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| author |   Claire Chang <tientzu@chromium.org> | 2021-06-19 11:40:36 +0800 |
|---|---|---|
| committer |   Konrad Rzeszutek Wilk <konrad@kernel.org> | 2021-07-13 20:04:41 -0400 |
| commit | 6f2beb268a5d35504a636c4a3b7aaa76ec32d96c (patch) | |
| tree | aff684fdf7ca87ab1c74c84aa0c0b0c7a6d59f19 /kernel/dma | |
| parent | swiotlb: Update is_swiotlb_buffer to add a struct device argument (diff) | |
| download | linux-dev-6f2beb268a5d35504a636c4a3b7aaa76ec32d96c.tar.xz linux-dev-6f2beb268a5d35504a636c4a3b7aaa76ec32d96c.zip | |
swiotlb: Update is_swiotlb_active to add a struct device argument
Update is_swiotlb_active to add a struct device argument. This will be
useful later to allow for different pools.
Signed-off-by: Claire Chang <tientzu@chromium.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Stefano Stabellini <sstabellini@kernel.org>
Tested-by: Will Deacon <will@kernel.org>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'kernel/dma')
| -rw-r--r-- | kernel/dma/direct.c | 2 | ||||
| -rw-r--r-- | kernel/dma/swiotlb.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c index 84c9feb5474a..7a88c34d0867 100644 --- a/kernel/dma/direct.c +++ b/kernel/dma/direct.c @@ -495,7 +495,7 @@ int dma_direct_supported(struct device *dev, u64 mask) size_t dma_direct_max_mapping_size(struct device *dev) { /* If SWIOTLB is active, use its maximum mapping size */ - if (is_swiotlb_active() && + if (is_swiotlb_active(dev) && (dma_addressing_limited(dev) || swiotlb_force == SWIOTLB_FORCE)) return swiotlb_max_mapping_size(dev); return SIZE_MAX; diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index 33d413beddd4..d8677d6637dd 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -662,9 +662,9 @@ size_t swiotlb_max_mapping_size(struct device *dev) return ((size_t)IO_TLB_SIZE) * IO_TLB_SEGSIZE; } -bool is_swiotlb_active(void) +bool is_swiotlb_active(struct device *dev) { - return io_tlb_default_mem != NULL; + return dev->dma_io_tlb_mem != NULL; } EXPORT_SYMBOL_GPL(is_swiotlb_active); |