diff options
| author | Sinan Kaya <okaya@codeaurora.org> | 2018-06-05 05:16:09 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <helgaas@kernel.org> | 2018-06-30 04:06:07 +0300 |
| commit | 11eb0e0e8dea8b97cff972b09cf6fb033b729dff (patch) | |
| tree | 84ca9d5c2ae77c4bb21984c68469b75c37eb80ad /drivers/pci/probe.c | |
| parent | b1277a226d8c519b8c33e23fe68b4e1658f15963 (diff) | |
| download | linux-11eb0e0e8dea8b97cff972b09cf6fb033b729dff.tar.xz | |
PCI: Make early dump functionality generic
Move early dump functionality into common code so that it is available for
all architectures. No need to carry arch-specific reads around as the read
hooks are already initialized by the time pci_setup_device() is getting
called during scan.
Tested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
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 ac876e32de4b..84034a685f83 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1549,6 +1549,20 @@ 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 @@ -1598,6 +1612,9 @@ 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); |