diff options
Diffstat (limited to 'drivers/gpio/gpio-fxl6408.c')
| -rw-r--r-- | drivers/gpio/gpio-fxl6408.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-fxl6408.c b/drivers/gpio/gpio-fxl6408.c index c14b5cc5e519..afc1b8461dab 100644 --- a/drivers/gpio/gpio-fxl6408.c +++ b/drivers/gpio/gpio-fxl6408.c @@ -84,7 +84,7 @@ static const struct regmap_config regmap = { .rd_table = &rd_table, .volatile_table = &volatile_table, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .num_reg_defaults_raw = FXL6408_REG_INT_STS + 1, }; @@ -123,6 +123,8 @@ static int fxl6408_probe(struct i2c_client *client) if (ret) return ret; + i2c_set_clientdata(client, gpio_config.regmap); + /* Disable High-Z of outputs, so that our OUTPUT updates actually take effect. */ ret = regmap_write(gpio_config.regmap, FXL6408_REG_OUTPUT_HIGH_Z, 0); if (ret) @@ -131,6 +133,16 @@ static int fxl6408_probe(struct i2c_client *client) return PTR_ERR_OR_ZERO(devm_gpio_regmap_register(dev, &gpio_config)); } +static int fxl6408_resume(struct device *dev) +{ + struct regmap *regmap = dev_get_drvdata(dev); + + regcache_mark_dirty(regmap); + return regcache_sync(regmap); +} + +static DEFINE_SIMPLE_DEV_PM_OPS(fxl6408_pm_ops, NULL, fxl6408_resume); + static const __maybe_unused struct of_device_id fxl6408_dt_ids[] = { { .compatible = "fcs,fxl6408" }, { } @@ -138,7 +150,7 @@ static const __maybe_unused struct of_device_id fxl6408_dt_ids[] = { MODULE_DEVICE_TABLE(of, fxl6408_dt_ids); static const struct i2c_device_id fxl6408_id[] = { - { "fxl6408", 0 }, + { "fxl6408" }, { } }; MODULE_DEVICE_TABLE(i2c, fxl6408_id); @@ -146,6 +158,7 @@ MODULE_DEVICE_TABLE(i2c, fxl6408_id); static struct i2c_driver fxl6408_driver = { .driver = { .name = "fxl6408", + .pm = pm_sleep_ptr(&fxl6408_pm_ops), .of_match_table = fxl6408_dt_ids, }, .probe = fxl6408_probe, |