It will be more readable then the old setting.
Signed-off-by: Baoquan He <[email protected]>
---
drivers/iommu/amd_iommu.c | 2 +-
drivers/iommu/amd_iommu_init.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 539b0de..dd869fe 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1946,7 +1946,7 @@ static struct dma_ops_domain *dma_ops_domain_alloc(void)
* mark the first page as allocated so we never return 0 as
* a valid dma-address. So we can use 0 as error value
*/
- dma_dom->aperture[0]->bitmap[0] = 1;
+ __set_bit(0, dma_dom->aperture[0]->bitmap);
for_each_possible_cpu(cpu)
*per_cpu_ptr(dma_dom->next_index, cpu) = 0;
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 013bdff..fd99f910 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -20,6 +20,7 @@
#include <linux/pci.h>
#include <linux/acpi.h>
#include <linux/list.h>
+#include <linux/bitmap.h>
#include <linux/slab.h>
#include <linux/syscore_ops.h>
#include <linux/interrupt.h>
@@ -1875,8 +1876,7 @@ static int __init early_amd_iommu_init(void)
* never allocate domain 0 because its used as the non-allocated and
* error value placeholder
*/
- amd_iommu_pd_alloc_bitmap[0] = 1;
-
+ __set_bit(0, amd_iommu_pd_alloc_bitmap);
spin_lock_init(&amd_iommu_pd_lock);
/*
--
2.1.0
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