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| author | Frieder Schrempf <frieder.schrempf@kontron.de> | 2024-07-08 10:40:34 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-03-25 11:05:47 +0100 |
| commit | 28986d1c093fb0c39d7ca37e99e17202535ff840 (patch) | |
| tree | 8c478f91972a84941955e5d2239197a47b81605a /drivers/regulator | |
| parent | 54080355999381fed4a26129579a5765bab87491 (diff) | |
| download | linux-28986d1c093fb0c39d7ca37e99e17202535ff840.tar.gz linux-28986d1c093fb0c39d7ca37e99e17202535ff840.tar.bz2 linux-28986d1c093fb0c39d7ca37e99e17202535ff840.zip | |
regulator: pca9450: Make IRQ optional
[ Upstream commit 83808c54064eef620ad8645dfdcaffe125551532 ]
The IRQ line might not be connected on some boards. Allow the driver
to be probed without it.
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Link: https://patch.msgid.link/20240708084107.38986-5-frieder@fris.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Stable-dep-of: 5d0efaf47ee9 ("regulator: pca9450: Correct interrupt type")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/pca9450-regulator.c | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c index 2ab365d2749f..b8f7b13b0cb0 100644 --- a/drivers/regulator/pca9450-regulator.c +++ b/drivers/regulator/pca9450-regulator.c @@ -711,11 +711,6 @@ 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; @@ -782,23 +777,25 @@ static int pca9450_i2c_probe(struct i2c_client *i2c) } } - ret = devm_request_threaded_irq(pca9450->dev, pca9450->irq, NULL, - pca9450_irq_handler, - (IRQF_TRIGGER_FALLING | IRQF_ONESHOT), - "pca9450-irq", pca9450); - if (ret != 0) { - dev_err(pca9450->dev, "Failed to request IRQ: %d\n", - pca9450->irq); - return ret; - } - /* Unmask all interrupt except PWRON/WDOG/RSVD */ - ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_INT1_MSK, - IRQ_VR_FLT1 | IRQ_VR_FLT2 | IRQ_LOWVSYS | - IRQ_THERM_105 | IRQ_THERM_125, - IRQ_PWRON | IRQ_WDOGB | IRQ_RSVD); - if (ret) { - dev_err(&i2c->dev, "Unmask irq error\n"); - return ret; + if (pca9450->irq) { + ret = devm_request_threaded_irq(pca9450->dev, pca9450->irq, NULL, + pca9450_irq_handler, + (IRQF_TRIGGER_FALLING | IRQF_ONESHOT), + "pca9450-irq", pca9450); + if (ret != 0) { + dev_err(pca9450->dev, "Failed to request IRQ: %d\n", + pca9450->irq); + return ret; + } + /* Unmask all interrupt except PWRON/WDOG/RSVD */ + ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_INT1_MSK, + IRQ_VR_FLT1 | IRQ_VR_FLT2 | IRQ_LOWVSYS | + IRQ_THERM_105 | IRQ_THERM_125, + IRQ_PWRON | IRQ_WDOGB | IRQ_RSVD); + if (ret) { + dev_err(&i2c->dev, "Unmask irq error\n"); + return ret; + } } /* Clear PRESET_EN bit in BUCK123_DVS to use DVS registers */ |