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iommu/io-pgtable: Remove flush_pgtable callback 

With the users fully converted to DMA API operations, it's dead, Jim.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Robin Murphy 2015-07-29 19:46:12 +01:00 committed by Will Deacon
parent 857c88ca62
commit f5b831907d
2 changed files with 0 additions and 8 deletions
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6
drivers/iommu/io-pgtable-arm.c
View File

@ -884,16 +884,10 @@ static void dummy_tlb_sync(void *cookie)
WARN_ON(cookie != cfg_cookie); WARN_ON(cookie != cfg_cookie);
} }
static void dummy_flush_pgtable(void *ptr, size_t size, void *cookie)
{
WARN_ON(cookie != cfg_cookie);
}
static struct iommu_gather_ops dummy_tlb_ops __initdata = { static struct iommu_gather_ops dummy_tlb_ops __initdata = {
.tlb_flush_all = dummy_tlb_flush_all, .tlb_flush_all = dummy_tlb_flush_all,
.tlb_add_flush = dummy_tlb_add_flush, .tlb_add_flush = dummy_tlb_add_flush,
.tlb_sync = dummy_tlb_sync, .tlb_sync = dummy_tlb_sync,
.flush_pgtable = dummy_flush_pgtable,
}; };
static void __init arm_lpae_dump_ops(struct io_pgtable_ops *ops) static void __init arm_lpae_dump_ops(struct io_pgtable_ops *ops)

2
drivers/iommu/io-pgtable.h
View File

@ -20,7 +20,6 @@ enum io_pgtable_fmt {
* @tlb_sync: Ensure any queued TLB invalidation has taken effect, and * @tlb_sync: Ensure any queued TLB invalidation has taken effect, and
* any corresponding page table updates are visible to the * any corresponding page table updates are visible to the
* IOMMU. * IOMMU.
* @flush_pgtable: Ensure page table updates are visible to the IOMMU.
* *
* Note that these can all be called in atomic context and must therefore * Note that these can all be called in atomic context and must therefore
* not block. * not block.
@ -30,7 +29,6 @@ struct iommu_gather_ops {
void (*tlb_add_flush)(unsigned long iova, size_t size, bool leaf, void (*tlb_add_flush)(unsigned long iova, size_t size, bool leaf,
void *cookie); void *cookie);
void (*tlb_sync)(void *cookie); void (*tlb_sync)(void *cookie);
void (*flush_pgtable)(void *ptr, size_t size, void *cookie);
}; };
/** /**