Messages in this thread | | | Date | Thu, 30 Oct 2014 11:22:43 +0000 | From | Mark Brown <> | Subject | Re: [PATCH] audio: sai: Add Power Management support |
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On Thu, Oct 30, 2014 at 03:30:40AM +0000, Li.Xiubo@freescale.com wrote:
> One more thing, if the device is not performance critical, then shouldn't we > Take care of the cache memory consumption to determine using flat or rbtree > Type ?
Yes, it's always fine to use a rbtree if it makes sense - it was just an unusual choice for a device like this that didn't seem to be discussed.
Depending on the register map a flat cache can actually be more memory efficient sometimes since there's some overhead for the rbtree data structures, if you've just got one block of registers with no gaps a flat cache is going to be a win there. [unhandled content-type:application/pgp-signature] | |