Hi Greg,
> -Original Message-
> On Fri, Sep 25, 2020 at 03:26:28PM +0800, Sherry Sun wrote:
> > For noncoherent platform, the device page and vring should allocated
> > by dma_alloc_coherent, when user space wants to get its physical
> > address, virt_to_phys cannot be used, should simply
On Fri, Sep 25, 2020 at 03:26:28PM +0800, Sherry Sun wrote:
> For noncoherent platform, the device page and vring should allocated by
> dma_alloc_coherent, when user space wants to get its physical address,
> virt_to_phys cannot be used, should simply return the saved device page
> dma address by
For noncoherent platform, the device page and vring should allocated by
dma_alloc_coherent, when user space wants to get its physical address,
virt_to_phys cannot be used, should simply return the saved device page
dma address by get_dp_dma callback and the vring dma address saved
in mic_vqconfig.
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