diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index a8f185430a07..8c903b8c9714 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -189,12 +189,8 @@ static void regmap_irq_sync_unlock(struct irq_data *data)
 			if (!d->type_buf_def[i])
 				continue;
 			reg = d->get_irq_reg(d, d->chip->type_base, i);
-			if (d->chip->type_invert)
-				ret = regmap_update_bits(d->map, reg,
-					d->type_buf_def[i], ~d->type_buf[i]);
-			else
-				ret = regmap_update_bits(d->map, reg,
-					d->type_buf_def[i], d->type_buf[i]);
+			ret = regmap_update_bits(d->map, reg,
+						 d->type_buf_def[i], d->type_buf[i]);
 			if (ret != 0)
 				dev_err(d->map->dev, "Failed to sync type in %x\n",
 					reg);
@@ -882,20 +878,6 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
 		 */
 		dev_warn(map->dev, "mask_base and unmask_base are inverted, please fix it");
 
-		/* Might as well warn about mask_invert while we're at it... */
-		if (chip->mask_invert)
-			dev_warn(map->dev, "mask_invert=true ignored");
-
-		d->mask_base = chip->unmask_base;
-		d->unmask_base = chip->mask_base;
-	} else if (chip->mask_invert) {
-		/*
-		 * Swap the roles of mask_base and unmask_base if the bits are
-		 * inverted. This is deprecated, drivers should use unmask_base
-		 * directly.
-		 */
-		dev_warn(map->dev, "mask_invert=true is deprecated; please switch to unmask_base");
-
 		d->mask_base = chip->unmask_base;
 		d->unmask_base = chip->mask_base;
 	} else {
@@ -1028,9 +1010,6 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
 
 			ret = regmap_read(map, reg, &d->type_buf_def[i]);
 
-			if (d->chip->type_invert)
-				d->type_buf_def[i] = ~d->type_buf_def[i];
-
 			if (ret) {
 				dev_err(map->dev, "Failed to get type defaults at 0x%x: %d\n",
 					reg, ret);
diff --git a/drivers/base/regmap/regmap-mdio.c b/drivers/base/regmap/regmap-mdio.c
index f7293040a2b1..6aa6a2409478 100644
--- a/drivers/base/regmap/regmap-mdio.c
+++ b/drivers/base/regmap/regmap-mdio.c
@@ -10,33 +10,23 @@
 /* Clause-45 mask includes the device type (5 bit) and actual register number (16 bit) */
 #define REGNUM_C45_MASK		GENMASK(20, 0)
 
-static int regmap_mdio_read(struct mdio_device *mdio_dev, u32 reg, unsigned int *val)
+static int regmap_mdio_c22_read(void *context, unsigned int reg, unsigned int *val)
 {
+	struct mdio_device *mdio_dev = context;
 	int ret;
 
+	if (unlikely(reg & ~REGNUM_C22_MASK))
+		return -ENXIO;
+
 	ret = mdiodev_read(mdio_dev, reg);
 	if (ret < 0)
 		return ret;
 
 	*val = ret & REGVAL_MASK;
+
 	return 0;
 }
 
-static int regmap_mdio_write(struct mdio_device *mdio_dev, u32 reg, unsigned int val)
-{
-	return mdiodev_write(mdio_dev, reg, val);
-}
-
-static int regmap_mdio_c22_read(void *context, unsigned int reg, unsigned int *val)
-{
-	struct mdio_device *mdio_dev = context;
-
-	if (unlikely(reg & ~REGNUM_C22_MASK))
-		return -ENXIO;
-
-	return regmap_mdio_read(mdio_dev, reg, val);
-}
-
 static int regmap_mdio_c22_write(void *context, unsigned int reg, unsigned int val)
 {
 	struct mdio_device *mdio_dev = context;
@@ -55,21 +45,36 @@ static const struct regmap_bus regmap_mdio_c22_bus = {
 static int regmap_mdio_c45_read(void *context, unsigned int reg, unsigned int *val)
 {
 	struct mdio_device *mdio_dev = context;
+	unsigned int devad;
+	int ret;
 
 	if (unlikely(reg & ~REGNUM_C45_MASK))
 		return -ENXIO;
 
-	return regmap_mdio_read(mdio_dev, MII_ADDR_C45 | reg, val);
+	devad = reg >> REGMAP_MDIO_C45_DEVAD_SHIFT;
+	reg = reg & REGMAP_MDIO_C45_REGNUM_MASK;
+
+	ret = mdiodev_c45_read(mdio_dev, devad, reg);
+	if (ret < 0)
+		return ret;
+
+	*val = ret & REGVAL_MASK;
+
+	return 0;
 }
 
 static int regmap_mdio_c45_write(void *context, unsigned int reg, unsigned int val)
 {
 	struct mdio_device *mdio_dev = context;
+	unsigned int devad;
 
 	if (unlikely(reg & ~REGNUM_C45_MASK))
 		return -ENXIO;
 
