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Message-Id: <20230511091342.26604-2-aidanmacdonald.0x0@gmail.com>
Date: Thu, 11 May 2023 10:13:39 +0100
From: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
To: broonie@...nel.org
Cc: gregkh@...uxfoundation.org, rafael@...nel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/4] regmap-irq: Remove type registers
No remaining users, these have been replaced by config registers.
Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
---
drivers/base/regmap/regmap-irq.c | 82 ++++----------------------------
include/linux/regmap.h | 7 ---
2 files changed, 8 insertions(+), 81 deletions(-)
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 48bff842cc31..c11295e3fe5e 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -181,20 +181,6 @@ static void regmap_irq_sync_unlock(struct irq_data *data)
}
}
- /* Don't update the type bits if we're using mask bits for irq type. */
- if (!d->chip->type_in_mask) {
- for (i = 0; i < d->chip->num_type_reg; i++) {
- if (!d->type_buf_def[i])
- continue;
- reg = d->get_irq_reg(d, d->chip->type_base, 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);
- }
- }
-
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);
@@ -273,36 +259,11 @@ static int regmap_irq_set_type(struct irq_data *data, unsigned int type)
reg = t->type_reg_offset / map->reg_stride;
- if (t->type_reg_mask)
- d->type_buf[reg] &= ~t->type_reg_mask;
- else
- d->type_buf[reg] &= ~(t->type_falling_val |
- t->type_rising_val |
- t->type_level_low_val |
- t->type_level_high_val);
- switch (type) {
- case IRQ_TYPE_EDGE_FALLING:
- d->type_buf[reg] |= t->type_falling_val;
- break;
-
- case IRQ_TYPE_EDGE_RISING:
- d->type_buf[reg] |= t->type_rising_val;
- break;
-
- case IRQ_TYPE_EDGE_BOTH:
- d->type_buf[reg] |= (t->type_falling_val |
- t->type_rising_val);
- break;
-
- case IRQ_TYPE_LEVEL_HIGH:
- d->type_buf[reg] |= t->type_level_high_val;
- break;
-
- case IRQ_TYPE_LEVEL_LOW:
- d->type_buf[reg] |= t->type_level_low_val;
- break;
- default:
- return -EINVAL;
+ if (d->chip->type_in_mask) {
+ ret = regmap_irq_set_type_config_simple(&d->type_buf, type,
+ irq_data, reg, d->chip->irq_drv_data);
+ if (ret)
+ return ret;
}
if (d->chip->set_type_config) {
@@ -707,8 +668,6 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
struct regmap_irq_chip_data *d;
int i;
int ret = -ENOMEM;
- int num_type_reg;
- int num_regs;
u32 reg;
if (chip->num_regs <= 0)
@@ -733,9 +692,6 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
return -EINVAL;
}
- if (chip->num_type_reg)
- dev_warn(map->dev, "type 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) {
@@ -780,21 +736,13 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
goto err_alloc;
}
- /*
- * Use num_config_regs if defined, otherwise fall back to num_type_reg
- * to maintain backward compatibility.
- */
- num_type_reg = chip->num_config_regs ? chip->num_config_regs
- : chip->num_type_reg;
- num_regs = chip->type_in_mask ? chip->num_regs : num_type_reg;
- if (num_regs) {
- d->type_buf_def = kcalloc(num_regs,
+ if (chip->type_in_mask) {
+ d->type_buf_def = kcalloc(chip->num_regs,
sizeof(*d->type_buf_def), GFP_KERNEL);
if (!d->type_buf_def)
goto err_alloc;
- d->type_buf = kcalloc(num_regs, sizeof(*d->type_buf),
- GFP_KERNEL);
+ d->type_buf = kcalloc(chip->num_regs, sizeof(*d->type_buf), GFP_KERNEL);
if (!d->type_buf)
goto err_alloc;
}
@@ -970,20 +918,6 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
}
}
- if (chip->num_type_reg && !chip->type_in_mask) {
- for (i = 0; i < chip->num_type_reg; ++i) {
- reg = d->get_irq_reg(d, d->chip->type_base, i);
-
- ret = regmap_read(map, reg, &d->type_buf_def[i]);
-
- if (ret) {
- dev_err(map->dev, "Failed to get type defaults at 0x%x: %d\n",
- reg, ret);
- goto err_alloc;
- }
- }
- }
-
if (irq_base)
d->domain = irq_domain_create_legacy(fwnode, chip->num_irqs,
irq_base, 0,
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 2ad0e3d77b95..0b4b9eca480d 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -1542,8 +1542,6 @@ struct regmap_irq_chip_data;
* @ack_base: Base ack address. If zero then the chip is clear on read.
* Using zero value is possible with @use_ack bit.
* @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.
* @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.
@@ -1581,9 +1579,6 @@ struct regmap_irq_chip_data;
* @irqs: Descriptors for individual IRQs. Interrupt numbers are
* assigned based on the index in the array of the interrupt.
* @num_irqs: Number of descriptors.
- *
- * @num_type_reg: Number of type registers. 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.
*
@@ -1621,7 +1616,6 @@ struct regmap_irq_chip {
unsigned int unmask_base;
unsigned int ack_base;
unsigned int wake_base;
- unsigned int type_base;
const unsigned int *config_base;
unsigned int irq_reg_stride;
unsigned int init_ack_masked:1;
@@ -1642,7 +1636,6 @@ struct regmap_irq_chip {
const struct regmap_irq *irqs;
int num_irqs;
- int num_type_reg;
int num_config_bases;
int num_config_regs;
--
2.39.2
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