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From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Vladimir Oltean <olteanv@gmail.com>
Cc: Colin Foster <colin.foster@in-advantage.com>,
	andrew@lunn.ch, vivien.didelot@gmail.com, f.fainelli@gmail.com,
	davem@davemloft.net, kuba@kernel.org, robh+dt@kernel.org,
	claudiu.manoil@nxp.com, UNGLinuxDriver@microchip.com,
	linux@armlinux.org.uk, netdev@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v2 net-next 2/8] net: dsa: ocelot: felix: move MDIO access to a common location
Date: Sat, 10 Jul 2021 22:02:40 +0200	[thread overview]
Message-ID: <YOn84MsXpILIlrxo@piout.net> (raw)
In-Reply-To: <20210710195913.owqvc7llnya74axl@skbuf>

On 10/07/2021 22:59:13+0300, Vladimir Oltean wrote:
> On Sat, Jul 10, 2021 at 12:25:56PM -0700, Colin Foster wrote:
> > Indirect MDIO access is a feature that doesn't need to be specific to the
> > Seville driver. Separate the feature to a common file so it can be shared.
> > 
> > Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
> > ---
> 
> In fact, this same piece of hardware has a dedicated driver inside
> drivers/net/mdio/mdio-mscc-miim.c. The only problem is that it doesn't
> work with regmap, and especially not with a caller-supplied regmap. I
> was too lazy to do that, but it is probably what should have been done.
> 
> By comparison, felix_vsc9959.c was coded up to work with an internal
> MDIO bus whose ops are implemented by another driver (enetc_mdio). Maybe
> you could take that as an example and have mdio-mscc-miim.c drive both
> seville and ocelot.

That was indeed going to be my comment.

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

  reply	other threads:[~2021-07-10 20:02 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-10 19:25 [RFC PATCH v2 net-next 0/8] Add support for VSC7511-7514 chips over SPI Colin Foster
2021-07-10 19:25 ` [RFC PATCH v2 net-next 1/8] net: dsa: ocelot: remove unnecessary pci_bar variables Colin Foster
2021-07-10 19:53   ` Vladimir Oltean
2021-07-11 16:36     ` Colin Foster
2021-07-10 19:25 ` [RFC PATCH v2 net-next 2/8] net: dsa: ocelot: felix: move MDIO access to a common location Colin Foster
2021-07-10 19:59   ` Vladimir Oltean
2021-07-10 20:02     ` Alexandre Belloni [this message]
2021-07-11 16:41     ` Colin Foster
2021-07-10 19:25 ` [RFC PATCH v2 net-next 3/8] net: dsa: ocelot: felix: NULL check on variable Colin Foster
2021-07-10 20:06   ` Vladimir Oltean
2021-07-11 16:47     ` Colin Foster
2021-07-10 19:25 ` [RFC PATCH v2 net-next 4/8] net: dsa: ocelot: felix: add interface for custom regmaps Colin Foster
2021-07-10 19:25 ` [RFC PATCH v2 net-next 5/8] net: mscc: ocelot: split register definitions to a separate file Colin Foster
2021-07-10 19:26 ` [RFC PATCH v2 net-next 6/8] net: mscc: ocelot: expose ocelot wm functions Colin Foster
2021-07-10 20:36   ` Vladimir Oltean
2021-07-10 19:26 ` [RFC PATCH v2 net-next 7/8] net: dsa: ocelot: felix: add support for VSC75XX control over SPI Colin Foster
2021-07-10 20:52   ` Vladimir Oltean
2021-07-11 17:09     ` Colin Foster
2021-07-11 22:13       ` Alexandre Belloni
2021-07-10 19:26 ` [RFC PATCH v2 net-next 8/8] Update documentation for the VSC7512 SPI device Colin Foster
2021-07-10 20:34   ` Vladimir Oltean
2021-07-11 16:58     ` Colin Foster
2021-07-10 19:47 ` [RFC PATCH v2 net-next 0/8] Add support for VSC7511-7514 chips over SPI Vladimir Oltean
2021-07-11 16:32   ` Colin Foster
2021-07-10 20:01 ` Alexandre Belloni
2021-07-11 16:44   ` Colin Foster

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