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authorVivek Gautam <vivek.gautam@codeaurora.org>2018-02-05 23:29:19 +0530
committerJoerg Roedel <jroedel@suse.de>2018-02-13 19:31:32 +0100
commit193e67c00e33e188d68815fb78806317c77f156c (patch)
tree301e6e910e0dfce7ef35aae37ed36638d70dcf47 /drivers/iommu/io-pgtable-arm.c
parentc5611a8751e67595e4e7d3feaff3c900b92094b9 (diff)
iommu/io-pgtable: Use size_t return type for all foo_unmap
Unmap returns a size_t all throughout the IOMMU framework. Make io-pgtable match this convention. Moreover, there isn't a need to have a signed int return type as we return 0 in case of failures. Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org> Acked-by: Robin Murphy <robin.murphy@arm.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.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index 51e5c43caed1..8faaaa04d7a7 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -268,9 +268,9 @@ static void __arm_lpae_set_pte(arm_lpae_iopte *ptep, arm_lpae_iopte pte,
__arm_lpae_sync_pte(ptep, cfg);
}
-static int __arm_lpae_unmap(struct arm_lpae_io_pgtable *data,
- unsigned long iova, size_t size, int lvl,
- arm_lpae_iopte *ptep);
+static size_t __arm_lpae_unmap(struct arm_lpae_io_pgtable *data,
+ unsigned long iova, size_t size, int lvl,
+ arm_lpae_iopte *ptep);
static void __arm_lpae_init_pte(struct arm_lpae_io_pgtable *data,
phys_addr_t paddr, arm_lpae_iopte prot,
@@ -506,10 +506,10 @@ static void arm_lpae_free_pgtable(struct io_pgtable *iop)
kfree(data);
}
-static int arm_lpae_split_blk_unmap(struct arm_lpae_io_pgtable *data,
- unsigned long iova, size_t size,
- arm_lpae_iopte blk_pte, int lvl,
- arm_lpae_iopte *ptep)
+static size_t arm_lpae_split_blk_unmap(struct arm_lpae_io_pgtable *data,
+ unsigned long iova, size_t size,
+ arm_lpae_iopte blk_pte, int lvl,
+ arm_lpae_iopte *ptep)
{
struct io_pgtable_cfg *cfg = &data->iop.cfg;
arm_lpae_iopte pte, *tablep;
@@ -560,9 +560,9 @@ static int arm_lpae_split_blk_unmap(struct arm_lpae_io_pgtable *data,
return size;
}
-static int __arm_lpae_unmap(struct arm_lpae_io_pgtable *data,
- unsigned long iova, size_t size, int lvl,
- arm_lpae_iopte *ptep)
+static size_t __arm_lpae_unmap(struct arm_lpae_io_pgtable *data,
+ unsigned long iova, size_t size, int lvl,
+ arm_lpae_iopte *ptep)
{
arm_lpae_iopte pte;
struct io_pgtable *iop = &data->iop;
@@ -606,8 +606,8 @@ static int __arm_lpae_unmap(struct arm_lpae_io_pgtable *data,
return __arm_lpae_unmap(data, iova, size, lvl + 1, ptep);
}
-static int arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova,
- size_t size)
+static size_t arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova,
+ size_t size)
{
struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops);
arm_lpae_iopte *ptep = data->pgd;