[PATCH V3 0/6] PCI: handle CRS response following Hot Reset and D3hot->D0

[okaya@codeaurora.org (Sinan Kaya)]

Hi Bjorn,

On 1/2/2018 12:00 PM, Sinan Kaya wrote:
> Rev 3.1 Sec 2.3.1 Request Handling Rules:
> Valid reset conditions after which a device is permitted to return CRS
> are:
> * Cold, Warm, and Hot Resets,
> * FLR
> * A reset initiated in response to a D3hot to D0 uninitialized
> 
> Try to reuse FLR implementation towards other reset types.
> 
> Changes from v2:
> * Correct Conventional PCI spec reference for AF_FLR
> * Commit message update to capitilize the first word following colon
> 
> Sinan Kaya (6):
>   PCI: Protect restore with device lock to be consistent
>   PCI: Handle FLR failure and allow other reset types
>   PCI: Make pci_flr_wait() generic and rename to pci_dev_wait()
>   PCI: Wait device ready after pci_pm_reset()
>   PCI: Add a return type for pci_reset_bridge_secondary_bus()
>   PCI: Add device wait after slot and bus reset
> 
>  drivers/pci/pci.c   | 70 ++++++++++++++++++++++++++++++++++-------------------
>  include/linux/pci.h |  4 +--
>  2 files changed, 47 insertions(+), 27 deletions(-)
> 

Do you think this is ready for merge or do you have more feedback?

Sinan

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.