tty: serial: sc16is7xx: convert to use maple tree register cache

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>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240318064216.1765-1-wangkaiyuan@inspur.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
wangkaiyuan 2024-03-18 14:42:16 +08:00 committed by Greg Kroah-Hartman
parent c9615d34ce
commit 925b2c3f6b

View File

@ -1686,7 +1686,7 @@ 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,