On 23/07/2025 10:21, Ivaylo Ivanov wrote: > On 7/23/25 11:15, Krzysztof Kozlowski wrote: >> On Tue, Jul 22, 2025 at 03:10:36PM +0300, Ivaylo Ivanov wrote: >>> Some device trees, like the exynos2200 one, configure the root node >>> with #address-cells and #size-cells set to 2. However, the usi binding >>> expects 32 bit address space only. Allow these determining properties to >> So if USI expects 32 bit, then why do we allow 64? >> >> Switching this to 2 means you use 64-bit addressing for children > > I don't, but the main point was to avoid defining ranges for every single usi I do not understand your "I don't", because you do. You change the child address space to 64 bit and switch to 36/64 bit DMA. That's the meaning of address cells 2. Best regards, Krzysztof
