[PATCH v2 0/4] PCI: dwc: Link Up IRQ fixes

Manivannan Sadhasivam manivannan.sadhasivam at linaro.org
Mon May 19 05:37:18 PDT 2025


On Tue, 06 May 2025 09:39:35 +0200, Niklas Cassel wrote:
> Commit 8d3bf19f1b58 ("PCI: dwc: Don't wait for link up if driver can detect
> Link Up event") added support for DWC to not wait for link up before
> enumerating the bus. However, we cannot simply enumerate the bus after
> receiving a Link Up IRQ, we still need to wait PCIE_T_RRS_READY_MS time
> to allow a device to become ready after deasserting PERST. To avoid
> bringing back an conditional delay during probe, perform the wait in the
> threaded IRQ handler instead.
> 
> [...]

Applied to controller/dw-rockchip, thanks!

[1/4] PCI: dw-rockchip: Do not enumerate bus before endpoint devices are ready
      commit: c1c9c4b6130defb671c45b53ec12fcd92afea971
[3/4] PCI: dw-rockchip: Replace PERST sleep time with proper macro
      commit: 9ad44a6f6f8775786a9543427c82625d96a340b4
[4/4] PCI: qcom: Replace PERST sleep time with proper macro
      commit: be0b42befa87d81780aa0f003644b0ad520b0234

(I do need to change the name of the topic-branch now...)

Best regards,
-- 
Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>



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