[PATCH v1 2/6] regmap-irq: Remove virtual registers

From: Aidan MacDonald
Date: Tue May 09 2023 - 07:01:19 EST


No remaining users, and it's been replaced by config registers.

Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@xxxxxxxxx>
---
drivers/base/regmap/regmap-irq.c | 48 --------------------------------
include/linux/regmap.h | 12 --------
2 files changed, 60 deletions(-)

diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index b99bb2369fff..615b1ced2a5e 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/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;
@@ -197,20 +196,6 @@ 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);
@@ -321,13 +306,6 @@ 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);
@@ -759,9 +737,6 @@ 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) {
@@ -825,24 +800,6 @@ 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]
@@ -1064,11 +1021,6 @@ 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]);
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 45fdb6e93617..ec3c241542c9 100644
--- a/include/linux/regmap.h
+++ b/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;
@@ -1652,7 +1643,6 @@ struct regmap_irq_chip {
int num_irqs;

int num_type_reg;
- int num_virt_regs;
int num_config_bases;
int num_config_regs;

@@ -1661,8 +1651,6 @@ struct regmap_irq_chip {
int (*handle_mask_sync)(struct regmap *map, 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);
--
2.39.2