From 6f2729bab2cc386bb603698646dacd9ab6297ba0 Mon Sep 17 00:00:00 2001 From: Shuah Khan Date: Wed, 27 Feb 2013 17:07:30 -0700 Subject: [PATCH] iommu/amd: Remove calc_devid() and use PCI_DEVID() from PCI Change to remove calc_devid() and use PCI_DEVID() from PCI instead. Signed-off-by: Shuah Khan Signed-off-by: Bjorn Helgaas Acked-by: Joerg Roedel --- drivers/iommu/amd_iommu.c | 2 +- drivers/iommu/amd_iommu_init.c | 6 +++--- drivers/iommu/amd_iommu_types.h | 7 ------- 3 files changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 2a50fbe31c7b..e046d7acca84 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -173,7 +173,7 @@ static inline u16 get_device_id(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); - return calc_devid(pdev->bus->number, pdev->devfn); + return PCI_DEVID(pdev->bus->number, pdev->devfn); } static struct iommu_dev_data *get_dev_data(struct device *dev) diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index f8ed6f143d9d..551768af3fe7 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -406,7 +406,7 @@ 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(calc_devid(MMIO_GET_BUS(cap), MMIO_GET_LD(cap))); + update_last_devid(PCI_DEVID(MMIO_GET_BUS(cap), MMIO_GET_LD(cap))); return 0; } @@ -1128,9 +1128,9 @@ static int iommu_init_pci(struct amd_iommu *iommu) pci_read_config_dword(iommu->dev, cap_ptr + MMIO_MISC_OFFSET, &misc); - iommu->first_device = calc_devid(MMIO_GET_BUS(range), + iommu->first_device = PCI_DEVID(MMIO_GET_BUS(range), MMIO_GET_FD(range)); - iommu->last_device = calc_devid(MMIO_GET_BUS(range), + iommu->last_device = PCI_DEVID(MMIO_GET_BUS(range), MMIO_GET_LD(range)); if (!(iommu->cap & (1 << IOMMU_CAP_IOTLB))) diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index a07882f60b32..ec36cf63e0ca 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -701,13 +701,6 @@ extern int amd_iommu_max_glx_val; */ extern void iommu_flush_all_caches(struct amd_iommu *iommu); -/* takes bus and device/function and returns the device id - * FIXME: should that be in generic PCI code? */ -static inline u16 calc_devid(u8 bus, u8 devfn) -{ - return (((u16)bus) << 8) | devfn; -} - static inline int get_ioapic_devid(int id) { struct devid_map *entry; -- 2.39.5