};
/* Setup multiplexing if needed */
-static int i801_add_mux(struct i801_priv *priv)
+static void i801_add_mux(struct i801_priv *priv)
{
struct device *dev = &priv->adapter.dev;
const struct i801_mux_config *mux_config;
int i;
if (!priv->mux_drvdata)
- return 0;
+ return;
mux_config = priv->mux_drvdata;
/* Prepare the platform data */
struct_size(lookup, table, mux_config->n_gpios + 1),
GFP_KERNEL);
if (!lookup)
- return -ENOMEM;
+ return;
lookup->dev_id = "i2c-mux-gpio";
- for (i = 0; i < mux_config->n_gpios; i++) {
- lookup->table[i] = (struct gpiod_lookup)
- GPIO_LOOKUP(mux_config->gpio_chip,
- mux_config->gpios[i], "mux", 0);
- }
+ for (i = 0; i < mux_config->n_gpios; i++)
+ lookup->table[i] = GPIO_LOOKUP(mux_config->gpio_chip,
+ mux_config->gpios[i], "mux", 0);
gpiod_add_lookup_table(lookup);
priv->lookup = lookup;
gpiod_remove_lookup_table(lookup);
dev_err(dev, "Failed to register i2c-mux-gpio device\n");
}
-
- return PTR_ERR_OR_ZERO(priv->mux_pdev);
}
static void i801_del_mux(struct i801_priv *priv)
return class;
}
#else
-static inline int i801_add_mux(struct i801_priv *priv) { return 0; }
+static inline void i801_add_mux(struct i801_priv *priv) { }
static inline void i801_del_mux(struct i801_priv *priv) { }
static inline unsigned int i801_get_adapter_class(struct i801_priv *priv)