linux-kernel - [PATCH v8 0/3] dwc general suspend/resume functionality

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Message-Id: <20230803150409.271155-1-Frank.Li@nxp.com>
Date:   Thu,  3 Aug 2023 11:04:06 -0400
From:   Frank Li <Frank.Li@....com>
To:     helgaas@...nel.org
Cc:     Frank.li@....com, bhelgaas@...gle.com, devicetree@...r.kernel.org,
        gustavo.pimentel@...opsys.com, imx@...ts.linux.dev, kw@...ux.com,
        leoyang.li@....com, linux-arm-kernel@...ts.infradead.org,
        linux-imx@....com, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org, lorenzo.pieralisi@....com,
        lpieralisi@...nel.org, mani@...nel.org,
        manivannan.sadhasivam@...aro.org, minghuan.lian@....com,
        mingkai.hu@....com, robh+dt@...nel.org, roy.zang@....com,
        shawnguo@...nel.org, zhiqiang.hou@....com
Subject: [PATCH v8 0/3] dwc general suspend/resume functionality

Add a API for dwc suspend/resume.
In layerscape platform call this api.

Change log
 - Change from v7 to v8
   Add new patch to add common PCIE_PME_TO_L2_TIMEOUT_US define.
   timeout value using PCIE_PME_TO_L2_TIMEOUT_US.

 - Chnage from v6 to v7
   Remove local varible struct dw_pcie *pci = pcie->pci
   Change according to Manivannan's feedback
     remove unused lut_off and lut_base
     fixed  100 to 1000(for 1ms)
     using dev_err for timeout
     refine commit message
     fix sleep value 100 (should be 1000 for 1ms).
     use dev_err when timeout

 - Change from v5 to v6
   change to NOIRQ_SYSTEM_SLEEP_PM_OPS to remove #ifdef PM_CONFIG
   refine commit message
   change according to Manivannan's comments.
     remove reduncate step dw_pcie_set_dstate()
     return 0 when .pme_turn_off is zero
     call host_deinit() in suspend
     check .host_deinit and .host_init point before call.

 - Change from v4 to v5
   Closes: https://lore.kernel.org/oe-kbuild-all/202307211904.zExw4Q8H-lkp@intel.com/

 - Change from v3 to v4
   change according to Manivannan's comments.

 - change at v2 to v3
   Basic rewrite whole patch according rob herry suggestion.
   put common function into dwc, so more soc can share the same logic.

Frank Li (2):
  PCI: Add macro PCIE_PME_TO_L2_TIMEOUT_US
  PCI: dwc: Implement general suspend/resume functionality for L2/L3
    transitions

Hou Zhiqiang (1):
  PCI: layerscape: Add power management support for ls1028a

 drivers/pci/controller/dwc/pci-layerscape.c   | 129 ++++++++++++++++--
 .../pci/controller/dwc/pcie-designware-host.c |  75 ++++++++++
 drivers/pci/controller/dwc/pcie-designware.h  |  28 ++++
 drivers/pci/pci.h                             |   6 +
 4 files changed, 229 insertions(+), 9 deletions(-)

-- 
2.34.1