Re: [PATCH 2/2] misc: fastrpc: Update dma_mask for CDSP support on Kaanapali SoC

[Dmitry Baryshkov]

On Wed, Sep 24, 2025 at 04:46:37PM -0700, Jingyi Wang wrote:
> From: Kumari Pallavi <kumari.pallavi@xxxxxxxxxxxxxxxx>
> 
> DSP currently supports 32-bit IOVA (32-bit PA + 4-bit SID) for
> both Q6 and user DMA (uDMA) access. This is being upgraded to
> 34-bit PA + 4-bit SID due to a hardware revision in CDSP for
> Kaanapali SoC, which expands the DMA addressable range.
> Update DMA mask configuration in the driver to support CDSP on
> Kaanapali SoC. Set the default `dma_mask` to 32-bit and update
> it to 34-bit based on CDSP and SoC-specific compatible string.
> 
> Signed-off-by: Kumari Pallavi <kumari.pallavi@xxxxxxxxxxxxxxxx>
> Signed-off-by: Jingyi Wang <jingyi.wang@xxxxxxxxxxxxxxxx>
> ---
>  drivers/misc/fastrpc.c | 14 ++++++++++----
>  1 file changed, 10 insertions(+), 4 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>


-- 
With best wishes
Dmitry