From: Shuah Khan <shuah.khan-VXdhtT5mjnY@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>,
bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org
Cc: jiang.liu-hv44wF8Li93QT0dZR+AlfA@public.gmane.org,
linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
wangyijing-hv44wF8Li93QT0dZR+AlfA@public.gmane.org,
davej-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
shemminger-ZtmgI6mnKB3QT0dZR+AlfA@public.gmane.org,
paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org,
linasvepstas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
shuahkhan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: [PATCH v2 4/4] iommu/amd: Remove calc_devid() and use PCI_DEVID() from pci
Date: Wed, 27 Feb 2013 17:07:30 -0700 [thread overview]
Message-ID: <1362010050.2808.37.camel@lorien2> (raw)
Change to remove calc_devid() and use PCI_DEVID() from pci instead.
Signed-off-by: Shuah Khan <shuah.khan-VXdhtT5mjnY@public.gmane.org>
---
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 c1c74e0..38c1392 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 faf10ba..582b5df 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 a07882f..ec36cf6 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;
--
1.7.9.5
reply other threads:[~2013-02-28 0:07 UTC|newest]
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