mfd: rc5t583: Use devm_mfd_add_devices and devm_request_threaded_irq
Use devm_mfd_add_devices() for adding MFD child devices and
devm_request_threaded_irq() for IRQ registration.
This reduces the need of remove callback for removing MFD child
devices and unregistering IRQ.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/rc5t583-irq.c b/drivers/mfd/rc5t583-irq.c
index 3f8812d..f8dde59 100644
--- a/drivers/mfd/rc5t583-irq.c
+++ b/drivers/mfd/rc5t583-irq.c
@@ -389,17 +389,10 @@
irq_clear_status_flags(__irq, IRQ_NOREQUEST);
}
- ret = request_threaded_irq(irq, NULL, rc5t583_irq, IRQF_ONESHOT,
- "rc5t583", rc5t583);
+ ret = devm_request_threaded_irq(rc5t583->dev, irq, NULL, rc5t583_irq,
+ IRQF_ONESHOT, "rc5t583", rc5t583);
if (ret < 0)
dev_err(rc5t583->dev,
"Error in registering interrupt error: %d\n", ret);
return ret;
}
-
-int rc5t583_irq_exit(struct rc5t583 *rc5t583)
-{
- if (rc5t583->chip_irq)
- free_irq(rc5t583->chip_irq, rc5t583);
- return 0;
-}
diff --git a/drivers/mfd/rc5t583.c b/drivers/mfd/rc5t583.c
index fc2b2d9..d12243d 100644
--- a/drivers/mfd/rc5t583.c
+++ b/drivers/mfd/rc5t583.c
@@ -252,7 +252,6 @@
struct rc5t583 *rc5t583;
struct rc5t583_platform_data *pdata = dev_get_platdata(&i2c->dev);
int ret;
- bool irq_init_success = false;
if (!pdata) {
dev_err(&i2c->dev, "Err: Platform data not found\n");
@@ -284,32 +283,16 @@
/* Still continue with warning, if irq init fails */
if (ret)
dev_warn(&i2c->dev, "IRQ init failed: %d\n", ret);
- else
- irq_init_success = true;
}
- ret = mfd_add_devices(rc5t583->dev, -1, rc5t583_subdevs,
- ARRAY_SIZE(rc5t583_subdevs), NULL, 0, NULL);
+ ret = devm_mfd_add_devices(rc5t583->dev, -1, rc5t583_subdevs,
+ ARRAY_SIZE(rc5t583_subdevs), NULL, 0, NULL);
if (ret) {
dev_err(&i2c->dev, "add mfd devices failed: %d\n", ret);
- goto err_add_devs;
+ return ret;
}
return 0;
-
-err_add_devs:
- if (irq_init_success)
- rc5t583_irq_exit(rc5t583);
- return ret;
-}
-
-static int rc5t583_i2c_remove(struct i2c_client *i2c)
-{
- struct rc5t583 *rc5t583 = i2c_get_clientdata(i2c);
-
- mfd_remove_devices(rc5t583->dev);
- rc5t583_irq_exit(rc5t583);
- return 0;
}
static const struct i2c_device_id rc5t583_i2c_id[] = {
@@ -324,7 +307,6 @@
.name = "rc5t583",
},
.probe = rc5t583_i2c_probe,
- .remove = rc5t583_i2c_remove,
.id_table = rc5t583_i2c_id,
};