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SubjectRe: [PATCH] arm64: defconfig: Change CONFIG_AT803X_PHY from m to y
On Tue, Nov 26, 2019 at 03:54:50PM +0100, Oliver Graute wrote:
> On 04/11/19, Peng Fan wrote:
> > From: Peng Fan <peng.fan@nxp.com>
> >
> > With phy-reset-gpios are enabled for i.MX8MM-EVK board, phy
> > will be reset. Without CONFIG_AT803X_PHY as y, board will stop
> > booting in NFS DHCP, because phy is not ready. So mark
> > CONFIG_AT803X_PHY from m to y to make board boot when using nfs rootfs.
> >
> > Signed-off-by: Peng Fan <peng.fan@nxp.com>
> > ---
> > arch/arm64/configs/defconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> > index c9a867ac32d4..cd778c9ea8a4 100644
> > --- a/arch/arm64/configs/defconfig
> > +++ b/arch/arm64/configs/defconfig
> > @@ -285,7 +285,7 @@ CONFIG_SNI_AVE=y
> > CONFIG_SNI_NETSEC=y
> > CONFIG_STMMAC_ETH=m
> > CONFIG_MDIO_BUS_MUX_MMIOREG=y
> > -CONFIG_AT803X_PHY=m
> > +CONFIG_AT803X_PHY=y
> > CONFIG_MARVELL_PHY=m
> > CONFIG_MARVELL_10G_PHY=m
> > CONFIG_MESON_GXL_PHY=m
> > --
> > 2.16.4
>
> Hello Peng,
>
> this patch broke my imx8qm nfs setup. With the generic phy driver my
> board is booting fine. But with the AT803X_PHY=y enabled I'am running
> into the following phy issue. So on my side it looks inverse as on
> yours. What is the best proposal to fix this?

So you are saying your Atheros 8035 device works with generic phy
driver but not with AT803X_PHY driver? That makes no sense. Did you
add phy-reset-gpios property for your device?

Shawn

>
> [ 5.550442] fec 5b040000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> [ 5.573206] Sending DHCP requests ...... timed out!
> [ 95.339702] IP-Config: Retrying forever (NFS root)...
> [ 95.348873] Atheros 8035 ethernet 5b040000.ethernet-1:06: attached PHY driver [Atheros 8035 ethernet] (mii_bus:phy_addr=5b040000.ethernet-1:06, irq=POLL)
> [ 99.438443] fec 5b040000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> [ 99.461206] Sending DHCP requests ...... timed out!
> [ 174.419639] IP-Config: Retrying forever (NFS root)...
> [ 174.428834] Atheros 8035 ethernet 5b040000.ethernet-1:06: attached PHY driver [Atheros 8035 ethernet] (mii_bus:phy_addr=5b040000.ethernet-1:06, irq=POLL)
> [ 178.542418] fec 5b040000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> [ 178.565206] Sending DHCP requests .....
> [ 209.261271] random: crng init done
> [ 230.565202] . timed out!
> [ 260.577340] IP-Config: Retrying forever (NFS root)...
> [ 260.586497] Atheros 8035 ethernet 5b040000.ethernet-1:06: attached PHY driver [Atheros 8035 ethernet] (mii_bus:phy_addr=5b040000.ethernet-1:06, irq=POLL)
> [ 264.686438] fec 5b040000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> [ 264.709206] Sending DHCP requests ...... timed out!
> [ 339.259701] IP-Config: Retrying forever (NFS root)...
> [ 339.268835] Atheros 8035 ethernet 5b040000.ethernet-1:06: attached PHY driver [Atheros 8035 ethernet] (mii_bus:phy_addr=5b040000.ethernet-1:06, irq=POLL)
> [ 343.374422] fec 5b040000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> [ 343.405206] Sending DHCP requests ...... timed out!
> [ 433.171676] IP-Config: Retrying forever (NFS root)...
> [ 433.180842] Atheros 8035 ethernet 5b040000.ethernet-1:06: attached PHY driver [Atheros 8035 ethernet] (mii_bus:phy_addr=5b040000.ethernet-1:06, irq=POLL)
> [ 437.294439] fec 5b040000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> [ 437.317206] Sending DHCP requests ...... timed out!
> [ 509.003660] IP-Config: Retrying forever (NFS root)...
> [ 509.012836] Atheros 8035 ethernet 5b040000.ethernet-1:06: attached PHY driver [Atheros 8035 ethernet] (mii_bus:phy_addr=5b040000.ethernet-1:06, irq=POLL)
> [ 513.102416] fec 5b040000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
>
> Best Regards,
>
> Oliver

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