Hi Michael,
On Tue, Dec 19, 2017 at 1:40 AM, Michael Schmitz <[email protected]> wrote:
> Contrary to the Mac driver, esp->command_block and
> esp->command_block_dma are not identical addresses on Amiga. Is there
> a generic way to map a DMA address (i.e., physical address AFAIK) to a
> kernel virtual one? (I can use esp->command_block in the reconnect
> message special case but not otherwise ...)
The only generic way is to use the virtual and DMA addresses as returned
by the dma_map_*() functions.
There may be some platform-specific legacy conversion routines around...
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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