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| author | Bjorn Helgaas <bhelgaas@google.com> | 2018-08-15 14:59:01 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2018-08-15 14:59:01 -0500 |
| commit | 5fc054a54476f9e2b3d6cc3eeb1537aa549d0ba3 (patch) | |
| tree | 6a0592aa4088435230163ada694c68b839674d60 /drivers/pci/probe.c | |
| parent | c689209be23166b340c224df8ecd5deea163da56 (diff) | |
| parent | 783e84961b1d7a75045383586b8c49e02b7704cd (diff) | |
| download | lwn-5fc054a54476f9e2b3d6cc3eeb1537aa549d0ba3.tar.gz lwn-5fc054a54476f9e2b3d6cc3eeb1537aa549d0ba3.zip | |
Merge branch 'pci/resource'
- Clean up devm_of_pci_get_host_bridge_resources() resource allocation
(Jan Kiszka)
- Fixup resizable BARs after suspend/resume (Christian König)
- Make "pci=earlydump" generic (Sinan Kaya)
- Fix ROM BAR access routines to stay in bounds and check for signature
correctly (Rex Zhu)
* pci/resource:
PCI: Make pci_get_rom_size() static
PCI: Add check code for last image indicator not set
PCI: Avoid accessing memory outside the ROM BAR
PCI: Make early dump functionality generic
PCI: Cleanup PCI_REBAR_CTRL_BAR_SHIFT handling
PCI: Restore resized BAR state on resume
PCI: Clean up resource allocation in devm_of_pci_get_host_bridge_resources()
# Conflicts:
# Documentation/admin-guide/kernel-parameters.txt
Diffstat (limited to 'drivers/pci/probe.c')
| -rw-r--r-- | drivers/pci/probe.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index f3d2fcc05cda..8fa78f0ae4d9 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1548,6 +1548,20 @@ static int pci_intx_mask_broken(struct pci_dev *dev) return 0; } +static void early_dump_pci_device(struct pci_dev *pdev) +{ + u32 value[256 / 4]; + int i; + + pci_info(pdev, "config space:\n"); + + for (i = 0; i < 256; i += 4) + pci_read_config_dword(pdev, i, &value[i / 4]); + + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, + value, 256, false); +} + /** * pci_setup_device - Fill in class and map information of a device * @dev: the device structure to fill @@ -1597,6 +1611,9 @@ int pci_setup_device(struct pci_dev *dev) pci_printk(KERN_DEBUG, dev, "[%04x:%04x] type %02x class %#08x\n", dev->vendor, dev->device, dev->hdr_type, dev->class); + if (pci_early_dump) + early_dump_pci_device(dev); + /* Need to have dev->class ready */ dev->cfg_size = pci_cfg_space_size(dev); |