PCI: Extract ATS disabling to a helper function
commit f18b1137d38c091cc8c16365219f0a1d4a30b3d1 upstream. Introduce quirk_no_ats() helper function to provide a standard way to disable ATS capability in PCI quirks. Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20230908143606.685930-2-bartosz.pawlowski@intel.com Signed-off-by: Bartosz Pawlowski <bartosz.pawlowski@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -5389,6 +5389,12 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0420, quirk_no_ext_tags);
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0422, quirk_no_ext_tags);
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0422, quirk_no_ext_tags);
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#ifdef CONFIG_PCI_ATS
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#ifdef CONFIG_PCI_ATS
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static void quirk_no_ats(struct pci_dev *pdev)
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{
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pci_info(pdev, "disabling ATS\n");
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pdev->ats_cap = 0;
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}
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/*
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/*
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* Some devices require additional driver setup to enable ATS. Don't use
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* Some devices require additional driver setup to enable ATS. Don't use
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* ATS for those devices as ATS will be enabled before the driver has had a
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* ATS for those devices as ATS will be enabled before the driver has had a
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@ -5401,8 +5407,7 @@ static void quirk_amd_harvest_no_ats(struct pci_dev *pdev)
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(pdev->device == 0x7341 && pdev->revision != 0x00))
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(pdev->device == 0x7341 && pdev->revision != 0x00))
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return;
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return;
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pci_info(pdev, "disabling ATS\n");
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quirk_no_ats(pdev);
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pdev->ats_cap = 0;
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}
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}
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/* AMD Stoney platform GPU */
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/* AMD Stoney platform GPU */
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