kernel/git/stable/linux.git/Documentation/ABI/testing/debugfs-cdns-pcie, branch master Linux kernel stable tree https://git.rulkc.org/pub/scm/linux/kernel/git/stable/linux.git/atom?h=master 2026-07-15T07:36:10+00:00 PCI: cadence: Add HPA IP debugfs for LTSSM status 2026-07-15T07:36:10+00:00 Hans Zhang 18255117159@163.com 2026-07-01T07:35:11+00:00 urn:sha1:ea34744eb0949c7b1e53aea579f5a3e2d2b88d63 Add debugfs support for HPA-based Cadence PCIe controllers. A new file 'ltssm_status' is created under debugfs, allowing users to read the current LTSSM state as a string and raw value. Signed-off-by: Hans Zhang <18255117159@163.com> [mani: fixed the makefile and dropped MODULE_* macros] Signed-off-by: Manivannan Sadhasivam <mani@kernel.org> Tested-by: Aksh Garg <a-garg7@ti.com> Link: https://patch.msgid.link/20260701073513.1101559-3-18255117159@163.com