linux-kernel - Re: [PATCH 0/4] iio: accel: convert to use maple tree register cache

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Message-ID: <20250216163839.2055d5e1@jic23-huawei>
Date: Sun, 16 Feb 2025 16:38:39 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Bo Liu <liubo03@...pur.com>
Cc: <dan@...obertson.com>, <linux-iio@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/4] iio: accel: convert to use maple tree register
 cache

On Wed, 12 Feb 2025 02:52:19 -0500
Bo Liu <liubo03@...pur.com> wrote:

> The maple tree register cache is based on a much more modern data structure
> than the rbtree cache and makes optimisation choices which are probably
> more appropriate for modern systems than those made by the rbtree cache.
> 
> Bo Liu (4):
>   iio: accel: msa311: convert to use maple tree register cache
>   iio: accel: bma400: convert to use maple tree register cache
>   iio: accel: bmi088: convert to use maple tree register cache
>   iio: accel: kx022a: convert to use maple tree register cache
> 
>  drivers/iio/accel/bma400_core.c       | 2 +-
>  drivers/iio/accel/bmi088-accel-core.c | 2 +-
>  drivers/iio/accel/kionix-kx022a.c     | 4 ++--
>  drivers/iio/accel/msa311.c            | 2 +-
>  4 files changed, 5 insertions(+), 5 deletions(-)
> 
These are all fairly small register maps so I doubt it makes much
real difference.   Still there is the possibility these get copied
into a driver with a much larger regmap, so fair enough to tidy these
up.  Applied to the togreg branch of iio.git and pushed out as testing
for 0-day to take a first look.

Thanks,

Jonathan