[PATCH v2] PCI: spacemit: Ignore PERST# input in RC mode on K1

[Manivannan Sadhasivam]

On Fri, 06 Nov 2026 10:13:53 +0800, Encrow Thorne wrote:
> In RC mode, the K1 PERST# pad input also affects the local controller.
> Without PCIE_IGNORE_PERSTN set, asserting PERST# to reset the endpoint
> also resets the RC, losing previously programmed register values,
> including the vendor and device IDs.
> 
> Set PCIE_IGNORE_PERSTN during RC initialization to prevent this
> feedback. Set it before the first DBI access, since PERST# may already
> be low when initialization starts, causing the access to hang.
> 
> [...]

Applied, thanks!

[1/1] PCI: spacemit: Ignore PERST# input in RC mode on K1
      commit: d606b0d156c6e34d754fae20b31f69d662eb04e8

Best regards,
-- 
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