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authorLinux Build Service Account <lnxbuild@quicinc.com>2017-11-09 22:06:48 -0800
committerGerrit - the friendly Code Review server <code-review@localhost>2017-11-09 22:06:48 -0800
commitd8675c149da424158c1867bf6f9c7ece5cee53de (patch)
treec355c9340421475460b0ab49f12f218e0ec2ce46
parent10dc161b22a6bcd1d8f0dcceff7a6917fe305167 (diff)
parent4f3f403a2e89b16cc06882cac71d8d5c0a310441 (diff)
Merge "msm: pcie: always recover cfg space during resume"
-rw-r--r--drivers/pci/host/pci-msm.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/pci/host/pci-msm.c b/drivers/pci/host/pci-msm.c
index a741c9c7d115..0ecf64f4afe9 100644
--- a/drivers/pci/host/pci-msm.c
+++ b/drivers/pci/host/pci-msm.c
@@ -6865,17 +6865,24 @@ static int msm_pcie_pm_resume(struct pci_dev *dev,
dev->bus->number, dev->bus->primary);
if (!(options & MSM_PCIE_CONFIG_NO_CFG_RESTORE)) {
- PCIE_DBG(pcie_dev,
- "RC%d: entry of PCI framework restore state\n",
- pcie_dev->rc_idx);
+ if (pcie_dev->saved_state) {
+ PCIE_DBG(pcie_dev,
+ "RC%d: entry of PCI framework restore state\n",
+ pcie_dev->rc_idx);
- pci_load_and_free_saved_state(dev,
- &pcie_dev->saved_state);
- pci_restore_state(dev);
+ pci_load_and_free_saved_state(dev,
+ &pcie_dev->saved_state);
+ pci_restore_state(dev);
- PCIE_DBG(pcie_dev,
- "RC%d: exit of PCI framework restore state\n",
- pcie_dev->rc_idx);
+ PCIE_DBG(pcie_dev,
+ "RC%d: exit of PCI framework restore state\n",
+ pcie_dev->rc_idx);
+ } else {
+ PCIE_DBG(pcie_dev,
+ "RC%d: restore rc config space using shadow recovery\n",
+ pcie_dev->rc_idx);
+ msm_pcie_cfg_recover(pcie_dev, true);
+ }
}
}