pci-v6.12-fixes-2
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commit
05b92660cd
@ -1067,8 +1067,15 @@ static void pci_std_enable_acs(struct pci_dev *dev, struct pci_acs *caps)
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static void pci_enable_acs(struct pci_dev *dev)
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{
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struct pci_acs caps;
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bool enable_acs = false;
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int pos;
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/* If an iommu is present we start with kernel default caps */
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if (pci_acs_enable) {
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if (pci_dev_specific_enable_acs(dev))
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enable_acs = true;
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}
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pos = dev->acs_cap;
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if (!pos)
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return;
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@ -1077,11 +1084,8 @@ static void pci_enable_acs(struct pci_dev *dev)
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pci_read_config_word(dev, pos + PCI_ACS_CTRL, &caps.ctrl);
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caps.fw_ctrl = caps.ctrl;
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/* If an iommu is present we start with kernel default caps */
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if (pci_acs_enable) {
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if (pci_dev_specific_enable_acs(dev))
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if (enable_acs)
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pci_std_enable_acs(dev, &caps);
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}
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/*
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* Always apply caps from the command line, even if there is no iommu.
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