[PATCH] RFC: net: fec: get rid of CONFIG_FEC_MXC_MDIO_BASE

Tim Harvey tharvey at gateworks.com
Wed May 11 22:39:59 CEST 2022


On Sat, May 7, 2022 at 12:41 PM Oleh Kravchenko <oleg at kaa.org.ua> wrote:
>
> Hello Tim,
> Your patch looks good, and I'm pleased to verify it.
> But I don't have access to the o4-imx6ull-nano board.
>
> 06.05.22 01:12, Tim Harvey пише:
> > A number of IMX8Q boards using FEC configure the address of the ethernet
> > controller via defconfig as there are two FEC controllers in the SoC.
> >
> > Now that the FEC driver uses DM the register address should be coming from
> > device-tree.
> >
> > Remove the hard coded config and while at it remove the unused
> > CONFIG_FEC_MXC_SHARE_MDIO.
> >
> > This is an RFC as I do not have the affected boards to test with and
> > would want to see a Tested-By from someone with each board. I am attempting
> > to clean up some ugliness in the FEC driver. There appears to be
> > multiple constructs to deal with shared MDIO busses when DM_MDIO should
> > be the right solution for that.
> >
> > Signed-off-by: Tim Harvey <tharvey at gateworks.com>
> > Cc: Marcel Ziswiler <marcel.ziswiler at toradex.com> (maintainer:Apalis iMX8)
> > Cc: Oliver Graute <oliver.graute at kococonnector.com> (maintainer:i.MX8QM CGTQMX8 BOARD)
> > Cc: Anatolij Gustschin <agust at denx.de> (maintainer:CAPRICORN BOARD)
> > Cc: Peng Fan <peng.fan at nxp.com> (maintainer:i.MX8QM MEK BOARD)
> > Cc: Fabio Estevam <festevam at gmail.com> (maintainer:i.MX8QXP MEK BOARD)
> > Cc: Oleh Kravchenko <oleg at kaa.org.ua> (maintainer:OUT4-IMX6ULL-NANO BOARD)
> > Cc: Joe Hershberger <joe.hershberger at ni.com> (maintainer:NETWORK)
> > Cc: Ramon Fried <rfried.dev at gmail.com> (maintainer:NETWORK)
> > ---
> >   configs/apalis-imx8_defconfig          |  2 --
> >   configs/cgtqmx8_defconfig              |  2 --
> >   configs/colibri-imx8x_defconfig        |  2 --
> >   configs/deneb_defconfig                |  2 --
> >   configs/giedi_defconfig                |  2 --
> >   configs/imx8qm_mek_defconfig           |  2 --
> >   configs/imx8qm_rom7720_a1_4G_defconfig |  2 --
> >   configs/imx8qxp_mek_defconfig          |  2 --
> >   configs/o4-imx6ull-nano_defconfig      |  2 --
> >   drivers/net/Kconfig                    | 11 -----------
> >   drivers/net/fec_mxc.c                  |  5 -----
> >   11 files changed, 34 deletions(-)
> >
> > diff --git a/configs/apalis-imx8_defconfig b/configs/apalis-imx8_defconfig
> > index beb20f6e1c01..bd8e7f01e493 100644
> > --- a/configs/apalis-imx8_defconfig
> > +++ b/configs/apalis-imx8_defconfig
> > @@ -56,8 +56,6 @@ CONFIG_PHY_ADDR_ENABLE=y
> >   CONFIG_PHY_MICREL=y
> >   CONFIG_PHY_MICREL_KSZ90X1=y
> >   CONFIG_DM_ETH=y
> > -CONFIG_FEC_MXC_SHARE_MDIO=y
> > -CONFIG_FEC_MXC_MDIO_BASE=0x5B040000
