Russell,
On Friday 15 February 2013 03:46 PM, Russell King - ARM Linux wrote:
On Thu, Feb 14, 2013 at 08:47:53PM +0000, Paul Walmsley wrote:
[..]
So instead of something bus-specific like that, a better way would be to
use something like:
va = dev->bus->ioremap( ... );
va = dev->bus->iounmap( ... );
No. ioremap() is already generic. We don't need additional layers of
indirection per bus type.
Whats your view on use of arch_ioremap_caller() hook ? This can allow
us to avoid the dual ioremap() issue discussed here if the hook
maintains the list of mapped ios.
I was even thinking of having such intelligence within the core
ioremap code but thought that might be too invasive.
Regards,
Santosh
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