On Tue, Apr 25, 2023 at 09:47:51AM +0300, Mika Westerberg wrote: > With slow links (<= 5GT/s) active link reporting is not mandatory, so if > a device is disconnected during system sleep we might end up waiting for > it to respond for ~60s slowing down resume time. PCIe spec r6.0 sec > 6.6.1 mandates that the system software must wait for at least 1s before > it can determine the device as broken device so use the minimum > requirement for slow links and bail out if we do not get reply within > 1s. However, if the port supports active link reporting we can continue > the wait following what we do with the fast links. > > This should make system resume time faster for slow links as well while > still following the PCIe spec. > > While there move the PCI_RESET_WAIT constant into pci.c because it is > not used outside of that file anymore. > > Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> Reviewed-by: Lukas Wunner <lukas@xxxxxxxxx> This completes the patches queued up on pci/reset for v6.4, so would ideally be added to them (if at all possible at this point in the cycle). Thanks, Lukas
