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Tue, 26 Nov 2019 06:55:40 -0800 (PST) Date: Tue, 26 Nov 2019 15:54:50 +0100 From: Oliver Graute To: Peng Fan Subject: Re: [PATCH] arm64: defconfig: Change CONFIG_AT803X_PHY from m to y Message-ID: <20191126145450.GB5108@optiplex> References: <1572848275-30941-1-git-send-email-peng.fan@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1572848275-30941-1-git-send-email-peng.fan@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191126_065543_971727_619D242D X-CRM114-Status: GOOD ( 16.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anson Huang , "catalin.marinas@arm.com" , "linux-kernel@vger.kernel.org" , "mripard@kernel.org" , "bjorn.andersson@linaro.org" , "dinguyen@kernel.org" , dl-linux-imx , "olof@lixom.net" , "shawnguo@kernel.org" , Leonard Crestez , "will@kernel.org" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 04/11/19, Peng Fan wrote: > From: Peng Fan > > 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 > --- > 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? [ 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel