static struct as7716_24xc_psu_data *as7716_24xc_psu_update_device(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct as7716_24xc_psu_data *data = i2c_get_clientdata(client);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
int status;
data->valid = 0;
dev_dbg(&client->dev, "Starting as7716_24xc update\n");
/* Read psu status */
status = accton_i2c_cpld_read(PSU_STATUS_I2C_ADDR, PSU_STATUS_I2C_REG_OFFSET);
if (status < 0) {
dev_dbg(&client->dev, "cpld reg 0x60 err %d\n", status);
goto exit;
}
else {
data->status = status;
}
data->last_updated = jiffies;
data->valid = 1;
}
exit:
mutex_unlock(&data->update_lock);
return data;
}
static struct as7716_24sc_expansion_card_data *update_device(struct device *dev, int update_all)
{
struct i2c_client *client = to_i2c_client(dev);
struct as7716_24sc_expansion_card_data *data = i2c_get_clientdata(client);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
int status, i;
u8 regs[] = {0x00, 0x02}; /* 0x00: type, 0x02: slot */
data->valid = 0;
dev_dbg(&client->dev, "Starting as7716_24sc update\n");
/* Read present status */
status = accton_i2c_cpld_read(CPLD_I2C_ADDR, EXPANSION_CARD_PRESENT_REG);
if (status < 0) {
dev_dbg(&client->dev, "cpld reg 0x60 err %d\n", status);
goto exit;
}
else {
data->status[CARD_PRESENT] = status;
}
/* Update card type and slot if card is present */
if (!(data->status[CARD_PRESENT] & BIT(data->driver_slot))) {
for (i = 0; i < ARRAY_SIZE(regs); i++) {
status = i2c_smbus_read_byte_data(client, regs[i]);
if (status < 0) {
goto exit;
}
data->status[i] = status;
}
}
data->last_updated = jiffies;
data->valid = 1;
}
exit:
mutex_unlock(&data->update_lock);
return data;
}
static int accton_as6700_32x_fan_read_value(u8 reg)
{
return accton_i2c_cpld_read(0x35, reg);
}
static int accton_as5512_54x_led_read_value(u8 reg)
{
return accton_i2c_cpld_read(0x60, reg);
}