> >   CONFIG_FEC_MXC=y
> >   CONFIG_MII=y
> >   CONFIG_PINCTRL=y
> > diff --git a/configs/cgtqmx8_defconfig b/configs/cgtqmx8_defconfig
> > index 2cf882f826ab..fe62b639bd88 100644
> > --- a/configs/cgtqmx8_defconfig
> > +++ b/configs/cgtqmx8_defconfig
> > @@ -72,8 +72,6 @@ CONFIG_PHY_ADDR_ENABLE=y
> >   CONFIG_PHY_ATHEROS=y
> >   CONFIG_DM_ETH=y
> >   CONFIG_PHY_GIGE=y
> > -CONFIG_FEC_MXC_SHARE_MDIO=y
> > -CONFIG_FEC_MXC_MDIO_BASE=0x5B040000
> >   CONFIG_FEC_MXC=y
> >   CONFIG_MII=y
> >   CONFIG_PINCTRL=y
> > diff --git a/configs/colibri-imx8x_defconfig b/configs/colibri-imx8x_defconfig
> > index 0c9d6b64c1b6..03e899f51fed 100644
> > --- a/configs/colibri-imx8x_defconfig
> > +++ b/configs/colibri-imx8x_defconfig
> > @@ -54,8 +54,6 @@ CONFIG_PHYLIB=y
> >   CONFIG_PHY_ADDR_ENABLE=y
> >   CONFIG_PHY_MICREL=y
> >   CONFIG_DM_ETH=y
> > -CONFIG_FEC_MXC_SHARE_MDIO=y
> > -CONFIG_FEC_MXC_MDIO_BASE=0x5B040000
> >   CONFIG_FEC_MXC=y
> >   CONFIG_MII=y
> >   CONFIG_PINCTRL=y
> > diff --git a/configs/deneb_defconfig b/configs/deneb_defconfig
> > index 425fff6c70a6..d0fc11a774f8 100644
> > --- a/configs/deneb_defconfig
> > +++ b/configs/deneb_defconfig
> > @@ -94,8 +94,6 @@ CONFIG_MV88E61XX_CPU_PORT=5
> >   CONFIG_MV88E61XX_PHY_PORTS=0x7
> >   CONFIG_MV88E61XX_FIXED_PORTS=0x0
> >   CONFIG_DM_ETH=y
> > -CONFIG_FEC_MXC_SHARE_MDIO=y
> > -CONFIG_FEC_MXC_MDIO_BASE=0x5B050000
> >   CONFIG_FEC_MXC=y
> >   CONFIG_MII=y
> >   CONFIG_PINCTRL=y
> > diff --git a/configs/giedi_defconfig b/configs/giedi_defconfig
> > index 4fbf7ebdcd95..24bc621cf184 100644
> > --- a/configs/giedi_defconfig
> > +++ b/configs/giedi_defconfig
> > @@ -94,8 +94,6 @@ CONFIG_MV88E61XX_CPU_PORT=5
> >   CONFIG_MV88E61XX_PHY_PORTS=0x7
> >   CONFIG_MV88E61XX_FIXED_PORTS=0x0
> >   CONFIG_DM_ETH=y
> > -CONFIG_FEC_MXC_SHARE_MDIO=y
> > -CONFIG_FEC_MXC_MDIO_BASE=0x5B050000
> >   CONFIG_FEC_MXC=y
> >   CONFIG_MII=y
> >   CONFIG_PINCTRL=y
> > diff --git a/configs/imx8qm_mek_defconfig b/configs/imx8qm_mek_defconfig
> > index 2e42872f843d..448a20c7afd1 100644
> > --- a/configs/imx8qm_mek_defconfig
> > +++ b/configs/imx8qm_mek_defconfig
> > @@ -73,8 +73,6 @@ CONFIG_PHY_ADDR_ENABLE=y
> >   CONFIG_PHY_ATHEROS=y
> >   CONFIG_DM_ETH=y
> >   CONFIG_PHY_GIGE=y
> > -CONFIG_FEC_MXC_SHARE_MDIO=y
> > -CONFIG_FEC_MXC_MDIO_BASE=0x5B040000
> >   CONFIG_FEC_MXC=y
> >   CONFIG_MII=y
> >   CONFIG_PINCTRL=y
> > diff --git a/configs/imx8qm_rom7720_a1_4G_defconfig b/configs/imx8qm_rom7720_a1_4G_defconfig
> > index d9997cfa8280..0a8de612ea32 100644
> > --- a/configs/imx8qm_rom7720_a1_4G_defconfig
> > +++ b/configs/imx8qm_rom7720_a1_4G_defconfig
> > @@ -68,8 +68,6 @@ CONFIG_PHY_ADDR_ENABLE=y
> >   CONFIG_PHY_ATHEROS=y
> >   CONFIG_DM_ETH=y
> >   CONFIG_PHY_GIGE=y
> > -CONFIG_FEC_MXC_SHARE_MDIO=y
