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| author | Joerg Roedel <jroedel@suse.de> | 2015-10-20 17:33:45 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2015-10-21 11:30:33 +0200 |
| commit | 393c092a4d3ace7b8cef633ede2171104dd504d7 (patch) | |
| tree | 654bced802df9712c38a8add34d8e8d49e1718ae /drivers/iommu | |
| parent | 226e889b20a99c073615ff5f5b6ea0bbccf25c5f (diff) | |
| download | lwn-393c092a4d3ace7b8cef633ede2171104dd504d7.tar.gz lwn-393c092a4d3ace7b8cef633ede2171104dd504d7.zip | |
iommu/amd: Remove find_last_devid_on_pci()
The value read from the PCI header is not reliable, so
remove this code.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu_init.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 71734f7bc248..dd92a8d8f0ca 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) { |