Gh0st
/
linux
mirror of https://github.com/torvalds/linux.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

regulator: rt5739: Enable REGCACHE_MAPLE 

Enable regmap cache to reduce i2c transactions and corresponding
interrupts if regulator is accessed frequently.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20250629094803.776-1-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jisheng Zhang 2025-06-29 17:48:03 +08:00 committed by Mark Brown
parent ce57bc9771
commit bd7c7976f9
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/regulator/rt5739.c
View File

@ -24,6 +24,8 @@
#define RT5739_REG_NSEL1 0x01
#define RT5739_REG_CNTL1 0x02
#define RT5739_REG_ID1 0x03
#define RT5739_REG_ID2 0x04
#define RT5739_REG_MON 0x05
#define RT5739_REG_CNTL2 0x06
#define RT5739_REG_CNTL4 0x08
@ -236,11 +238,18 @@ static void rt5739_init_regulator_desc(struct regulator_desc *desc,
}
}
static bool rt5739_volatile_reg(struct device *dev, unsigned int reg)
{
return reg == RT5739_REG_MON;
}
static const struct regmap_config rt5739_regmap_config = {
.name = "rt5739",
.reg_bits = 8,
.val_bits = 8,
.max_register = RT5739_REG_CNTL4,
.cache_type = REGCACHE_MAPLE,
.volatile_reg = rt5739_volatile_reg,
};
static int rt5739_probe(struct i2c_client *i2c)