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[v3,0/2] rockchip rk3399 port initialization fixes

Message ID 20240412023721.1049303-1-dlemoal@kernel.org
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Series rockchip rk3399 port initialization fixes | expand

Message

Damien Le Moal April 12, 2024, 2:37 a.m. UTC 
A couple of patches to have the rockchip rk3399 host controller port
initialization follow the PCI specifications around PERST# signal timing
handling.

Changes from v2:
 - Use PCIE_T_PVPERL_MS macro in patch 1 (and remove useless comments).
 - Split second msleep() addition into patch 2 as suggested by Bjorn.

Changes from v1:
 - Add more specification details to the commit message.
 - Add missing msleep(100) after PERST# is deasserted.

Damien Le Moal (2):
  PCI: rockchip-host: Fix rockchip_pcie_host_init_port() PERST# handling
  PCI: rockchip-host: Wait 100ms after reset before starting configuration

 drivers/pci/controller/pcie-rockchip-host.c | 3 +++
 drivers/pci/pci.h                           | 7 +++++++
 2 files changed, 10 insertions(+)