Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH v4 02/16] ACPI/IORT: Remove direct access of dev->iommu_fwspec | Date | Thu, 26 Mar 2020 16:08:27 +0100 |
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From: Joerg Roedel <jroedel@suse.de>
Use the accessor functions instead of directly dereferencing dev->iommu_fwspec.
Tested-by: Hanjun Guo <guohanjun@huawei.com> Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Signed-off-by: Joerg Roedel <jroedel@suse.de> --- drivers/acpi/arm64/iort.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index ed3d2d1a7ae9..7d04424189df 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -1015,6 +1015,7 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev) return ops; if (dev_is_pci(dev)) { + struct iommu_fwspec *fwspec; struct pci_bus *bus = to_pci_dev(dev)->bus; struct iort_pci_alias_info info = { .dev = dev }; @@ -1027,8 +1028,9 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev) err = pci_for_each_dma_alias(to_pci_dev(dev), iort_pci_iommu_init, &info); - if (!err && iort_pci_rc_supports_ats(node)) - dev->iommu_fwspec->flags |= IOMMU_FWSPEC_PCI_RC_ATS; + fwspec = dev_iommu_fwspec_get(dev); + if (fwspec && iort_pci_rc_supports_ats(node)) + fwspec->flags |= IOMMU_FWSPEC_PCI_RC_ATS; } else { int i = 0; -- 2.17.1
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