PCI: tegra194: Fix MCFG quirk build regressions
7f100744 ("PCI: tegra: Add Tegra194 MCFG quirks for ECAM errata") caused a few build regressions: - 7f100744 removed the Makefile rule for CONFIG_PCIE_TEGRA194, so pcie-tegra.c can no longer be built as a module. Restore that rule. - 7f100744 added "#ifdef CONFIG_PCIE_TEGRA194" around the native driver, but that's only set when the driver is built-in (for a module, CONFIG_PCIE_TEGRA194_MODULE is defined). The ACPI quirk is completely independent of the rest of the native driver, so move the quirk to its own file and remove the #ifdef in the native driver. - 7f100744 added symbols that are always defined but used only when CONFIG_PCIEASPM, which causes warnings when CONFIG_PCIEASPM is not set: drivers/pci/controller/dwc/pcie-tegra194.c:259:18: warning: ‘event_cntr_data_offset’ defined but not used [-Wunused-const-variable=] drivers/pci/controller/dwc/pcie-tegra194.c:250:18: warning: ‘event_cntr_ctrl_offset’ defined but not used [-Wunused-const-variable=] drivers/pci/controller/dwc/pcie-tegra194.c:243:27: warning: ‘pcie_gen_freq’ defined but not used [-Wunused-const-variable=] Fixes: 7f100744 ("PCI: tegra: Add Tegra194 MCFG quirks for ECAM errata") Link: https://lore.kernel.org/r/20210610064134.336781-1-jonathanh@nvidia.com Signed-off-by:Jon Hunter <jonathanh@nvidia.com> Signed-off-by:
Bjorn Helgaas <bhelgaas@google.com> Reviewed-by:
Thierry Reding <treding@nvidia.com>
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