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-v7s.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers/iommu/io-pgtable-arm-v7s.c') diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index 10e4a3d11c02..50e3a9fcf43e 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -898,8 +898,7 @@ static int __init arm_v7s_do_selftests(void) /* Full unmap */ iova = 0; - i = find_first_bit(&cfg.pgsize_bitmap, BITS_PER_LONG); - while (i != BITS_PER_LONG) { + for_each_set_bit(i, &cfg.pgsize_bitmap, BITS_PER_LONG) { size = 1UL << i; if (ops->unmap(ops, iova, size) != size) @@ -916,8 +915,6 @@ static int __init arm_v7s_do_selftests(void) return __FAIL(ops); iova += SZ_16M; - i++; - i = find_next_bit(&cfg.pgsize_bitmap, BITS_PER_LONG, i); } free_io_pgtable_ops(ops); -- cgit v1.2.3