:53 ` Arnd Bergmann
2016-04-26 17:53 ` Arnd Bergmann
2016-04-26 17:53 ` Arnd Bergmann
2016-04-26 18:23 ` Andrew Lunn
2016-04-26 18:23 ` Andrew Lunn
2016-04-26 19:24 ` Arnd Bergmann
2016-04-26 19:24 ` Arnd Bergmann
2016-04-26 19:41 ` Andrew Lunn
2016-04-26 19:41 ` Andrew Lunn
2016-04-27 4:46 ` Anup Patel
2016-04-27 4:46 ` Anup Patel
2016-04-27 9:28 ` Arnd Bergmann
2016-04-27 9:28 ` Arnd Bergmann
2016-04-27 9:28 ` Arnd Bergmann
2016-04-21 9:18 ` [PATCH 2/6] Documentation: DT binding doc for iProc Shared MDIO Controller Pramod Kumar
2016-04-21 9:18 ` Pramod Kumar
2016-04-22 20:10 ` Rob Herring
2016-04-22 20:10 ` Rob Herring
2016-04-25 4:27 ` Pramod Kumar
2016-04-25 4:27 ` Pramod Kumar
2016-04-25 4:27 ` Pramod Kumar
2016-04-25 15:33 ` Andrew Lunn
2016-04-25 15:33 ` Andrew Lunn
2016-04-25 15:33 ` Andrew Lunn
2016-04-21 9:18 ` [PATCH 3/6] bus: Add platform driver for iProc shared " Pramod Kumar
2016-04-21 9:18 ` Pramod Kumar
2016-04-21 9:18 ` [PATCH 4/6] dt: Add Shared MDIO Controller node for NS2 Pramod Kumar
2016-04-21 9:18 ` Pramod Kumar
2016-04-21 9:18 ` [PATCH 5/6] Documentation: Binding doc for ethernet master in NS2 Pramod Kumar
2016-04-21 9:18 ` Pramod Kumar
2016-04-21 9:18 ` Pramod Kumar
2016-04-22 20:13 ` Rob Herring
2016-04-22 20:13 ` Rob Herring
2016-04-22 20:13 ` Rob Herring
2016-04-25 4:43 ` Pramod Kumar
2016-04-25 4:43 ` Pramod Kumar
2016-04-25 4:43 ` Pramod Kumar
2016-04-21 9:18 ` [PATCH 6/6] net:phy: Add Ethernet Master for iProc Shared MDIO Controller Pramod Kumar
2016-04-21 9:18 ` Pramod Kumar
2016-04-21 9:18 ` Pramod Kumar
2016-04-25 15:20 ` [PATCH 0/6] Add Shared MDIO framework for iProc based SoCs Andrew Lunn
2016-04-25 15:20 ` Andrew Lunn
2016-04-25 15:20 ` Andrew Lunn
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