[PATCH 2/8] lp8727_charger: cleanup _probe() and _remove()

From: Kim, Milo
Date: Thu Aug 30 2012 - 07:38:23 EST


(a) register the power supply prior to creating irq handler
After reordering the sequence, the interrupt issue can be gone
when the power supply registration gets failed
(b) remove unnecessary goto statements
(c) unregister the power supply after releasing irq resources
in reverse order of _probe()

Signed-off-by: Milo(Woogyom) Kim <milo.kim@xxxxxx>
---
drivers/power/lp8727_charger.c | 20 +++++++++-----------
1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c
index fb3d7ac..4d51909 100644
--- a/drivers/power/lp8727_charger.c
+++ b/drivers/power/lp8727_charger.c
@@ -442,35 +442,33 @@ static int lp8727_probe(struct i2c_client *cl, const struct i2c_device_id *id)
ret = lp8727_init_device(pchg);
if (ret) {
dev_err(pchg->dev, "i2c communication err: %d", ret);
- goto error;
+ return ret;
}

- ret = lp8727_intr_config(pchg);
+ ret = lp8727_register_psy(pchg);
if (ret) {
- dev_err(pchg->dev, "irq handler err: %d", ret);
- goto error;
+ dev_err(pchg->dev, "power supplies register err: %d", ret);
+ return ret;
}

- ret = lp8727_register_psy(pchg);
+ ret = lp8727_intr_config(pchg);
if (ret) {
- dev_err(pchg->dev, "power supplies register err: %d", ret);
- goto error;
+ dev_err(pchg->dev, "irq handler err: %d", ret);
+ lp8727_unregister_psy(pchg);
+ return ret;
}

return 0;
-
-error:
- return ret;
}

static int __devexit lp8727_remove(struct i2c_client *cl)
{
struct lp8727_chg *pchg = i2c_get_clientdata(cl);

- lp8727_unregister_psy(pchg);
free_irq(pchg->client->irq, pchg);
flush_workqueue(pchg->irqthread);
destroy_workqueue(pchg->irqthread);
+ lp8727_unregister_psy(pchg);
return 0;
}

--
1.7.9.5


Best Regards,
Milo


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