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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