Re: [PATCH 4/6] sparc32-ledma: don't reference nd_table directly within the device

[Mark Cave-Ayland]

On 21/09/2020 18:03, Mark Cave-Ayland wrote:

> The lance and esp devices are embedded within ledma and espdma devices 
> respectively,
> but are actually sysbus devices because they can be used by other machines. 
> I'm not
> sure if lance is used anywhere else, but esp certainly is. Hence they are 
> mapped
> after the dma device is realised as it feels odd to attach devices to sysbus 
> outside
> of a machine init function.

Actually I have a better idea for this: use sysbus_mmio_get_region() within the
sparc32-dma device to attach the lance and esp memory regions to its own 
container
memory region: then the single sysbus_mmio_map() for the sparc32-dma device 
will just
work on its own.


ATB,

Mark.