From: Joerg Roedel <[email protected]> The value read from the PCI header is not reliable, so remove this code.
Signed-off-by: Joerg Roedel <[email protected]> --- drivers/iommu/amd_iommu_init.c | 19 ------------------- 1 file changed, 19 deletions(-) diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index e3afa37..65674104 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -408,20 +408,6 @@ static inline int ivhd_entry_length(u8 *ivhd) } /* - * This function reads the last device id the IOMMU has to handle from the PCI - * capability header for this IOMMU - */ -static int __init find_last_devid_on_pci(int bus, int dev, int fn, int cap_ptr) -{ - u32 cap; - - cap = read_pci_config(bus, dev, fn, cap_ptr+MMIO_RANGE_OFFSET); - update_last_devid(PCI_DEVID(MMIO_GET_BUS(cap), MMIO_GET_LD(cap))); - - return 0; -} - -/* * After reading the highest device id from the IOMMU PCI capability header * this function looks if there is a higher device id defined in the ACPI table */ @@ -433,11 +419,6 @@ static int __init find_last_devid_from_ivhd(struct ivhd_header *h) p += sizeof(*h); end += h->length; - find_last_devid_on_pci(PCI_BUS_NUM(h->devid), - PCI_SLOT(h->devid), - PCI_FUNC(h->devid), - h->cap_ptr); - while (p < end) { dev = (struct ivhd_entry *)p; switch (dev->type) { -- 1.9.1 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
