[ Upstream commit f18b1137d38c091cc8c16365219f0a1d4a30b3d1 ] Introduce quirk_no_ats() helper function to provide a standard way to disable ATS capability in PCI quirks. Suggested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20230908143606.685930-2-bartosz.pawlowski@xxxxxxxxx Signed-off-by: Bartosz Pawlowski <bartosz.pawlowski@xxxxxxxxx> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/pci/quirks.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 3a165710fbb8..20180894f82d 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5182,6 +5182,12 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0420, quirk_no_ext_tags); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0422, quirk_no_ext_tags); #ifdef CONFIG_PCI_ATS +static void quirk_no_ats(struct pci_dev *pdev) +{ + pci_info(pdev, "disabling ATS\n"); + pdev->ats_cap = 0; +} + /* * Some devices require additional driver setup to enable ATS. Don't use * ATS for those devices as ATS will be enabled before the driver has had a @@ -5194,8 +5200,7 @@ static void quirk_amd_harvest_no_ats(struct pci_dev *pdev) (pdev->device == 0x7341 && pdev->revision != 0x00)) return; - pci_info(pdev, "disabling ATS\n"); - pdev->ats_cap = 0; + quirk_no_ats(pdev); } /* AMD Stoney platform GPU */ -- 2.43.0
