[PATCH v2 0/2] Wait for device readiness after D3hot -> D0uninitialized transition

[Bjorn Helgaas]

In pci_power_up(), wait for device to become ready after a soft reset
(D3hot->D0uninitialized transition).  We already wait 10 ms, but even after
that, the device is permitted to respond to config requests with Request
Retry Status (RRS) completion status.  Use pci_dev_wait() to wait for
successful completion.

Bjorn Helgaas (2):
  PCI: Log device readiness timeouts as errors
  PCI: Wait for device readiness after D3hot -> D0uninitialized
    transition

 drivers/pci/pci.c | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)


Changes since v1:
  - Log device readiness timeouts as errors, not warnings
  - On timeout, set dev->current_state to D3cold and return -EIO

v1: https://lore.kernel.org/all/20260514153124.404060-1-bhelgaas@xxxxxxxxxx/