On Fri, Jun 01, 2018 at 02:47:28PM -0400, Sinan Kaya wrote:
> Move early dump functionality into common code so that it is available for
> all archtiectures. 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.
> +static void early_dump_pci_device(struct pci_dev *pdev)
> +{
> + u32 value[256 / 4];
> + int i;
> +
> + if (!pci_early_dump)
> + return;
> +
> + pci_info(pdev, "pci 0000:%02x:%02x.%d config space:\n",
> + pdev->bus->number, PCI_SLOT(pdev->devfn),
> + PCI_FUNC(pdev->devfn));
I'm still missing something -- why go to the trouble of pdev->bus->number,
PCI_SLOT(), etc? Isn't the output going to look like this?
pci 0000:00:00.0: pci 0000:00:00.0 config space:
In other words, wouldn't the following be enough?
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);
> +}
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