From f793b13ef0c9c11971334eb1c2544f81865b0d74 Mon Sep 17 00:00:00 2001 From: YueHaibing Date: Thu, 26 Apr 2018 12:49:29 +0800 Subject: 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 Signed-off-by: Joerg Roedel --- drivers/iommu/io-pgtable-arm.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers/iommu/io-pgtable-arm.c') 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); -- cgit v1.2.3