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path: root/drivers/mfd/palmas.c
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Diffstat (limited to 'drivers/mfd/palmas.c')
-rw-r--r--drivers/mfd/palmas.c30
1 files changed, 22 insertions, 8 deletions
diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c
index 135afabe4ae..d280d789e55 100644
--- a/drivers/mfd/palmas.c
+++ b/drivers/mfd/palmas.c
@@ -368,6 +368,7 @@ static const struct of_device_id of_palmas_match_tbl[] = {
},
{ },
};
+MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);
static int palmas_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
@@ -402,7 +403,7 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
palmas->dev = &i2c->dev;
palmas->irq = i2c->irq;
- match = of_match_device(of_match_ptr(of_palmas_match_tbl), &i2c->dev);
+ match = of_match_device(of_palmas_match_tbl, &i2c->dev);
if (!match)
return -ENODATA;
@@ -421,7 +422,7 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
dev_err(palmas->dev,
"can't attach client %d\n", i);
ret = -ENOMEM;
- goto err;
+ goto err_i2c;
}
palmas->i2c_clients[i]->dev.of_node = of_node_get(node);
}
@@ -432,7 +433,7 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
dev_err(palmas->dev,
"Failed to allocate regmap %d, err: %d\n",
i, ret);
- goto err;
+ goto err_i2c;
}
}
@@ -451,7 +452,7 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
reg);
if (ret < 0) {
dev_err(palmas->dev, "POLARITY_CTRL updat failed: %d\n", ret);
- goto err;
+ goto err_i2c;
}
/* Change IRQ into clear on read mode for efficiency */
@@ -465,7 +466,7 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
IRQF_ONESHOT | pdata->irq_flags, 0, &palmas_irq_chip,
&palmas->irq_data);
if (ret < 0)
- goto err;
+ goto err_i2c;
no_irq:
slave = PALMAS_BASE_TO_SLAVE(PALMAS_PU_PD_OD_BASE);
@@ -551,7 +552,6 @@ no_irq:
} else if (pdata->pm_off && !pm_power_off) {
palmas_dev = palmas;
pm_power_off = palmas_power_off;
- return ret;
}
}
@@ -559,17 +559,31 @@ no_irq:
err_irq:
regmap_del_irq_chip(palmas->irq, palmas->irq_data);
-err:
+err_i2c:
+ for (i = 1; i < PALMAS_NUM_CLIENTS; i++) {
+ if (palmas->i2c_clients[i])
+ i2c_unregister_device(palmas->i2c_clients[i]);
+ }
return ret;
}
static int palmas_i2c_remove(struct i2c_client *i2c)
{
struct palmas *palmas = i2c_get_clientdata(i2c);
+ int i;
- mfd_remove_devices(palmas->dev);
regmap_del_irq_chip(palmas->irq, palmas->irq_data);
+ for (i = 1; i < PALMAS_NUM_CLIENTS; i++) {
+ if (palmas->i2c_clients[i])
+ i2c_unregister_device(palmas->i2c_clients[i]);
+ }
+
+ if (palmas == palmas_dev) {
+ pm_power_off = NULL;
+ palmas_dev = NULL;
+ }
+
return 0;
}