Jon Burgess wrote:
> Sorry for the delay. I wanted to track down the DMA sync bug before I
> came back to look at this again.
>
> I have added saa7146_vmalloc_destroy_pgtable() which frees the resources
Shouldn't it better be called saa7146_vfree_destroy_pgtable()?
^^^^^
> allocated by saa7146_vmalloc_build_pgtable() and updated the callers in
> budget-core.c and av711o.c. I have also been through the updated
> functions and updated the error paths to ensure they free all allocated
> resources on error.
>
> Also included in this patch are the previous fixes for pci_unmap_sg()
> and syncing the PCI streamed data to work with a SWIOTLB and match the
> requirements documented in DMA-API.txt.
Thanks, looks perfect.
@all:
Any comments?
Btw, why did DMA work without pci_dma_sync_sg_for_cpu()
on most machines?
CU
Oliver
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