Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | wangkaiyuan <> | Subject | [PATCH 2/2] tty: serial: sc16is7xx: convert to use maple tree register cache | Date | Mon, 18 Mar 2024 14:42:16 +0800 |
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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: wangkaiyuan <wangkaiyuan@inspur.com> --- drivers/tty/serial/sc16is7xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 929206a9a6e1..410b772cdbb3 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1696,7 +1696,7 @@ static struct regmap_config regcfg = { .reg_bits = 5, .pad_bits = 3, .val_bits = 8, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .volatile_reg = sc16is7xx_regmap_volatile, .precious_reg = sc16is7xx_regmap_precious, .writeable_noinc_reg = sc16is7xx_regmap_noinc, -- 2.27.0
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