linux-kernel - Re: [PATCH v3 3/3] phy: Add lan966x ethernet serdes PHY driver

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Message-ID: <YXA3VVUGEjUR4HDC@matsya>
Date:   Wed, 20 Oct 2021 21:05:49 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Horatiu Vultur <horatiu.vultur@...rochip.com>
Cc:     kishon@...com, robh+dt@...nel.org, andrew@...n.ch,
        alexandre.belloni@...tlin.com, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/3] phy: Add lan966x ethernet serdes PHY driver

On 20-10-21, 11:17, Horatiu Vultur wrote:
> The 10/19/2021 23:27, Vinod Koul wrote:
> > 
> > On 15-10-21, 14:39, Horatiu Vultur wrote:
> > > Add the Microchip lan966x ethernet serdes PHY driver for interfaces
> > > available in the lan966x SoC.
> > >
> > > Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
> > > ---
> > >  drivers/phy/microchip/Kconfig               |   8 +
> > >  drivers/phy/microchip/Makefile              |   1 +
> > >  drivers/phy/microchip/lan966x_serdes.c      | 540 ++++++++++++++++++++
> > >  drivers/phy/microchip/lan966x_serdes_regs.h | 482 +++++++++++++++++
> > >  4 files changed, 1031 insertions(+)
> > >  create mode 100644 drivers/phy/microchip/lan966x_serdes.c
> > >  create mode 100644 drivers/phy/microchip/lan966x_serdes_regs.h
> > >
> > > diff --git a/drivers/phy/microchip/Kconfig b/drivers/phy/microchip/Kconfig
> > > index 3728a284bf64..38039ed0754c 100644
> > > --- a/drivers/phy/microchip/Kconfig
> > > +++ b/drivers/phy/microchip/Kconfig
> > > @@ -11,3 +11,11 @@ config PHY_SPARX5_SERDES
> > >       depends on HAS_IOMEM
> > >       help
> > >         Enable this for support of the 10G/25G SerDes on Microchip Sparx5.
> > > +
> > > +config PHY_LAN966X_SERDES
> > > +     tristate "SerDes PHY driver for Microchip LAN966X"
> > > +     select GENERIC_PHY
> > > +     depends on OF
> > > +     depends on MFD_SYSCON
> > > +     help
> > > +       Enable this for supporting SerDes muxing with Microchip LAN966X
> > > diff --git a/drivers/phy/microchip/Makefile b/drivers/phy/microchip/Makefile
> > > index 7b98345712aa..fd73b87960a5 100644
> > > --- a/drivers/phy/microchip/Makefile
> > > +++ b/drivers/phy/microchip/Makefile
> > > @@ -4,3 +4,4 @@
> > >  #
> > >
> > >  obj-$(CONFIG_PHY_SPARX5_SERDES) := sparx5_serdes.o
> > > +obj-$(CONFIG_PHY_LAN966X_SERDES) := lan966x_serdes.o
> > > diff --git a/drivers/phy/microchip/lan966x_serdes.c b/drivers/phy/microchip/lan966x_serdes.c
> > > new file mode 100644
> > > index 000000000000..e663bb9186a8
> > > --- /dev/null
> > > +++ b/drivers/phy/microchip/lan966x_serdes.c
> > > @@ -0,0 +1,540 @@
> > > +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> > 
> > Any reason why this is dual licensed, why not GPL only?
> 
> No reason, I think I copy this from a different file.

Please have a chat with your lawyers on the correct license this should
have!

-- 
~Vinod