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| author |   Joerg Roedel <joerg.roedel@amd.com> | 2011-11-09 12:06:03 +0100 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2011-12-12 14:54:23 +0100 |
| commit | ee6c28684585a64fd79c5a56e849af58ebdc5948 (patch) | |
| tree | c58aea90ae017d89a53833097b0ecd95a072c8ec /drivers/iommu/amd_iommu_init.c | |
| parent | Linux 3.2-rc5 (diff) | |
| download | linux-dev-ee6c28684585a64fd79c5a56e849af58ebdc5948.tar.xz linux-dev-ee6c28684585a64fd79c5a56e849af58ebdc5948.zip | |
iommu/amd: Convert dev_table_entry to u64
Convert the contents of 'struct dev_table_entry' to u64 to
allow updating the DTE wit 64bit writes as required by the
spec.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/amd_iommu_init.c')
| -rw-r--r-- | drivers/iommu/amd_iommu_init.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 82d2410f4205..17e0f77c7dad 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -584,18 +584,18 @@ static void __init free_event_buffer(struct amd_iommu *iommu) /* sets a specific bit in the device table entry. */ static void set_dev_entry_bit(u16 devid, u8 bit) { - int i = (bit >> 5) & 0x07; - int _bit = bit & 0x1f; + int i = (bit >> 6) & 0x03; + int _bit = bit & 0x3f; - amd_iommu_dev_table[devid].data[i] |= (1 << _bit); + amd_iommu_dev_table[devid].data[i] |= (1UL << _bit); } static int get_dev_entry_bit(u16 devid, u8 bit) { - int i = (bit >> 5) & 0x07; - int _bit = bit & 0x1f; + int i = (bit >> 6) & 0x03; + int _bit = bit & 0x3f; - return (amd_iommu_dev_table[devid].data[i] & (1 << _bit)) >> _bit; + return (amd_iommu_dev_table[devid].data[i] & (1UL << _bit)) >> _bit; } |