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Thu, 23 Oct 2025 08:32:14 -0700 (PDT) Received: from [192.168.1.29] ([178.197.219.123]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429898acc6esm4443389f8f.25.2025.10.23.08.32.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 23 Oct 2025 08:32:13 -0700 (PDT) Message-ID: <00555ed7-1aee-459a-ae60-0242809d7b85@linaro.org> Date: Thu, 23 Oct 2025 17:32:12 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1] arm64: defconfig: Enable i.MX95 configs for booting and Ethernet To: Marek Vasut , Alexander Stein , Catalin Marinas , Will Deacon , Shawn Guo , Fabio Estevam , Marek Vasut , Peng Fan , linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, imx@lists.linux.dev, =?UTF-8?Q?Jo=C3=A3o_Paulo_Gon=C3=A7alves?= , =?UTF-8?Q?Jo=C3=A3o_Paulo_Gon=C3=A7alves?= References: <20251023-upstream-imx95-smarc-defconfig-v1-1-62c6e6f5b315@toradex.com> <3381308.aeNJFYEL58@steina-w> <5d042f21-274e-4b69-849a-3342d77942eb@mailbox.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 23/10/2025 17:27, Marek Vasut wrote: > On 10/23/25 5:22 PM, Krzysztof Kozlowski wrote: >> On 23/10/2025 16:03, Alexander Stein wrote: >>> Hi, >>> >>> Am Donnerstag, 23. Oktober 2025, 14:19:15 CEST schrieb João Paulo Gonçalves: >>>> From: João Paulo Gonçalves >>>> >>>> Enable the necessary missing configs for the i.MX95 to boot and also >>>> have Ethernet working: >>>> >>>> * CONFIG_NXP_ENETC4 for the network controller driver >>>> * CONFIG_NXP_NETC_BLK_CTRL for the NETC hardware domain controller >>>> * CONFIG_PINCTRL_IMX_SCMI for the pinctrl driver >>>> * CONFIG_CLK_IMX95_BLK_CTL for the shared hardware domain controller >>>> >>>> Signed-off-by: João Paulo Gonçalves >>>> --- >>>> arch/arm64/configs/defconfig | 4 ++++ >>>> 1 file changed, 4 insertions(+) >>>> >>>> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig >>>> index e3a2d37bd10423b028f59dc40d6e8ee1c610d6b8..787d3ae3f5afeac486a905e0943e7b0e1dcee3a9 100644 >>>> --- a/arch/arm64/configs/defconfig >>>> +++ b/arch/arm64/configs/defconfig >>>> @@ -354,8 +354,10 @@ CONFIG_FSL_FMAN=y >>>> CONFIG_FSL_DPAA_ETH=y >>>> CONFIG_FSL_DPAA2_ETH=y >>>> CONFIG_FSL_ENETC=y >>>> +CONFIG_NXP_ENETC4=m >>>> CONFIG_FSL_ENETC_VF=y >>>> CONFIG_FSL_ENETC_QOS=y >>>> +CONFIG_NXP_NETC_BLK_CTRL=m >>> >>> Are you sure this should be module? Shouldn't NFS boot be supported by >>> default? I might be wring here though. >> >> >> NFS root is supported already with this being module. Yes, it must be a >> module, cannot be built in. > It seems I am using it as built-in on MX95 Verdin (patch is posted on > the ML), and yes, I do boot from NFS root without any initrd/initramfs. > It has to be built-in for that use case to work. Every arm64 platform is supposed to use initramfs and we already use all over the place. Actually, even on arm32, so that use case is not something defconfig is supposed to support. Your own product config of course can. Best regards, Krzysztof