Bjorn Andersson wrote:
For platform devices being populated via from DT you will pass: of_platform_bus_create() of_platform_device_create_pdata() of_dma_configure() Which calls of_dma_get_range() to acquire this information from the dma-ranges property and set up the dma ops and properties.
This seems excessive. I have to create a platform bus just to configure the DMA mask? Most drivers just call dma_set_mask and give it a number, and that's not device-tree specific. I also need to come up with a way to get this to work on ACPI.
I just seems like a lot of work only because I need to determine at runtime what my DMA mask is. I also don't see any drivers that call of_dma_configure().
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