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drivers: i2c: slave: eeprom: use i2c_dt_spec

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Simplify implementation by using i2c_dt_spec.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2022-01-28 15:19:39 +01:00 • committed by Anas Nashif
commit 7c0d4f0382
1 changed files with 10 additions and 14 deletions
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24
drivers/i2c/slave/eeprom_slave.c
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@ -18,7 +18,6 @@
LOG_MODULE_REGISTER(i2c_slave);
struct i2c_eeprom_slave_data {
const struct device *i2c_controller;
struct i2c_slave_config config;
uint32_t buffer_size;
uint8_t *buffer;
@ -27,8 +26,7 @@ struct i2c_eeprom_slave_data {
};
struct i2c_eeprom_slave_config {
char *controller_dev_name;
uint8_t address;
struct i2c_dt_spec bus;
uint32_t buffer_size;
uint8_t *buffer;
};
@ -152,16 +150,18 @@ static int eeprom_slave_stop(struct i2c_slave_config *config)
static int eeprom_slave_register(const struct device *dev)
{
const struct i2c_eeprom_slave_config *cfg = dev->config;
struct i2c_eeprom_slave_data *data = dev->data;
return i2c_slave_register(data->i2c_controller, &data->config);
return i2c_slave_register(cfg->bus.bus, &data->config);
}
static int eeprom_slave_unregister(const struct device *dev)
{
const struct i2c_eeprom_slave_config *cfg = dev->config;
struct i2c_eeprom_slave_data *data = dev->data;
return i2c_slave_unregister(data->i2c_controller, &data->config);
return i2c_slave_unregister(cfg->bus.bus, &data->config);
}
static const struct i2c_slave_driver_api api_funcs = {
@ -182,17 +182,14 @@ static int i2c_eeprom_slave_init(const struct device *dev)
struct i2c_eeprom_slave_data *data = dev->data;
const struct i2c_eeprom_slave_config *cfg = dev->config;
data->i2c_controller =
device_get_binding(cfg->controller_dev_name);
if (!data->i2c_controller) {
LOG_ERR("i2c controller not found: %s",
cfg->controller_dev_name);
return -EINVAL;
if (!device_is_ready(cfg->bus.bus)) {
LOG_ERR("I2C controller device not ready");
return -ENODEV;
}
data->buffer_size = cfg->buffer_size;
data->buffer = cfg->buffer;
data->config.address = cfg->address;
data->config.address = cfg->bus.addr;
data->config.callbacks = &eeprom_callbacks;
return 0;
@ -207,8 +204,7 @@ static int i2c_eeprom_slave_init(const struct device *dev)
\
static const struct i2c_eeprom_slave_config \
i2c_eeprom_slave_##inst##_cfg = { \
.controller_dev_name = DT_INST_BUS_LABEL(inst), \
.address = DT_INST_REG_ADDR(inst), \
.bus = I2C_DT_SPEC_INST_GET(inst), \
.buffer_size = DT_INST_PROP(inst, size), \
.buffer = i2c_eeprom_slave_##inst##_buffer \
}; \