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x86, AMD IOMMU: replace DEVID macro with a function

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This patch replaces the DEVID macro with a function and uses them where
apropriate (also in the core code).

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Joerg Roedel
2008-07-11 17:14:35 +02:00
committed by Ingo Molnar
parent 83f5aac18c
commit d591b0a3ae
3 changed files with 13 additions and 5 deletions
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9
arch/x86/kernel/amd_iommu_init.c
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@@ -30,7 +30,6 @@
/*
* definitions for the ACPI scanning code
*/
#define DEVID(bus, devfn) (((bus) << 8) | (devfn))
#define PCI_BUS(x) (((x) >> 8) & 0xff)
#define IVRS_HEADER_LENGTH 48
@@ -295,7 +294,7 @@ 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(DEVID(MMIO_GET_BUS(cap), MMIO_GET_LD(cap)));
update_last_devid(calc_devid(MMIO_GET_BUS(cap), MMIO_GET_LD(cap)));
return 0;
}
@@ -494,8 +493,10 @@ static void __init init_iommu_from_pci(struct amd_iommu *iommu)
iommu->cap = read_pci_config(bus, dev, fn, cap_ptr+MMIO_CAP_HDR_OFFSET);
range = read_pci_config(bus, dev, fn, cap_ptr+MMIO_RANGE_OFFSET);
iommu->first_device = DEVID(MMIO_GET_BUS(range), MMIO_GET_FD(range));
iommu->last_device = DEVID(MMIO_GET_BUS(range), MMIO_GET_LD(range));
iommu->first_device = calc_devid(MMIO_GET_BUS(range),
MMIO_GET_FD(range));
iommu->last_device = calc_devid(MMIO_GET_BUS(range),
MMIO_GET_LD(range));
}
/*