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| author |   Kefeng Wang <wangkefeng.wang@huawei.com> | 2016-09-21 13:41:31 +0800 |
|---|---|---|
| committer |   Will Deacon <will.deacon@arm.com> | 2016-11-29 15:57:40 +0000 |
| commit | 4ae8a5c528c0b1ed20f0a06bed15e2fddf3f3838 (patch) | |
| tree | 4f1c3df2a5567793ba65ace0725f2284e4911bfe /drivers/iommu/io-pgtable-arm.c | |
| parent | Linux 4.9-rc5 (diff) | |
| download | linux-dev-4ae8a5c528c0b1ed20f0a06bed15e2fddf3f3838.tar.xz linux-dev-4ae8a5c528c0b1ed20f0a06bed15e2fddf3f3838.zip | |
iommu/io-pgtable-arm: Use for_each_set_bit to simplify the code
We can use for_each_set_bit() to simplify the code slightly in the
ARM io-pgtable self tests.
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/iommu/io-pgtable-arm.c')
| -rw-r--r-- | drivers/iommu/io-pgtable-arm.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index f5c90e1366ce..8c3dfb7497c1 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -980,8 +980,7 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) * Distinct mappings of different granule sizes. */ iova = 0; - j = find_first_bit(&cfg->pgsize_bitmap, BITS_PER_LONG); - while (j != BITS_PER_LONG) { + for_each_set_bit(j, &cfg->pgsize_bitmap, BITS_PER_LONG) { size = 1UL << j; if (ops->map(ops, iova, iova, size, IOMMU_READ | @@ -999,8 +998,6 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) return __FAIL(ops, i); iova += SZ_1G; - j++; - j = find_next_bit(&cfg->pgsize_bitmap, BITS_PER_LONG, j); } /* Partial unmap */ |