linux-kernel - Re: [PATCH 1/1] arm64: defconfig: Make I2C_QCOM

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Message-ID: <c0b2a73f-92ac-48fb-8576-9331fca6fd0c@kernel.org>
Date: Thu, 4 Dec 2025 08:09:32 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Viken Dadhaniya <viken.dadhaniya@....qualcomm.com>,
 linux-kernel@...r.kernel.org, geert+renesas@...der.be,
 bjorn.andersson@....qualcomm.com, arnd@...db.de, heiko@...ech.de,
 ebiggers@...nel.org, michal.simek@....com, luca.weiss@...rphone.com,
 nfraprado@...labora.com, prabhakar.mahadev-lad.rj@...renesas.com,
 kuninori.morimoto.gx@...esas.com
Cc: mukesh.savaliya@....qualcomm.com, linux-arm-msm@...r.kernel.org,
 trilok.soni@....qualcomm.com
Subject: Re: [PATCH 1/1] arm64: defconfig: Make I2C_QCOM_GENI built-in

On 04/12/2025 03:21, Viken Dadhaniya wrote:
> Require I2C over GENI during early boot on some Qualcomm platforms to
> initialize GPIO expanders that control SD card detection. Without this
> driver built-in, the kernel cannot detect the root filesystem device
> when modules are unavailable.
> 
> Make I2C_QCOM_GENI built-in to ensure these systems can boot without
> an initramfs.

No, that's a strong no. All Qcom and other arm64 systems are supposed to
use initramfs for booting on defconfig.

There is no single use case for this defconfig. Maybe you are mixing it
with some product configuration...


Best regards,
Krzysztof