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| author |   Bjorn Helgaas <bhelgaas@google.com> | 2020-01-29 16:59:58 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2020-01-29 16:59:58 -0600 |
| commit | f629ddc9cd3d88363f58ad3130165fcdff837779 (patch) | |
| tree | a2547e64bd1572d162cefc5bcd00edf646bf610f /drivers/pci | |
| parent | Merge branch 'pci/p2pdma' (diff) | |
| parent | PCI/PM: Print config space of devices before suspend (diff) | |
| download | linux-dev-f629ddc9cd3d88363f58ad3130165fcdff837779.tar.xz linux-dev-f629ddc9cd3d88363f58ad3130165fcdff837779.zip | |
Merge branch 'pci/pm'
- Print config space before suspend for debugging (Chen Yu)
* pci/pm:
PCI/PM: Print config space of devices before suspend
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e87196cc1a7f..34cde70440c3 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1372,8 +1372,11 @@ int pci_save_state(struct pci_dev *dev) { int i; /* XXX: 100% dword access ok here? */ - for (i = 0; i < 16; i++) + for (i = 0; i < 16; i++) { pci_read_config_dword(dev, i * 4, &dev->saved_config_space[i]); + pci_dbg(dev, "saving config space at offset %#x (reading %#x)\n", + i * 4, dev->saved_config_space[i]); + } dev->state_saved = true; i = pci_save_pcie_state(dev); |