PCI: cadence: Add LGA IP debugfs for LTSSM status

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Extend debugfs support to LGA-based Cadence PCIe controllers. The
'ltssm_status' file now works for both HPA and LGA IP by selecting the
appropriate register access based on the 'is_hpa' flag.

Signed-off-by: Hans Zhang <18255117159@163.com>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Tested-by: Aksh Garg <a-garg7@ti.com>
Link: https://patch.msgid.link/20260701073513.1101559-4-18255117159@163.com

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Hans Zhang 2026-07-01 15:35:12 +08:00 • committed by Manivannan Sadhasivam

parent ea34744eb0

commit d70e964dc0

4 changed files with 112 additions and 4 deletions

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61

drivers/pci/controller/cadence/pcie-cadence-debugfs.c

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3

drivers/pci/controller/cadence/pcie-cadence-ep.c

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9

drivers/pci/controller/cadence/pcie-cadence-host.c

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43

drivers/pci/controller/cadence/pcie-cadence.h

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