diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-11-09 12:06:03 +0100 |
|---|---|---|
| committer | Hiroshi DOYU <hdoyu@nvidia.com> | 2012-01-23 11:11:39 +0200 |
| commit | a6e9db8acd90b1ccf4a4c67399614bc2fd904145 (patch) | |
| tree | 220fe9ee456941447b6f919c93100d1ed2a8706b /drivers/iommu/amd_iommu_init.c | |
| parent | 155dda5611004d31d765e4e396c8b5c29dddd52c (diff) | |
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; } |