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 node, because they are a lot. Best regards, Ivaylo > and > allowing DMA for >32 bit. This should be the true reason - what is the > address space and DMA range for children? > > Best regards, > Krzysztof >
