On Thu, Dec 11, 2025 at 03:39:33PM +0530, Kumari Pallavi wrote: > 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 bits configuration in the driver to support CDSP on > Kaanapali SoC. Set the default `dma_bits` to 32-bit and update > it to 34-bit based on CDSP and OF matching on the fastrpc node. > > Signed-off-by: Kumari Pallavi <[email protected]> > --- > drivers/misc/fastrpc.c | 15 +++++++++++++-- > 1 file changed, 13 insertions(+), 2 deletions(-) >
Reviewed-by: Dmitry Baryshkov <[email protected]> -- With best wishes Dmitry
