linux-kernel - Re: [PATCH] pci: controller: tegra194: remove dependency on Tegra194 SoC

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Message-ID: <e900f082-fb3e-45c6-a94b-935132190249@nvidia.com>
Date: Fri, 2 Jan 2026 10:58:15 +0000
From: Jon Hunter <jonathanh@...dia.com>
To: Manivannan Sadhasivam <mani@...nel.org>,
 Francesco Lavra <flavra@...libre.com>, thierry.reding@...il.com
Cc: Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kwilczynski@...nel.org>,
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
 Mayank Rana <mayank.rana@....qualcomm.com>,
 Thomas Gleixner <tglx@...utronix.de>, Shradha Todi <shradha.t@...sung.com>,
 Thippeswamy Havalige <thippeswamy.havalige@....com>,
 Inochi Amaoto <inochiama@...il.com>, Vidya Sagar <vidyas@...dia.com>,
 linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
 "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH] pci: controller: tegra194: remove dependency on Tegra194
 SoC


On 23/12/2025 06:45, Manivannan Sadhasivam wrote:
> On Wed, Nov 26, 2025 at 11:25:30AM +0100, Francesco Lavra wrote:
> 
> + Tegra maintainers
> 
>> This driver runs (for both host and endpoint operation) also on other Tegra
>> SoCs (e.g. Tegra234).
>> Replace the Kconfig dependency on ARCH_TEGRA_194_SOC with a more generic
>> dependency on ARCH_TEGRA; in addition, amend the Kconfig help text to
>> reflect the fact that this driver is no longer exclusive to Tegra194.
>>
> 
> I vaguely remember asking about this a while back during some other patch review
> and I don't remember what we concluded.
 > > Thierry, Jon, thoughts?

So ARCH_TEGRA means that this can be enabled for the legacy 32-bit Tegra 
devices as well as the current 64-bit Tegra devices (such as Tegra194). 
Given that this driver is only used for Tegra194 and Tegra234, it seems 
it would be better to only enable this for Tegra194 and Tegra234 instead 
of any Tegra.

Cheers
Jon

-- 
nvpublic