diff options
| -rw-r--r-- | drivers/base/regmap/regmap-irq.c | 222 | ||||
| -rw-r--r-- | include/linux/regmap.h | 16 |
2 files changed, 47 insertions, 191 deletions
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index 48bff842cc31..330da5d6c8c3 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -30,9 +30,6 @@ struct regmap_irq_chip_data { int irq; int wake_count; - unsigned int mask_base; - unsigned int unmask_base; - void *status_reg_buf; unsigned int *main_status_buf; unsigned int *status_buf; @@ -113,24 +110,22 @@ static void regmap_irq_sync_unlock(struct irq_data *data) * suppress pointless writes. */ for (i = 0; i < d->chip->num_regs; i++) { - if (d->mask_base) { - if (d->chip->handle_mask_sync) - d->chip->handle_mask_sync(i, d->mask_buf_def[i], - d->mask_buf[i], - d->chip->irq_drv_data); - else { - reg = d->get_irq_reg(d, d->mask_base, i); - ret = regmap_update_bits(d->map, reg, - d->mask_buf_def[i], - d->mask_buf[i]); - if (ret) - dev_err(d->map->dev, "Failed to sync masks in %x\n", - reg); - } + if (d->chip->handle_mask_sync) + d->chip->handle_mask_sync(i, d->mask_buf_def[i], + d->mask_buf[i], + d->chip->irq_drv_data); + + if (d->chip->mask_base && !d->chip->handle_mask_sync) { + reg = d->get_irq_reg(d, d->chip->mask_base, i); + ret = regmap_update_bits(d->map, reg, + d->mask_buf_def[i], + d->mask_buf[i]); + if (ret) + dev_err(d->map->dev, "Failed to sync masks in %x\n", reg); } - if (d->unmask_base) { - reg = d->get_irq_reg(d, d->unmask_base, i); + if (d->chip->unmask_base && !d->chip->handle_mask_sync) { + reg = d->get_irq_reg(d, d->chip->unmask_base, i); ret = regmap_update_bits(d->map, reg, d->mask_buf_def[i], ~d->mask_buf[i]); if (ret) @@ -181,20 +176,6 @@ 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 +254,11 @@ 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) { @@ -367,15 +323,8 @@ static inline int read_sub_irq_data(struct regmap_irq_chip_data *data, unsigned int offset = subreg->offset[i]; unsigned int index = offset / map->reg_stride; - if (chip->not_fixed_stride) - ret = regmap_read(map, - chip->status_base + offset, - &data->status_buf[b]); - else - ret = regmap_read(map, - chip->status_base + offset, - &data->status_buf[index]); - + ret = regmap_read(map, chip->status_base + offset, + &data->status_buf[index]); if (ret) break; } @@ -430,17 +379,7 @@ static irqreturn_t regmap_irq_thread(int irq, void *d) * sake of simplicity. and add bulk reads only if needed */ for (i = 0; i < chip->num_main_regs; i++) { - /* - * For not_fixed_stride, don't use ->get_irq_reg(). - * It would produce an incorrect result. - */ - if (data->chip->not_fixed_stride) - reg = chip->main_status + - i * map->reg_stride * data->irq_reg_stride; - else - reg = data->get_irq_reg(data, - chip->main_status, i); - + reg = data->get_irq_reg(data, chip->main_status, i); ret = regmap_read(map, reg, &data->main_status_buf[i]); if (ret) { dev_err(map->dev, @@ -606,20 +545,8 @@ static const struct irq_domain_ops regmap_domain_ops = { unsigned int regmap_irq_get_irq_reg_linear(struct regmap_irq_chip_data *data, unsigned int base, int index) { - const struct regmap_irq_chip *chip = data->chip; struct regmap *map = data->map; - /* - * FIXME: This is for backward compatibility and should be removed - * when not_fixed_stride is dropped (it's only used by qcom-pm8008). - */ - if (chip->not_fixed_stride && chip->sub_reg_offsets) { - struct regmap_irq_sub_irq_map *subreg; - - subreg = &chip->sub_reg_offsets[0]; - return base + subreg->offset[0]; - } - return base + index * map->reg_stride * data->irq_reg_stride; } EXPORT_SYMBOL_GPL(regmap_irq_get_irq_reg_linear); @@ -707,8 +634,6 @@ 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) @@ -717,6 +642,9 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode, if (chip->clear_on_unmask && (chip->ack_base || chip->use_ack)) return -EINVAL; + if (chip->mask_base && chip->unmask_base && !chip->mask_unmask_non_inverted) + return -EINVAL; + for (i = 0; i < chip->num_irqs; i++) { if (chip->irqs[i].reg_offset % map->reg_stride) return -EINVAL; @@ -725,17 +653,6 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode, return -EINVAL; } - if (chip->not_fixed_stride) { - dev_warn(map->dev, "not_fixed_stride is deprecated; use ->get_irq_reg() instead"); - - for (i = 0; i < chip->num_regs; i++) - if (chip->sub_reg_offsets[i].num_regs != 1) - 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 +697,13 @@ 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; } @@ -824,28 +733,6 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode, d->chip = chip; d->irq_base = irq_base; - if (chip->mask_base && chip->unmask_base && - !chip->mask_unmask_non_inverted) { - /* - * Chips that specify both mask_base and unmask_base used to - * get inverted mask behavior by default, with no way to ask - * for the normal, non-inverted behavior. This "inverted by - * default" behavior is deprecated, but we have to support it - * until existing drivers have been fixed. - * - * Existing drivers should be updated by swapping mask_base - * and unmask_base and setting mask_unmask_non_inverted=true. - * New drivers should always set the flag. - */ - dev_warn(map->dev, "mask_base and unmask_base are inverted, please fix it"); - - d->mask_base = chip->unmask_base; - d->unmask_base = chip->mask_base; - } else { - d->mask_base = chip->mask_base; - d->unmask_base = chip->unmask_base; - } - if (chip->irq_reg_stride) d->irq_reg_stride = chip->irq_reg_stride; else @@ -874,29 +761,28 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode, for (i = 0; i < chip->num_regs; i++) { d->mask_buf[i] = d->mask_buf_def[i]; - if (d->mask_base) { - if (chip->handle_mask_sync) { - ret = chip->handle_mask_sync(i, - d->mask_buf_def[i], - d->mask_buf[i], - chip->irq_drv_data); - if (ret) - goto err_alloc; - } else { - reg = d->get_irq_reg(d, d->mask_base, i); - ret = regmap_update_bits(d->map, reg, - d->mask_buf_def[i], - d->mask_buf[i]); - if (ret) { - dev_err(map->dev, "Failed to set masks in 0x%x: %d\n", - reg, ret); - goto err_alloc; - } + if (chip->handle_mask_sync) { + ret = chip->handle_mask_sync(i, d->mask_buf_def[i], + d->mask_buf[i], + chip->irq_drv_data); + if (ret) + goto err_alloc; + } + + if (chip->mask_base && !chip->handle_mask_sync) { + reg = d->get_irq_reg(d, chip->mask_base, i); + ret = regmap_update_bits(d->map, reg, + d->mask_buf_def[i], + d->mask_buf[i]); + if (ret) { + dev_err(map->dev, "Failed to set masks in 0x%x: %d\n", + reg, ret); + goto err_alloc; } } - if (d->unmask_base) { - reg = d->get_irq_reg(d, d->unmask_base, i); + if (chip->unmask_base && !chip->handle_mask_sync) { + reg = d->get_irq_reg(d, chip->unmask_base, i); ret = regmap_update_bits(d->map, reg, d->mask_buf_def[i], ~d->mask_buf[i]); if (ret) { @@ -970,20 +856,6 @@ 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..8fc0b3ebce44 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -1528,9 +1528,6 @@ struct regmap_irq_chip_data; * status_base. Should contain num_regs arrays. * Can be provided for chips with more complex mapping than * 1.st bit to 1.st sub-reg, 2.nd bit to 2.nd sub-reg, ... - * When used with not_fixed_stride, each one-element array - * member contains offset calculated as address from each - * peripheral to first peripheral. * @num_main_regs: Number of 'main status' irq registers for chips which have * main_status set. * @@ -1542,8 +1539,6 @@ 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. @@ -1569,11 +1564,6 @@ struct regmap_irq_chip_data; * registers before unmasking interrupts to clear any bits * set when they were masked. * @runtime_pm: Hold a runtime PM lock on the device when accessing it. - * @not_fixed_stride: Used when chip peripherals are not laid out with fixed - * stride. Must be used with sub_reg_offsets containing the - * offsets to each peripheral. Deprecated; the same thing - * can be accomplished with a @get_irq_reg callback, without - * the need for a @sub_reg_offsets table. * @no_status: No status register: all interrupts assumed generated by device. * * @num_regs: Number of registers in each control bank. @@ -1581,9 +1571,6 @@ 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 +1608,6 @@ 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; @@ -1634,7 +1620,6 @@ struct regmap_irq_chip { unsigned int type_in_mask:1; unsigned int clear_on_unmask:1; unsigned int runtime_pm:1; - unsigned int not_fixed_stride:1; unsigned int no_status:1; int num_regs; @@ -1642,7 +1627,6 @@ struct regmap_irq_chip { const struct regmap_irq *irqs; int num_irqs; - int num_type_reg; int num_config_bases; int num_config_regs; |