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path: root/drivers/regulator/pca9450-regulator.c
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Diffstat (limited to 'drivers/regulator/pca9450-regulator.c')
-rw-r--r--drivers/regulator/pca9450-regulator.c41
1 files changed, 19 insertions, 22 deletions
diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c
index be488c5dff14..9714afe347dc 100644
--- a/drivers/regulator/pca9450-regulator.c
+++ b/drivers/regulator/pca9450-regulator.c
@@ -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;
@@ -967,23 +962,25 @@ 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 */