Re: [PATCH v3 0/5] PCI: tegra: A couple of cleanups
From: Manivannan Sadhasivam
Date: Thu Mar 05 2026 - 01:16:05 EST
On Tue, Feb 24, 2026 at 05:48:56PM +0530, Anand Moon wrote:
> Hi All,
>
> This small series provides two cleanup patches for the Tegra PCIe driver.
> The overall goal is to replace custom, open-coded logic with standard
> kernel helper functions.
>
> These changes improve the driver's readability and maintainability by
> everaging modern, well-tested APIs for clock management and register
> polling.
>
> v3: Fix the DT binding for nvidia,tegra-pcie.yaml
> tried to address issue for Krzysztof and Jon.
> Added missing regulator and new patch to fix the device tree check.
> Added missing entry in MAINTAINERS.
>
> v2: Fix the DT binding for nvidia,tegra-pcie.yaml
> switch back to devm_clk_bulk_get_all to get all the clocks
> improve the commit message.
>
> v1 Added new devicetree binding nvidia,tegra-pcie.yaml file.
> Switch from devm_clk_bulk_get_all() -> devm_clk_bulk_get() api.
> Fixed checkpatch warnings.
>
> Tested on Jetson Nano 4 GB ram.
>
> jetson-nano:~$ lspci -tvv
> -[0000:00]-+-01.0-[01]----00.0 Intel Corporation Wireless 8265 / 8275
> \-02.0-[02]----00.0 Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller
>
Given the history of this series, I want an Ack from Jon/Thierry or other Nvidia
folks for the driver patches.
- Mani
> v2: https://lore.kernel.org/linux-tegra/20251215141603.6749-1-linux.amoon@xxxxxxxxx/
> v1: https://lore.kernel.org/linux-tegra/20250926072905.126737-1-linux.amoon@xxxxxxxxx/
> RFC : https://lore.kernel.org/linux-tegra/20250831190055.7952-2-linux.amoon@xxxxxxxxx/
>
> Thanks
> -Anand
>
> Anand Moon (5):
> dt-bindings: PCI: Convert nvidia,tegra-pcie to DT schema
> arm64: dts: tegra: tegra186-p2771: Fix invalid PCIe nvidia,num-lanes
> PCI: tegra: Simplify clock handling by using clk_bulk*() functions
> PCI: tegra: Use readl_poll_timeout() for link status polling
> PCI: tegra: Use BIT() and GENMASK() macros for register definitions
>
> .../bindings/pci/nvidia,tegra-pcie.yaml | 528 ++++++++++++++
> .../bindings/pci/nvidia,tegra20-pcie.txt | 670 ------------------
> MAINTAINERS | 2 +-
> .../boot/dts/nvidia/tegra186-p2771-0000.dts | 2 +-
> drivers/pci/controller/pci-tegra.c | 237 +++----
> 5 files changed, 621 insertions(+), 818 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/pci/nvidia,tegra-pcie.yaml
> delete mode 100644 Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
>
>
> base-commit: 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f
> --
> 2.50.1
>
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