PCI: handle 64-bit resources better on 32-bit machines
If the kernel is configured to support 64-bit resources on a 32-bit machine, we can support 64-bit BARs properly. Just change the condition to check sizeof(resource_size_t) instead of BITS_PER_LONG. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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@ -270,10 +270,10 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
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if (!sz64)
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if (!sz64)
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goto fail;
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goto fail;
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if ((BITS_PER_LONG < 64) && (sz64 > 0x100000000ULL)) {
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if ((sizeof(resource_size_t) < 8) && (sz64 > 0x100000000ULL)) {
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dev_err(&dev->dev, "can't handle 64-bit BAR\n");
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dev_err(&dev->dev, "can't handle 64-bit BAR\n");
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goto fail;
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goto fail;
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} else if ((BITS_PER_LONG < 64) && l) {
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} else if ((sizeof(resource_size_t) < 8) && l) {
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/* Address above 32-bit boundary; disable the BAR */
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/* Address above 32-bit boundary; disable the BAR */
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pci_write_config_dword(dev, pos, 0);
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pci_write_config_dword(dev, pos, 0);
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pci_write_config_dword(dev, pos + 4, 0);
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pci_write_config_dword(dev, pos + 4, 0);
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