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| author | YueHaibing <yuehaibing@huawei.com> | 2018-04-26 06:49:29 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2018-05-03 15:31:07 +0200 |
| commit | f793b13ef0c9c11971334eb1c2544f81865b0d74 (patch) | |
| tree | 70f35f8475cb2e2db17f50afd2dd1e22fa5ef292 /drivers/iommu/io-pgtable-arm.c | |
| parent | Linux v4.17-rc3 (diff) | |
| download | linux-f793b13ef0c9c11971334eb1c2544f81865b0d74.tar.xz linux-f793b13ef0c9c11971334eb1c2544f81865b0d74.zip | |
iommu/io-pgtable-arm: Use for_each_set_bit to simplify code
We can use for_each_set_bit() to simplify code slightly in the
ARM io-pgtable self tests while unmapping.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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 39c2a056da21..4ffdd88b1566 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -1120,8 +1120,7 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) /* Full unmap */ 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->unmap(ops, iova, size) != size) @@ -1138,8 +1137,6 @@ 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); } free_io_pgtable_ops(ops); |