diff --git a/drivers/auxdisplay/cfag12864b.c b/drivers/auxdisplay/cfag12864b.c
index 6526aa51fb1d..e1a94ae3eb0c 100644
--- a/drivers/auxdisplay/cfag12864b.c
+++ b/drivers/auxdisplay/cfag12864b.c
@@ -37,11 +37,6 @@ module_param(cfag12864b_rate, uint, 0444);
 MODULE_PARM_DESC(cfag12864b_rate,
 	"Refresh rate (hertz)");
 
-unsigned int cfag12864b_getrate(void)
-{
-	return cfag12864b_rate;
-}
-
 /*
  * cfag12864b Commands
  *
@@ -249,11 +244,6 @@ void cfag12864b_disable(void)
 	mutex_unlock(&cfag12864b_mutex);
 }
 
-unsigned char cfag12864b_isenabled(void)
-{
-	return cfag12864b_updating;
-}
-
 static void cfag12864b_update(struct work_struct *work)
 {
 	unsigned char c;
@@ -293,10 +283,8 @@ static void cfag12864b_update(struct work_struct *work)
  */
 
 EXPORT_SYMBOL_GPL(cfag12864b_buffer);
-EXPORT_SYMBOL_GPL(cfag12864b_getrate);
 EXPORT_SYMBOL_GPL(cfag12864b_enable);
 EXPORT_SYMBOL_GPL(cfag12864b_disable);
-EXPORT_SYMBOL_GPL(cfag12864b_isenabled);
 
 /*
  * Is the module inited?
diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c
index a816f9e10255..09deb864b27a 100644
--- a/drivers/auxdisplay/ht16k33.c
+++ b/drivers/auxdisplay/ht16k33.c
@@ -657,7 +657,6 @@ static int ht16k33_seg_probe(struct device *dev, struct ht16k33_priv *priv,
 static int ht16k33_probe(struct i2c_client *client)
 {
 	struct device *dev = &client->dev;
-	const struct of_device_id *id;
 	struct ht16k33_priv *priv;
 	uint32_t dft_brightness;
 	int err;
@@ -672,9 +671,8 @@ static int ht16k33_probe(struct i2c_client *client)
 		return -ENOMEM;
 
 	priv->client = client;
-	id = i2c_of_match_device(dev->driver->of_match_table, client);
-	if (id)
-		priv->type = (uintptr_t)id->data;
+	priv->type = (uintptr_t)i2c_get_match_data(client);
+
 	i2c_set_clientdata(client, priv);
 
 	err = ht16k33_initialize(priv);
@@ -747,7 +745,9 @@ static void ht16k33_remove(struct i2c_client *client)
 }
 
 static const struct i2c_device_id ht16k33_i2c_match[] = {
-	{ "ht16k33", 0 },
+	{ "3108", DISP_QUAD_7SEG },
+	{ "3130", DISP_QUAD_14SEG },
+	{ "ht16k33", DISP_MATRIX },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, ht16k33_i2c_match);
diff --git a/drivers/auxdisplay/lcd2s.c b/drivers/auxdisplay/lcd2s.c
index 6422be0dfe20..a28daa4ffbf7 100644
--- a/drivers/auxdisplay/lcd2s.c
+++ b/drivers/auxdisplay/lcd2s.c
@@ -349,7 +349,7 @@ static void lcd2s_i2c_remove(struct i2c_client *i2c)
 }
 
 static const struct i2c_device_id lcd2s_i2c_id[] = {
-	{ "lcd2s", 0 },
+	{ "lcd2s" },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, lcd2s_i2c_id);
diff --git a/include/linux/cfag12864b.h b/include/linux/cfag12864b.h
index 6617d9c68d86..83e6613d12ae 100644
--- a/include/linux/cfag12864b.h
+++ b/include/linux/cfag12864b.h
@@ -27,13 +27,6 @@
  */
 extern unsigned char * cfag12864b_buffer;
 
-/*
- * Get the refresh rate of the LCD
- *
- * Returns the refresh rate (hertz).
- */
-extern unsigned int cfag12864b_getrate(void);
-
 /*
  * Enable refreshing
  *
@@ -49,16 +42,6 @@ extern unsigned char cfag12864b_enable(void);
  */
 extern void cfag12864b_disable(void);
 
-/*
- * Is enabled refreshing? (is anyone using the module?)
- *
- * Returns 0 if refreshing is not enabled (anyone is using it),
- * or != 0 if refreshing is enabled (someone is using it).
- *
- * Useful for buffer read-only modules.
- */
-extern unsigned char cfag12864b_isenabled(void);
-
 /*
  * Is the module inited?
  */