Unverified Commit 83808c54 authored by Frieder Schrempf's avatar Frieder Schrempf Committed by Mark Brown
Browse files

regulator: pca9450: Make IRQ optional 



The IRQ line might not be connected on some boards. Allow the driver
to be probed without it.

Signed-off-by: default avatarFrieder Schrempf <frieder.schrempf@kontron.de>
Link: https://patch.msgid.link/20240708084107.38986-5-frieder@fris.de


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 60704710

drivers/regulator/pca9450-regulator.c

+19 −22
Original line number Diff line number Diff line
@@ -891,11 +891,6 @@ static int pca9450_i2c_probe(struct i2c_client *i2c) 
	unsigned int reset_ctrl;

	int ret;



	if (!i2c->irq) {

		dev_err(&i2c->dev, "No IRQ configured?\n");

		return -EINVAL;

	}



	pca9450 = devm_kzalloc(&i2c->dev, sizeof(struct pca9450), GFP_KERNEL);

	if (!pca9450)

		return -ENOMEM;
@@ -967,6 +962,7 @@ static int pca9450_i2c_probe(struct i2c_client *i2c) 
		}

	}



	if (pca9450->irq) {

		ret = devm_request_threaded_irq(pca9450->dev, pca9450->irq, NULL,

						pca9450_irq_handler,

						(IRQF_TRIGGER_FALLING | IRQF_ONESHOT),
@@ -985,6 +981,7 @@ static int pca9450_i2c_probe(struct i2c_client *i2c) 
			dev_err(&i2c->dev, "Unmask irq error\n");

			return ret;

		}

	}



	/* Clear PRESET_EN bit in BUCK123_DVS to use DVS registers */

	ret = regmap_clear_bits(pca9450->regmap, PCA9450_REG_BUCK123_DVS,