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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-09-29 16:28:52 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-09-29 16:28:52 -0700 |
| commit | 8f697e574012cc73b6b0dcbf30d88a3a0f43b78f (patch) | |
| tree | a6b16bcf33ad08e03837b61eed2fffb31118f1f3 /lib/iommu-common.c | |
| parent | Input: walkera0701 - use parallel port device model (diff) | |
| parent | Linux 4.3-rc3 (diff) | |
| download | wireguard-linux-8f697e574012cc73b6b0dcbf30d88a3a0f43b78f.tar.xz wireguard-linux-8f697e574012cc73b6b0dcbf30d88a3a0f43b78f.zip | |
Merge tag 'v4.3-rc3' into next
Merge with Linux 4.3-rc3 to bring in MFD DA9062 changes to merge DA9062
OnKey driver.
Diffstat (limited to 'lib/iommu-common.c')
| -rw-r--r-- | lib/iommu-common.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/iommu-common.c b/lib/iommu-common.c index df30632f0bef..b1c93e94ca7a 100644 --- a/lib/iommu-common.c +++ b/lib/iommu-common.c @@ -21,8 +21,7 @@ static DEFINE_PER_CPU(unsigned int, iommu_hash_common); static inline bool need_flush(struct iommu_map_table *iommu) { - return (iommu->lazy_flush != NULL && - (iommu->flags & IOMMU_NEED_FLUSH) != 0); + return ((iommu->flags & IOMMU_NEED_FLUSH) != 0); } static inline void set_flush(struct iommu_map_table *iommu) @@ -119,7 +118,7 @@ unsigned long iommu_tbl_range_alloc(struct device *dev, unsigned long align_mask = 0; if (align_order > 0) - align_mask = 0xffffffffffffffffl >> (64 - align_order); + align_mask = ~0ul >> (BITS_PER_LONG - align_order); /* Sanity check */ if (unlikely(npages == 0)) { @@ -211,7 +210,8 @@ unsigned long iommu_tbl_range_alloc(struct device *dev, goto bail; } } - if (n < pool->hint || need_flush(iommu)) { + if (iommu->lazy_flush && + (n < pool->hint || need_flush(iommu))) { clear_flush(iommu); iommu->lazy_flush(iommu); } |