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| author |   Claire Chang <tientzu@chromium.org> | 2021-06-19 11:40:34 +0800 |
|---|---|---|
| committer |   Konrad Rzeszutek Wilk <konrad@kernel.org> | 2021-07-13 20:04:37 -0400 |
| commit | 69031f500865ee3eee19566a1b9c40a189817eaa (patch) | |
| tree | c14936547a4f2e44f4b9ee89b415766a7975b364 /include/linux/device.h | |
| parent | swiotlb: Refactor swiotlb_create_debugfs (diff) | |
| download | linux-dev-69031f500865ee3eee19566a1b9c40a189817eaa.tar.xz linux-dev-69031f500865ee3eee19566a1b9c40a189817eaa.zip | |
swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Always have the pointer to the swiotlb pool used in struct device. This
could help simplify the code for other 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 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 59940f1744c1..2a22875238a6 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -423,6 +423,7 @@ struct dev_links_info { * @dma_pools: Dma pools (if dma'ble device). * @dma_mem: Internal for coherent mem override. * @cma_area: Contiguous memory area for dma allocations + * @dma_io_tlb_mem: Pointer to the swiotlb pool used. Not for driver use. * @archdata: For arch-specific additions. * @of_node: Associated device tree node. * @fwnode: Associated device node supplied by platform firmware. @@ -532,6 +533,9 @@ struct device { struct cma *cma_area; /* contiguous memory area for dma allocations */ #endif +#ifdef CONFIG_SWIOTLB + struct io_tlb_mem *dma_io_tlb_mem; +#endif /* arch specific additions */ struct dev_archdata archdata; |