Re: [PATCH] PCI: qcom: Only check bridge nodes for PERST# GPIOs
From: Manivannan Sadhasivam
Date: Tue Sep 01 2026 - 04:37:14 EST
On Sat, 29 Aug 2026 11:36:00 +0100, Christopher Obbard wrote:
> qcom_pcie_parse_perst() walks the PCIe hierarchy described in the device
> tree below its root port and collects the PERST# GPIOs from each bridge
> node so all PERST# lines can be driven in unison during controller
> bring-up, reset and power sequencing.
>
> However, the recursive device tree walk currently visits every available
> child node without checking that it is a PCI bridge. This allows the walk
> to leave the PCI hierarchy and collect reset lines from children of PCI
> enfpoitn nodes, where those reset lines belong to other drivers.
>
> [...]
Applied, thanks!
[1/1] PCI: qcom: Only check bridge nodes for PERST# GPIOs
commit: 1b3b0bc2b3672e928e06997444528f8797579eb2
Best regards,
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