Re: [PATCH 1/1] PCI: dw-rockchip: Add support to reset Root Port upon link down event
Manivannan Sadhasivam <[email protected]> Thu, 30 Jul 2026 18:50:33 +0200
| Newsgroups | org.infradead.lists.linux-rockchip,org.kernel.vger.linux-pci |
|---|---|
| Message-ID | <178543023346.1027311.7750630092829191758.b4-ty@b4> |
On Mon, 27 Jul 2026 19:26:56 +0200, Niklas Cassel wrote:
> The PCIe link may go down in cases like firmware crashes or unstable
> connections. When this occurs, the PCIe Root Port must be reset to restore
> the functionality. However, the current driver lacks link down handling,
> forcing users to reboot the system to recover.
>
> This patch implements the `reset_root_port` callback for link down handling
> for Rockchip DWC PCIe host controller. In which, the RC is reset,
> reconfigured and link training initiated to recover from the link down
> event.
>
> [...]
Applied, thanks!
[1/1] PCI: dw-rockchip: Add support to reset Root Port upon link down event
commit: 9225afa7a8637df41b8e4705ea7e7e890ce78084
Best regards,
--
மணிவண்ணன் சதாசிவம்
_______________________________________________
Linux-rockchip mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/linux-rockchip