linux-kernel - Re: [PATCH] mfd: bd96801: Use maple tree register cache

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Message-ID: <ZvPEyFWZthCcQeTK@finisterre.sirena.org.uk>
Date: Wed, 25 Sep 2024 10:07:36 +0200
From: Mark Brown <broonie@...nel.org>
To: Matti Vaittinen <mazziesaccount@...il.com>
Cc: Lee Jones <lee@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: bd96801: Use maple tree register cache

On Wed, Sep 25, 2024 at 07:57:46AM +0300, Matti Vaittinen wrote:

> Thanks! So, I should have used maple tree with regmap instead of the rbtree
> when sending this... Do you know, is there any occasion where the rbtree
> would be better?

rbtree stores in device native format so large syncs might be more
efficient, we can just send directly from the buffer.  This could be a
good tradeoff for larger syncs running on slower CPUs but it's probably
pretty marginal.

> As a unrelated thing - seems like you've made it safely back from the LPC.
> It was nice finally meeting you :)

Actually in Paris for Kernel Recipies so not quite but yes, good to meet
you!

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