regmap-irq: Remove virtual registers

No remaining users, and it's been replaced by config registers.

Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com
Link: https://lore.kernel.org/r/20230509110100.3980123-3-aidanmacdonald.0x0@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org

Author: Aidan MacDonald

drivers/base/regmap/regmap-irq.c

@@ -41,7 +41,6 @@ struct regmap_irq_chip_data {
 	unsigned int *wake_buf;
 	unsigned int *type_buf;
 	unsigned int *type_buf_def;
-	unsigned int **virt_buf;
 	unsigned int **config_buf;
 
 	unsigned int irq_reg_stride;
@@ -196,20 +195,6 @@ static void regmap_irq_sync_unlock(struct irq_data *data)
 		}
 	}
 
-	if (d->chip->num_virt_regs) {
-		for (i = 0; i < d->chip->num_virt_regs; i++) {
-			for (j = 0; j < d->chip->num_regs; j++) {
-				reg = d->get_irq_reg(d, d->chip->virt_reg_base[i],
-						     j);
-				ret = regmap_write(map, reg, d->virt_buf[i][j]);
-				if (ret != 0)
-					dev_err(d->map->dev,
-						"Failed to write virt 0x%x: %d\n",
-						reg, ret);
-			}
-		}
-	}
-
 	for (i = 0; i < d->chip->num_config_bases; i++) {
 		for (j = 0; j < d->chip->num_config_regs; j++) {
 			reg = d->get_irq_reg(d, d->chip->config_base[i], j);
@@ -320,13 +305,6 @@ static int regmap_irq_set_type(struct irq_data *data, unsigned int type)
 		return -EINVAL;
 	}
 
-	if (d->chip->set_type_virt) {
-		ret = d->chip->set_type_virt(d->virt_buf, type, data->hwirq,
-					     reg);
-		if (ret)
-			return ret;
-	}
-
 	if (d->chip->set_type_config) {
 		ret = d->chip->set_type_config(d->config_buf, type, irq_data,
 					       reg, d->chip->irq_drv_data);
@@ -758,9 +736,6 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
 	if (chip->num_type_reg)
 		dev_warn(map->dev, "type registers are deprecated; use config registers instead");
 
-	if (chip->num_virt_regs || chip->virt_reg_base || chip->set_type_virt)
-		dev_warn(map->dev, "virtual registers are deprecated; use config registers instead");
-
 	if (irq_base) {
 		irq_base = irq_alloc_descs(irq_base, 0, chip->num_irqs, 0);
 		if (irq_base < 0) {
@@ -824,24 +799,6 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
 			goto err_alloc;
 	}
 
-	if (chip->num_virt_regs) {
-		/*
-		 * Create virt_buf[chip->num_extra_config_regs][chip->num_regs]
-		 */
-		d->virt_buf = kcalloc(chip->num_virt_regs, sizeof(*d->virt_buf),
-				      GFP_KERNEL);
-		if (!d->virt_buf)
-			goto err_alloc;
-
-		for (i = 0; i < chip->num_virt_regs; i++) {
-			d->virt_buf[i] = kcalloc(chip->num_regs,
-						 sizeof(**d->virt_buf),
-						 GFP_KERNEL);
-			if (!d->virt_buf[i])
-				goto err_alloc;
-		}
-	}
-
 	if (chip->num_config_bases && chip->num_config_regs) {
 		/*
 		 * Create config_buf[num_config_bases][num_config_regs]
@@ -1063,11 +1020,6 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
 	kfree(d->mask_buf);
 	kfree(d->status_buf);
 	kfree(d->status_reg_buf);
-	if (d->virt_buf) {
-		for (i = 0; i < chip->num_virt_regs; i++)
-			kfree(d->virt_buf[i]);
-		kfree(d->virt_buf);
-	}
 	if (d->config_buf) {
 		for (i = 0; i < chip->num_config_bases; i++)
 			kfree(d->config_buf[i]);

include/linux/regmap.h

@@ -1544,8 +1544,6 @@ struct regmap_irq_chip_data;
  * @wake_base:   Base address for wake enables.  If zero unsupported.
  * @type_base:   Base address for irq type.  If zero unsupported.  Deprecated,
  *		 use @config_base instead.
- * @virt_reg_base:   Base addresses for extra config regs. Deprecated, use
- *		     @config_base instead.
  * @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.
@@ -1586,9 +1584,6 @@ struct regmap_irq_chip_data;
  *
  * @num_type_reg:    Number of type registers. Deprecated, use config registers
  *		     instead.
- * @num_virt_regs:   Number of non-standard irq configuration registers.
- *		     If zero unsupported. Deprecated, use config registers
- *		     instead.
  * @num_config_bases:	Number of config base registers.
  * @num_config_regs:	Number of config registers for each config base register.
  *
@@ -1598,9 +1593,6 @@ struct regmap_irq_chip_data;
  *		     after handling the interrupts in regmap_irq_handler().
  * @handle_mask_sync: Callback used to handle IRQ mask syncs. The index will be
  *		      in the range [0, num_regs)
- * @set_type_virt:   Driver specific callback to extend regmap_irq_set_type()
- *		     and configure virt regs. Deprecated, use @set_type_config
- *		     callback and config registers instead.
  * @set_type_config: Callback used for configuring irq types.
  * @get_irq_reg: Callback for mapping (base register, index) pairs to register
  *		 addresses. The base register will be one of @status_base,
@@ -1630,7 +1622,6 @@ struct regmap_irq_chip {
 	unsigned int ack_base;
 	unsigned int wake_base;
 	unsigned int type_base;
-	unsigned int *virt_reg_base;
 	const unsigned int *config_base;
 	unsigned int irq_reg_stride;
 	unsigned int init_ack_masked:1;
@@ -1652,16 +1643,13 @@ struct regmap_irq_chip {
 	int num_irqs;
 
 	int num_type_reg;
-	int num_virt_regs;
 	int num_config_bases;
 	int num_config_regs;
 
 	int (*handle_pre_irq)(void *irq_drv_data);
 	int (*handle_post_irq)(void *irq_drv_data);
 	int (*handle_mask_sync)(int index, unsigned int mask_buf_def,
 				unsigned int mask_buf, void *irq_drv_data);
-	int (*set_type_virt)(unsigned int **buf, unsigned int type,
-			     unsigned long hwirq, int reg);
 	int (*set_type_config)(unsigned int **buf, unsigned int type,
 			       const struct regmap_irq *irq_data, int idx,
 			       void *irq_drv_data);