> > -CONFIG_FEC_MXC_MDIO_BASE=0x5B040000
> >   CONFIG_FEC_MXC=y
> >   CONFIG_MII=y
> >   CONFIG_PINCTRL=y
> > diff --git a/configs/imx8qxp_mek_defconfig b/configs/imx8qxp_mek_defconfig
> > index 43f42f7a58af..e4a3c4b103e6 100644
> > --- a/configs/imx8qxp_mek_defconfig
> > +++ b/configs/imx8qxp_mek_defconfig
> > @@ -74,8 +74,6 @@ CONFIG_PHY_ADDR_ENABLE=y
> >   CONFIG_PHY_ATHEROS=y
> >   CONFIG_DM_ETH=y
> >   CONFIG_PHY_GIGE=y
> > -CONFIG_FEC_MXC_SHARE_MDIO=y
> > -CONFIG_FEC_MXC_MDIO_BASE=0x5B040000
> >   CONFIG_FEC_MXC=y
> >   CONFIG_MII=y
> >   CONFIG_PINCTRL=y
> > diff --git a/configs/o4-imx6ull-nano_defconfig b/configs/o4-imx6ull-nano_defconfig
> > index 27a82b116304..216b4ef8a261 100644
> > --- a/configs/o4-imx6ull-nano_defconfig
> > +++ b/configs/o4-imx6ull-nano_defconfig
> > @@ -45,8 +45,6 @@ CONFIG_PHYLIB=y
> >   CONFIG_PHY_SMSC=y
> >   CONFIG_DM_ETH=y
> >   CONFIG_DM_ETH_PHY=y
> > -CONFIG_FEC_MXC_SHARE_MDIO=y
> > -CONFIG_FEC_MXC_MDIO_BASE=0x020b4000
> >   CONFIG_FEC_MXC=y
> >   CONFIG_MII=y
> >   CONFIG_PINCTRL=y
> > diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
> > index 347fe8aa425f..82e51b098ae0 100644
> > --- a/drivers/net/Kconfig
> > +++ b/drivers/net/Kconfig
> > @@ -326,17 +326,6 @@ config ETHOC
> >       help
> >         This MAC is present in OpenRISC and Xtensa XTFPGA boards.
> >
> > -config FEC_MXC_SHARE_MDIO
> > -     bool "Share the MDIO bus for FEC controller"
> > -     depends on FEC_MXC
> > -
> > -config FEC_MXC_MDIO_BASE
> > -     hex "MDIO base address for the FEC controller"
> > -     depends on FEC_MXC_SHARE_MDIO
> > -     help
> > -       This specifies the MDIO registers base address. It is used when
> > -       two FEC controllers share MDIO bus.
> > -
> >   config FEC_MXC
> >       bool "FEC Ethernet controller"
> >       depends on MX28 || MX5 || MX6 || MX7 || IMX8 || IMX8M || IMX8ULP || VF610
> > diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
> > index a623a5c45e4d..1add6fb91f53 100644
> > --- a/drivers/net/fec_mxc.c
> > +++ b/drivers/net/fec_mxc.c
> > @@ -1233,12 +1233,7 @@ static int fecmxc_probe(struct udevice *dev)
> >
> >       if (!bus) {
> >               dm_mii_bus = false;
> > -#ifdef CONFIG_FEC_MXC_MDIO_BASE
> > -             bus = fec_get_miibus((ulong)CONFIG_FEC_MXC_MDIO_BASE,
> > -                                  dev_seq(dev));
> > -#else
> >               bus = fec_get_miibus((ulong)priv->eth, dev_seq(dev));
> > -#endif
> >       }
> >       if (!bus) {
> >               ret = -ENOMEM;
>
> Reviewed-by: Oleh Kravchenko <oleg at kaa.org.ua>

Thanks Oleh. Do you know someone that does have a  o4-imx6ull-nano
board to test with?

Marcel, Fabio, Anatolij and Oliver, can you review and test your
boards with this?

Best Regards,

Tim


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