Merge tag 'regulator-fix-v6.6-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A couple of fixes that came in during the merge window, both driver
  specific - one for a bug that came up in testing, one for a bug due
  to a misreading of the datasheet"

* tag 'regulator-fix-v6.6-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: tps6594-regulator: Fix random kernel crash
  regulator: tps6287x: Fix n_voltages

Author: torvalds

drivers/regulator/tps6287x-regulator.c

@@ -119,7 +119,7 @@ static struct regulator_desc tps6287x_reg = {
 	.ramp_mask = TPS6287X_CTRL1_VRAMP,
 	.ramp_delay_table = tps6287x_ramp_table,
 	.n_ramp_values = ARRAY_SIZE(tps6287x_ramp_table),
-	.n_voltages = 256,
+	.n_voltages = 256 * ARRAY_SIZE(tps6287x_voltage_ranges),
 	.linear_ranges = tps6287x_voltage_ranges,
 	.n_linear_ranges = ARRAY_SIZE(tps6287x_voltage_ranges),
 	.linear_range_selectors_bitfield = tps6287x_voltage_range_sel,

drivers/regulator/tps6594-regulator.c

@@ -384,21 +384,19 @@ static int tps6594_request_reg_irqs(struct platform_device *pdev,
 		if (irq < 0)
 			return -EINVAL;
 
-		irq_data[*irq_idx + j].dev = tps->dev;
-		irq_data[*irq_idx + j].type = irq_type;
-		irq_data[*irq_idx + j].rdev = rdev;
+		irq_data[*irq_idx].dev = tps->dev;
+		irq_data[*irq_idx].type = irq_type;
+		irq_data[*irq_idx].rdev = rdev;
 
 		error = devm_request_threaded_irq(tps->dev, irq, NULL,
-						  tps6594_regulator_irq_handler,
-						  IRQF_ONESHOT,
-						  irq_type->irq_name,
-						  &irq_data[*irq_idx]);
-		(*irq_idx)++;
+						  tps6594_regulator_irq_handler, IRQF_ONESHOT,
+						  irq_type->irq_name, &irq_data[*irq_idx]);
 		if (error) {
 			dev_err(tps->dev, "tps6594 failed to request %s IRQ %d: %d\n",
 				irq_type->irq_name, irq, error);
 			return error;
 		}
+		(*irq_idx)++;
 	}
 	return 0;
 }
@@ -420,8 +418,8 @@ static int tps6594_regulator_probe(struct platform_device *pdev)
 	int error, i, irq, multi, delta;
 	int irq_idx = 0;
 	int buck_idx = 0;
-	int ext_reg_irq_nb = 2;
-
+	size_t ext_reg_irq_nb = 2;
+	size_t reg_irq_nb;
 	enum {
 		MULTI_BUCK12,
 		MULTI_BUCK123,
@@ -484,15 +482,16 @@ static int tps6594_regulator_probe(struct platform_device *pdev)
 		}
 	}
 
-	if (tps->chip_id == LP8764)
+	if (tps->chip_id == LP8764) {
 		/* There is only 4 buck on LP8764 */
 		buck_configured[4] = 1;
+		reg_irq_nb = size_mul(REGS_INT_NB, (BUCK_NB - 1));
+	} else {
+		reg_irq_nb = size_mul(REGS_INT_NB, (size_add(BUCK_NB, LDO_NB)));
+	}
 
-	irq_data = devm_kmalloc_array(tps->dev,
-				REGS_INT_NB * sizeof(struct tps6594_regulator_irq_data),
-				ARRAY_SIZE(tps6594_bucks_irq_types) +
-				ARRAY_SIZE(tps6594_ldos_irq_types),
-				GFP_KERNEL);
+	irq_data = devm_kmalloc_array(tps->dev, reg_irq_nb,
+				      sizeof(struct tps6594_regulator_irq_data), GFP_KERNEL);
 	if (!irq_data)
 		return -ENOMEM;