On Feb 7, 2007, at 10:43 AM, Timur Tabi wrote:
Kumar Gala wrote:
On Feb 6, 2007, at 5:31 AM, Li Yang wrote:
Get rid of private immrbar_virt_to_phys() routine and
use generic iopa().
Nack. iopa() isn't that generic, shouldn't we really be using the
dma mapping API here?
I'm having a hard time understanding what's wrong with iopa(). Is
it because it's a 32-bit only function? The memory has already
been mapped with ioremap(), so why would we want to map it again?
If its been mapped with ioremap() you know the physical address
already so why do you need iopa(). The problem I have is iopa() is
ppc specific and I can envision a day when someone wants to run Linux
on a StarCore + QE, so having the drivers using ppc specific APIs is
bad.
- k
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