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mfd: palmas: Check if irq is valid

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Check if irq value obtained is valid. If it is not valid
then skip the irq request step and go ahead with the probe.

Signed-off-by: J Keerthy <j-keerthy@ti.com>
Reviewed-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
J Keerthy
2013-06-19 11:27:47 +05:30
committed by Samuel Ortiz
parent 283aae8ab8
commit ad522f4e35
1 changed files with 6 additions and 0 deletions
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6
drivers/mfd/palmas.c
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@@ -290,6 +290,11 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
} }
} }
if (!palmas->irq) {
dev_warn(palmas->dev, "IRQ missing: skipping irq request\n");
goto no_irq;
}
/* Change interrupt line output polarity */ /* Change interrupt line output polarity */
if (pdata->irq_flags & IRQ_TYPE_LEVEL_HIGH) if (pdata->irq_flags & IRQ_TYPE_LEVEL_HIGH)
reg = PALMAS_POLARITY_CTRL_INT_POLARITY; reg = PALMAS_POLARITY_CTRL_INT_POLARITY;
@@ -316,6 +321,7 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
if (ret < 0) if (ret < 0)
goto err; goto err;
no_irq:
slave = PALMAS_BASE_TO_SLAVE(PALMAS_PU_PD_OD_BASE); slave = PALMAS_BASE_TO_SLAVE(PALMAS_PU_PD_OD_BASE);
addr = PALMAS_BASE_TO_REG(PALMAS_PU_PD_OD_BASE, addr = PALMAS_BASE_TO_REG(PALMAS_PU_PD_OD_BASE,
PALMAS_PRIMARY_SECONDARY_PAD1); PALMAS_PRIMARY_SECONDARY_PAD1);