[PATCH v3 15/15] mfd: menelaus: Use devm_request_threaded_irq()

Felipe Balbi
2013-12-09T16:22:46Z

By using devm_request_threaded_irq() we can drop a few extra lines of
code and rely on device managed resources layer to free our IRQ for us.

Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---
drivers/mfd/menelaus.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c
index bffe978..b87c2bd 100644
--- a/drivers/mfd/menelaus.c
+++ b/drivers/mfd/menelaus.c
@@ -1271,8 +1271,8 @@ static int menelaus_probe(struct i2c_client *client,
/* Set output buffer strengths */
menelaus_write_reg(m, MENELAUS_MCT_CTRL1, 0x73);

- err = request_threaded_irq(client->irq, NULL, menelaus_irq,
- IRQF_ONESHOT, DRIVER_NAME, m);
+ err = devm_request_threaded_irq(&client->dev, client->irq,
+ NULL, menelaus_irq, IRQF_ONESHOT, DRIVER_NAME, m);
if (err) {
dev_dbg(&client->dev, "can't get IRQ %d, err %d\n",
client->irq, err);
@@ -1283,7 +1283,7 @@ static int menelaus_probe(struct i2c_client *client,

val = menelaus_read_reg(m, MENELAUS_VCORE_CTRL1);
if (val < 0)
- goto fail_free_irq;
+ goto fail_free_descs;
if (val & (1 << 7))
m->vcore_hw_mode = 1;
else
@@ -1292,14 +1292,12 @@ static int menelaus_probe(struct i2c_client *client,
if (menelaus_pdata != NULL && menelaus_pdata->late_init != NULL) {
err = menelaus_pdata->late_init(&client->dev);
if (err < 0)
- goto fail_free_irq;
+ goto fail_free_descs;
}

menelaus_rtc_init(m);

return 0;
-fail_free_irq:
- free_irq(client->irq, m);

fail_free_descs:
irq_free_descs(irq_base, MENELAUS_NR_IRQS);
@@ -1311,7 +1309,6 @@ static int menelaus_remove(struct i2c_client *client)
{
struct menelaus_chip *m = i2c_get_clientdata(client);

- free_irq(client->irq, m);
irq_free_descs(m->irq_base, MENELAUS_NR_IRQS);
the_menelaus = NULL;
return 0;
--
1.8.4.GIT