[U-Boot] [PATCH 4/6] usb:udc:samsung: Zero copy approach for data passed to Samsung's UDC driver

Marek Vasut
2014-02-05T02:35:46Z

On Tuesday, February 04, 2014 at 10:49:24 PM, Lukasz Majewski wrote:

[...]

> > > Maybe other ARM architectures shall have the cache management code
> > > updated to work in a similar way to cache_v7.c ?
> >
> > Not all CPUs are ARM architecture ... there're others, you know ;-)
> :
> :-) ... but who cares about the rest :-)

Me, duh. I have mips, sparc and m68k devices here and I'm not afraid to use
them!

> To be serious (quite), I do believe that checking if unaligned
> cache flush/invalidation is performed, shall be handled at the code
> which is responsible for cache management.
>
> Conceptually, it shall not be done at UDC code.

You have a point, ACK. Even better, we should have a wrapper for that which will
only then call the cache management routine.
[...]

Best regards,
Marek Vasut