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| author | Bjorn Helgaas <bhelgaas@google.com> | 2016-03-01 18:32:29 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-03-08 19:14:31 +0100 |
| commit | 63e22924f5dc08badf9870c4a52ef4e7f7cbf218 (patch) | |
| tree | f579dab1633fb9c2fa3633df78995773098ecd8a /arch | |
| parent | x86/PCI: Mark Broadwell-EP Home Agent & PCU as having non-compliant BARs (diff) | |
| download | linux-63e22924f5dc08badf9870c4a52ef4e7f7cbf218.tar.xz linux-63e22924f5dc08badf9870c4a52ef4e7f7cbf218.zip | |
PCI: Mark shadow copy of VGA ROM as IORESOURCE_PCI_FIXED
A shadow copy of an option ROM is placed by the BIOS as a fixed address.
Set IORESOURCE_PCI_FIXED to indicate that we can't move the shadow copy.
This prevents warnings like the following when we assign resources:
BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
This warning is emitted by pdev_sort_resources(), which already ignores
IORESOURCE_PCI_FIXED resources.
Link: http://lkml.kernel.org/r/CA+55aFyVMfTBB0oz_yx8+eQOEJnzGtCsYSj9QuhEpdZ9BHdq5A@mail.gmail.com
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/ia64/pci/fixup.c | 3 | ||||
| -rw-r--r-- | arch/x86/pci/fixup.c | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c index fc505d58f078..fd9ceff2b5a5 100644 --- a/arch/ia64/pci/fixup.c +++ b/arch/ia64/pci/fixup.c @@ -61,7 +61,8 @@ static void pci_fixup_video(struct pci_dev *pdev) if (!vga_default_device() || pdev == vga_default_device()) { pci_read_config_word(pdev, PCI_COMMAND, &config); if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) { - pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW; + pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW | + IORESOURCE_PCI_FIXED; dev_printk(KERN_DEBUG, &pdev->dev, "Video device with shadowed ROM\n"); } } diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c index 0ae7e9fa348d..dac027c1adb1 100644 --- a/arch/x86/pci/fixup.c +++ b/arch/x86/pci/fixup.c @@ -336,7 +336,8 @@ static void pci_fixup_video(struct pci_dev *pdev) if (!vga_default_device() || pdev == vga_default_device()) { pci_read_config_word(pdev, PCI_COMMAND, &config); if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) { - pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW; + pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW | + IORESOURCE_PCI_FIXED; dev_printk(KERN_DEBUG, &pdev->dev, "Video device with shadowed ROM\n"); } } |