Commit c9615d34 authored by wangkaiyuan's avatar wangkaiyuan Committed by Greg Kroah-Hartman
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tty: serial: max310x: 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: default avatarwangkaiyuan <wangkaiyuan@inspur.com>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240318064036.1656-1-wangkaiyuan@inspur.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0867a980

drivers/tty/serial/max310x.c

+2 −2
Original line number Diff line number Diff line
@@ -1473,7 +1473,7 @@ static struct regmap_config regcfg = { 
	.reg_bits = 8,

	.val_bits = 8,

	.write_flag_mask = MAX310X_WRITE_BIT,

	.cache_type = REGCACHE_RBTREE,

	.cache_type = REGCACHE_MAPLE,

	.max_register = MAX310X_REG_1F,

	.writeable_reg = max310x_reg_writeable,

	.volatile_reg = max310x_reg_volatile,
@@ -1577,7 +1577,7 @@ static int max310x_i2c_extended_reg_enable(struct device *dev, bool enable) 
static struct regmap_config regcfg_i2c = {

	.reg_bits = 8,

	.val_bits = 8,

	.cache_type = REGCACHE_RBTREE,

	.cache_type = REGCACHE_MAPLE,

	.writeable_reg = max310x_reg_writeable,

	.volatile_reg = max310x_reg_volatile,

	.precious_reg = max310x_reg_precious,