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| author | Hillf Danton <hdanton@sina.com> | 2020-08-23 07:32:42 +0800 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2020-09-22 18:49:51 +0300 |
| commit | 0db575350cb1a2fa724f0198fd40b2c91ace5cb7 (patch) | |
| tree | 0906990471642370183c101178c9818076c3b2b3 /drivers/misc/habanalabs/gaudi | |
| parent | c5e0ec66f01d6621a64837428efcbbe731d90cd5 (diff) | |
| download | linux-0db575350cb1a2fa724f0198fd40b2c91ace5cb7.tar.bz2 | |
habanalabs: make use of dma_mmap_coherent
Add dma_mmap_coherent() for goya and gaudi to match their use of
dma_alloc_coherent(), see the Link tag for why.
Link: https://lore.kernel.org/lkml/20200609091727.GA23814@lst.de/
Cc: Christoph Hellwig <hch@lst.de>
Cc: Zhang Li <li.zhang@bitmain.com>
Cc: Ding Z Nan <oshack@hotmail.com>
Signed-off-by: Hillf Danton <hdanton@sina.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/misc/habanalabs/gaudi')
| -rw-r--r-- | drivers/misc/habanalabs/gaudi/gaudi.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 084019788e11..bc7e7e3ba3a8 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -3091,17 +3091,16 @@ static int gaudi_resume(struct hl_device *hdev) } static int gaudi_cb_mmap(struct hl_device *hdev, struct vm_area_struct *vma, - u64 kaddress, phys_addr_t paddress, u32 size) + void *cpu_addr, dma_addr_t dma_addr, size_t size) { int rc; vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | VM_DONTCOPY | VM_NORESERVE; - rc = remap_pfn_range(vma, vma->vm_start, paddress >> PAGE_SHIFT, - size, vma->vm_page_prot); + rc = dma_mmap_coherent(hdev->dev, vma, cpu_addr, dma_addr, size); if (rc) - dev_err(hdev->dev, "remap_pfn_range error %d", rc); + dev_err(hdev->dev, "dma_mmap_coherent error %d", rc); return rc; } |