26.05.2019 7:37, Vidya Sagar пишет: > Add support for Synopsys DesignWare core IP based PCIe host controller > present in Tegra194 SoC. > > Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx> > --- > Changes since [v7]: > * Addressed review comments from Thierry > > Changes since [v6]: > * Removed code around "nvidia,disable-aspm-states" DT property > * Refactored code to remove code duplication > > Changes since [v5]: > * Addressed review comments from Thierry > > Changes since [v4]: > * None > > Changes since [v3]: > * None > > Changes since [v2]: > * Changed 'nvidia,init-speed' to 'nvidia,init-link-speed' > * Changed 'nvidia,pex-wake' to 'nvidia,wake-gpios' > * Removed .runtime_suspend() & .runtime_resume() implementations > > Changes since [v1]: > * Made CONFIG_PCIE_TEGRA194 as 'm' by default from its previous 'y' state > * Modified code as per changes made to DT documentation > * Refactored code to address Bjorn & Thierry's review comments > * Added goto to avoid recursion in tegra_pcie_dw_host_init() API > * Merged .scan_bus() of dw_pcie_host_ops implementation to tegra_pcie_dw_host_init() API > > drivers/pci/controller/dwc/Kconfig | 10 + > drivers/pci/controller/dwc/Makefile | 1 + > drivers/pci/controller/dwc/pcie-tegra194.c | 1621 ++++++++++++++++++++ > 3 files changed, 1632 insertions(+) > create mode 100644 drivers/pci/controller/dwc/pcie-tegra194.c > > diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig > index a6ce1ee51b4c..884112afc11b 100644 > --- a/drivers/pci/controller/dwc/Kconfig > +++ b/drivers/pci/controller/dwc/Kconfig > @@ -220,6 +220,16 @@ config PCI_MESON > and therefore the driver re-uses the DesignWare core functions to > implement the driver. > > +config PCIE_TEGRA194 > + tristate "NVIDIA Tegra194 (and later) PCIe controller" > + depends on (TEGRA_BPMP && ARCH_TEGRA) || COMPILE_TEST TEGRA_BPMP will be enough here as it depends on other relevant options. Hence I mean: depends on TEGRA_BPMP || COMPILE_TEST > + depends on PCI_MSI_IRQ_DOMAIN You probably want to s/depends on/select/ PCI_MSI_IRQ_DOMAIN, don't you? -- Dmitry
