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authorDzmitry Sankouski <dsankouski@gmail.com>2025-09-09 21:23:07 +0300
committerLee Jones <lee@kernel.org>2025-10-01 10:28:57 +0100
commit605c9820e44de2da7d67acf66484136561da63a2 (patch)
tree8bb539012d898c5472197c6f90ac1e9b61382d9b
parentafe0f94992dbe6cc6a38fdb2c8ed2f0f265e3e6e (diff)
mfd: max77705: Setup the core driver as an interrupt controller
Current implementation describes only MFD's own topsys interrupts. However, max77705 has a register which indicates interrupt source, i.e. it acts as an interrupt controller. There's 4 interrupt sources in max77705: topsys, charger, fuelgauge, usb type-c manager. Setup max77705 MFD parent as an interrupt controller. Delete topsys interrupts because currently unused. Remove shared interrupt flag, because we're are an interrupt controller now, and subdevices should request interrupts from us. Fixes: c8d50f029748 ("mfd: Add new driver for MAX77705 PMIC") Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com> Link: https://lore.kernel.org/r/20250909-max77705-fix_interrupt_handling-v3-1-233c5a1a20b5@gmail.com Signed-off-by: Lee Jones <lee@kernel.org>
-rw-r--r--drivers/mfd/max77705.c35
1 files changed, 14 insertions, 21 deletions
diff --git a/drivers/mfd/max77705.c b/drivers/mfd/max77705.c
index 6b263bacb8c2..62dbc63efa8d 100644
--- a/drivers/mfd/max77705.c
+++ b/drivers/mfd/max77705.c
@@ -61,21 +61,21 @@ static const struct regmap_config max77705_regmap_config = {
.max_register = MAX77705_PMIC_REG_USBC_RESET,
};
-static const struct regmap_irq max77705_topsys_irqs[] = {
- { .mask = MAX77705_SYSTEM_IRQ_BSTEN_INT, },
- { .mask = MAX77705_SYSTEM_IRQ_SYSUVLO_INT, },
- { .mask = MAX77705_SYSTEM_IRQ_SYSOVLO_INT, },
- { .mask = MAX77705_SYSTEM_IRQ_TSHDN_INT, },
- { .mask = MAX77705_SYSTEM_IRQ_TM_INT, },
+static const struct regmap_irq max77705_irqs[] = {
+ { .mask = MAX77705_SRC_IRQ_CHG, },
+ { .mask = MAX77705_SRC_IRQ_TOP, },
+ { .mask = MAX77705_SRC_IRQ_FG, },
+ { .mask = MAX77705_SRC_IRQ_USBC, },
};
-static const struct regmap_irq_chip max77705_topsys_irq_chip = {
- .name = "max77705-topsys",
- .status_base = MAX77705_PMIC_REG_SYSTEM_INT,
- .mask_base = MAX77705_PMIC_REG_SYSTEM_INT_MASK,
+static const struct regmap_irq_chip max77705_irq_chip = {
+ .name = "max77705",
+ .status_base = MAX77705_PMIC_REG_INTSRC,
+ .ack_base = MAX77705_PMIC_REG_INTSRC,
+ .mask_base = MAX77705_PMIC_REG_INTSRC_MASK,
.num_regs = 1,
- .irqs = max77705_topsys_irqs,
- .num_irqs = ARRAY_SIZE(max77705_topsys_irqs),
+ .irqs = max77705_irqs,
+ .num_irqs = ARRAY_SIZE(max77705_irqs),
};
static int max77705_i2c_probe(struct i2c_client *i2c)
@@ -110,19 +110,12 @@ static int max77705_i2c_probe(struct i2c_client *i2c)
ret = devm_regmap_add_irq_chip(dev, max77705->regmap,
i2c->irq,
- IRQF_ONESHOT | IRQF_SHARED, 0,
- &max77705_topsys_irq_chip,
+ IRQF_ONESHOT, 0,
+ &max77705_irq_chip,
&irq_data);
if (ret)
return dev_err_probe(dev, ret, "Failed to add IRQ chip\n");
- /* Unmask interrupts from all blocks in interrupt source register */
- ret = regmap_update_bits(max77705->regmap,
- MAX77705_PMIC_REG_INTSRC_MASK,
- MAX77705_SRC_IRQ_ALL, (unsigned int)~MAX77705_SRC_IRQ_ALL);
- if (ret < 0)
- return dev_err_probe(dev, ret, "Could not unmask interrupts in INTSRC\n");
-
domain = regmap_irq_get_domain(irq_data);
ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE,