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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. Yes normally it does not. However, in this case it will only be used for Tegra194 and Tegra234 and not any later devices. Jon -- nvpublic