On 18.06.2023 10:07, Krzysztof Kozlowski wrote: > On 16/06/2023 17:14, Douglas Anderson wrote: >> Trogdor devices use firmware backed by TF-A instead of Qualcomm's >> normal TZ. On TF-A we end up mapping memory as cacheable. Specifically, >> you can see in Trogdor's TF-A code [1] in qti_sip_mem_assign() that we >> call qti_mmap_add_dynamic_region() with MT_RO_DATA. This translates >> down to MT_MEMORY instead of MT_NON_CACHEABLE or MT_DEVICE. >> >> Let's allow devices like trogdor to be described properly by allowing >> "dma-coherent" in the SCM node. >> >> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx > > 2 Forgot to press alt or something Konrad > > Best regards, > Krzysztof >