Re: [PATCH V8 14/15] PCI: tegra: Add Tegra194 PCIe support
From: Dmitry Osipenko
Date: Thu Jun 06 2019 - 12:40:03 EST
26.05.2019 7:37, Vidya Sagar ÐÐÑÐÑ:
> 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