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| author | wangkaiyuan <wangkaiyuan@inspur.com> | 2024-03-18 14:40:36 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-09 16:50:36 +0200 |
| commit | c9615d34ce26199054e188f634eac2e45c9cc906 (patch) | |
| tree | df55393fac7a8cc58f1df8c3c9a6f21237733c8d | |
| parent | 0867a9805549632969fbb996c50ba8adb1bc38bf (diff) | |
| download | linux-stable-c9615d34ce26199054e188f634eac2e45c9cc906.tar.gz linux-stable-c9615d34ce26199054e188f634eac2e45c9cc906.tar.bz2 linux-stable-c9615d34ce26199054e188f634eac2e45c9cc906.zip | |
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: wangkaiyuan <wangkaiyuan@inspur.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240318064036.1656-1-wangkaiyuan@inspur.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/max310x.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index f0eb96429dae..35369a2f77b2 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -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, |