From: Matti Vaittinen <mazziesaccount@gmail.com>
To: Bo Liu <liubo03@inspur.com>, dan@dlrobertson.com, jic23@kernel.org
Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] iio: accel: kx022a: convert to use maple tree register cache
Date: Fri, 14 Feb 2025 08:36:12 +0200 [thread overview]
Message-ID: <af91db5d-b115-4577-83b4-0394b60895c3@gmail.com> (raw)
In-Reply-To: <20250212075223.4164-5-liubo03@inspur.com>
On 12/02/2025 09:52, Bo Liu 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.
>
> Signed-off-by: Bo Liu <liubo03@inspur.com>
Acked-by: Matti Vaittinen <mazziesaccount@gmail.com>
> ---
> drivers/iio/accel/kionix-kx022a.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/iio/accel/kionix-kx022a.c b/drivers/iio/accel/kionix-kx022a.c
> index 5aeb3b951ac5..3a56ab00791a 100644
> --- a/drivers/iio/accel/kionix-kx022a.c
> +++ b/drivers/iio/accel/kionix-kx022a.c
> @@ -149,7 +149,7 @@ static const struct regmap_config kx022a_regmap_config = {
> .rd_noinc_table = &kx022a_nir_regs,
> .precious_table = &kx022a_precious_regs,
> .max_register = KX022A_MAX_REGISTER,
> - .cache_type = REGCACHE_RBTREE,
> + .cache_type = REGCACHE_MAPLE,
> };
>
> /* Regmap configs kx132 */
> @@ -260,7 +260,7 @@ static const struct regmap_config kx132_regmap_config = {
> .rd_noinc_table = &kx132_nir_regs,
> .precious_table = &kx132_precious_regs,
> .max_register = KX132_MAX_REGISTER,
> - .cache_type = REGCACHE_RBTREE,
> + .cache_type = REGCACHE_MAPLE,
> };
>
> struct kx022a_data {
next prev parent reply other threads:[~2025-02-14 6:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-12 7:52 [PATCH 0/4] iio: accel: convert to use maple tree register cache Bo Liu
2025-02-12 7:52 ` [PATCH 1/4] iio: accel: msa311: " Bo Liu
2025-02-12 7:52 ` [PATCH 2/4] iio: accel: bma400: " Bo Liu
2025-02-12 7:52 ` [PATCH 3/4] iio: accel: bmi088: " Bo Liu
2025-02-12 7:52 ` [PATCH 4/4] iio: accel: kx022a: " Bo Liu
2025-02-14 6:36 ` Matti Vaittinen [this message]
2025-02-16 16:38 ` [PATCH 0/4] iio: accel: " Jonathan Cameron
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