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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. >>>>>> >>>>> >>>>> The dependency means, whenever someone tries to enable PCIE_TEGRA194_HOST, >>>>> ARCH_TEGRA should be enabled. So as long as someone not trying to enable >>>>> PCIE_TEGRA194_HOST for 32bit Tegra systems, ARCH_TEGRA should work fine and >>>>> PCIE_TEGRA194_HOST is not selected by arch/arm/configs/tegra_defconfig. So I >>>>> don't see any blocker with this patch. In fact, many other archs do the same. >>>>> >>>>> But I don't like extending the Kconfig with per SoC dependency as it won't >>>>> scale. >>>> >>>> We already have a patch from Vidya: >>>> [PATCH V4] PCI: dwc: tegra194: Broaden architecture dependency >>>> that was sent 2025-05-08 >>>> >>>> Back then, the reason why it wasn't merged was because it required a >>>> similar change to the PHY driver to go in first: >>>> https://lore.kernel.org/linux-pci/174722268141.85510.14696275121588719556.b4-ty@kernel.org/ >>>> >>>> The PHY driver change was merged in v6.16: >>>> 0c2228731974 ("phy: tegra: p2u: Broaden architecture dependency") >>>> >>>> So, I think we could just merge: >>>> https://lore.kernel.org/linux-pci/20250508051922.4134041-1-vidyas@nvidia.com/ >>>> >>>> (Assuming it still applies.) >>> >>> Yes it does and applying Sagar's patch is fine with me. So it you want to >>> apply Sagar's patch please add my ... >>> >> >> Don't we need: >> >> depends on (ARCH_TEGRA && ARM64) || COMPILE_TEST > > This is exactly what I originally suggested to Vidya: > https://lore.kernel.org/linux-pci/Z6XjWJd9jm0HHNXW@ryzen/ > > >> >> in the above patch? > > The above patch instead has: > > depends on ARCH_TEGRA && (ARM64 || COMPILE_TEST) > > I don't know why Vidya did not use my suggestion exactly, but I guess I > assumed that he had a reason not to use my suggestion exactly. Looking 0c2228731974 ("phy: tegra: p2u: Broaden architecture dependency") we ended up just merging ... diff --git a/drivers/phy/tegra/Kconfig b/drivers/phy/tegra/Kconfig index f30cfb42b210..342fb736da4b 100644 --- a/drivers/phy/tegra/Kconfig +++ b/drivers/phy/tegra/Kconfig @@ -13,7 +13,7 @@ config PHY_TEGRA_XUSB config PHY_TEGRA194_P2U tristate "NVIDIA Tegra194 PIPE2UPHY PHY driver" - depends on ARCH_TEGRA_194_SOC || ARCH_TEGRA_234_SOC || COMPILE_TEST + depends on ARCH_TEGRA || COMPILE_TEST select GENERIC_PHY help So I guess we could just merge Francesco's original suggestion for consistency. Otherwise I would be happy with ... depends on (ARCH_TEGRA && ARM64) || COMPILE_TEST Jon -- nvpublic