-	return regmap_mdio_write(mdio_dev, MII_ADDR_C45 | reg, val);
+	devad = reg >> REGMAP_MDIO_C45_DEVAD_SHIFT;
+	reg = reg & REGMAP_MDIO_C45_REGNUM_MASK;
+
+	return mdiodev_c45_write(mdio_dev, devad, reg, val);
 }
 
 static const struct regmap_bus regmap_mdio_c45_bus = {
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index a3bc695bcca0..4d10790adeb0 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -38,6 +38,14 @@ struct regmap_field;
 struct snd_ac97;
 struct sdw_slave;
 
+/*
+ * regmap_mdio address encoding. IEEE 802.3ae clause 45 addresses consist of a
+ * device address and a register address.
+ */
+#define REGMAP_MDIO_C45_DEVAD_SHIFT	16
+#define REGMAP_MDIO_C45_DEVAD_MASK	GENMASK(20, 16)
+#define REGMAP_MDIO_C45_REGNUM_MASK	GENMASK(15, 0)
+
 /* An enum of all the supported cache types */
 enum regcache_type {
 	REGCACHE_NONE,
@@ -512,6 +520,7 @@ typedef void (*regmap_hw_free_context)(void *context);
  *	     to perform locking. This field is ignored if custom lock/unlock
  *	     functions are used (see fields lock/unlock of
  *	     struct regmap_config).
+ * @free_on_exit: kfree this on exit of regmap
  * @write: Write operation.
  * @gather_write: Write operation with split register/value, return -ENOTSUPP
  *                if not implemented  on a given device.
@@ -540,10 +549,10 @@ typedef void (*regmap_hw_free_context)(void *context);
  *     DEFAULT, BIG is assumed.
  * @max_raw_read: Max raw read size that can be used on the bus.
  * @max_raw_write: Max raw write size that can be used on the bus.
- * @free_on_exit: kfree this on exit of regmap
  */
 struct regmap_bus {
 	bool fast_io;
+	bool free_on_exit;
 	regmap_hw_write write;
 	regmap_hw_gather_write gather_write;
 	regmap_hw_async_write async_write;
@@ -560,7 +569,6 @@ struct regmap_bus {
 	enum regmap_endian val_format_endian_default;
 	size_t max_raw_read;
 	size_t max_raw_write;
-	bool free_on_exit;
 };
 
 /*
@@ -1532,9 +1540,6 @@ struct regmap_irq_chip_data;
  * @config_base: Base address for IRQ type config regs. If null unsupported.
  * @irq_reg_stride:  Stride to use for chips where registers are not contiguous.
  * @init_ack_masked: Ack all masked interrupts once during initalization.
- * @mask_invert: Inverted mask register: cleared bits are masked out.
- *		 Deprecated; prefer describing an inverted mask register as
- *		 an unmask register.
  * @mask_unmask_non_inverted: Controls mask bit inversion for chips that set
  *	both @mask_base and @unmask_base. If false, mask and unmask bits are
  *	inverted (which is deprecated behavior); if true, bits will not be
@@ -1547,8 +1552,6 @@ struct regmap_irq_chip_data;
  * @ack_invert:  Inverted ack register: cleared bits for ack.
  * @clear_ack:  Use this to set 1 and 0 or vice-versa to clear interrupts.
  * @wake_invert: Inverted wake register: cleared bits are wake enabled.
- * @type_invert: Invert the type flags. Deprecated, use config registers
- *		 instead.
  * @type_in_mask: Use the mask registers for controlling irq type. Use this if
  *		  the hardware provides separate bits for rising/falling edge
  *		  or low/high level interrupts and they should be combined into
@@ -1618,14 +1621,12 @@ struct regmap_irq_chip {
 	const unsigned int *config_base;
 	unsigned int irq_reg_stride;
 	unsigned int init_ack_masked:1;
-	unsigned int mask_invert:1;
 	unsigned int mask_unmask_non_inverted:1;
 	unsigned int use_ack:1;
 	unsigned int ack_invert:1;
 	unsigned int clear_ack:1;
 	unsigned int wake_invert:1;
 	unsigned int runtime_pm:1;
-	unsigned int type_invert:1;
 	unsigned int type_in_mask:1;
 	unsigned int clear_on_unmask:1;
 	unsigned int not_fixed_stride:1;