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Message-ID: <bc64b713-0e38-4674-8d8e-54389c22d95c@datenfreihafen.org>
Date: Mon, 26 Feb 2024 21:50:38 +0100
From: Stefan Schmidt <stefan@...enfreihafen.org>
To: Bo Liu <liubo03@...pur.com>, alex.aring@...il.com,
miquel.raynal@...tlin.com, davem@...emloft.net, edumazet@...gle.com,
kuba@...nel.org, pabeni@...hat.com
Cc: linux-wpan@...r.kernel.org, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: ieee802154: mcr20a: convert to use maple tree
register cache
Hello,
On 02.02.24 07:46, 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@...pur.com>
> ---
> drivers/net/ieee802154/mcr20a.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c
> index 87abe3b46316..efb1be3c644e 100644
> --- a/drivers/net/ieee802154/mcr20a.c
> +++ b/drivers/net/ieee802154/mcr20a.c
> @@ -251,7 +251,7 @@ static const struct regmap_config mcr20a_dar_regmap = {
> .val_bits = 8,
> .write_flag_mask = REGISTER_ACCESS | REGISTER_WRITE,
> .read_flag_mask = REGISTER_ACCESS | REGISTER_READ,
> - .cache_type = REGCACHE_RBTREE,
> + .cache_type = REGCACHE_MAPLE,
> .writeable_reg = mcr20a_dar_writeable,
> .readable_reg = mcr20a_dar_readable,
> .volatile_reg = mcr20a_dar_volatile,
> @@ -387,7 +387,7 @@ static const struct regmap_config mcr20a_iar_regmap = {
> .val_bits = 8,
> .write_flag_mask = REGISTER_ACCESS | REGISTER_WRITE | IAR_INDEX,
> .read_flag_mask = REGISTER_ACCESS | REGISTER_READ | IAR_INDEX,
> - .cache_type = REGCACHE_RBTREE,
> + .cache_type = REGCACHE_MAPLE,
> .writeable_reg = mcr20a_iar_writeable,
> .readable_reg = mcr20a_iar_readable,
> .volatile_reg = mcr20a_iar_volatile,
This patch has been applied to the wpan-next tree and will be
part of the next pull request to net-next. Thanks!
regards
Stefan Schmidt
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