Re: [PATCH v3] mfd: tps65218: Use devm_regmap_add_irq_chip and clean up error path in probe

From: Sebastian Reichel
Date: Sun Dec 09 2018 - 17:45:57 EST


Hi,

On Sun, Dec 09, 2018 at 07:29:31PM +0530, Keerthy wrote:
> Use devm_regmap_add_irq_chip and clean up error path in probe
> and also the remove function.
>
> Reported-by: Christian Hohnstaedt <Christian.Hohnstaedt@xxxxxxxx>
> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>

-- Sebastian

>
> Changes in v2:
>
> * Cleaned up remove function as well.
>
> Changes in v3:
>
> * Deleted the remove function which was just returning 0
>
> drivers/mfd/tps65218.c | 24 +++---------------------
> 1 file changed, 3 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/mfd/tps65218.c b/drivers/mfd/tps65218.c
> index 910f569..8bcdecf 100644
> --- a/drivers/mfd/tps65218.c
> +++ b/drivers/mfd/tps65218.c
> @@ -235,9 +235,9 @@ static int tps65218_probe(struct i2c_client *client,
>
> mutex_init(&tps->tps_lock);
>
> - ret = regmap_add_irq_chip(tps->regmap, tps->irq,
> - IRQF_ONESHOT, 0, &tps65218_irq_chip,
> - &tps->irq_data);
> + ret = devm_regmap_add_irq_chip(&client->dev, tps->regmap, tps->irq,
> + IRQF_ONESHOT, 0, &tps65218_irq_chip,
> + &tps->irq_data);
> if (ret < 0)
> return ret;
>
> @@ -253,26 +253,9 @@ static int tps65218_probe(struct i2c_client *client,
> ARRAY_SIZE(tps65218_cells), NULL, 0,
> regmap_irq_get_domain(tps->irq_data));
>
> - if (ret < 0)
> - goto err_irq;
> -
> - return 0;
> -
> -err_irq:
> - regmap_del_irq_chip(tps->irq, tps->irq_data);
> -
> return ret;
> }
>
> -static int tps65218_remove(struct i2c_client *client)
> -{
> - struct tps65218 *tps = i2c_get_clientdata(client);
> -
> - regmap_del_irq_chip(tps->irq, tps->irq_data);
> -
> - return 0;
> -}
> -
> static const struct i2c_device_id tps65218_id_table[] = {
> { "tps65218", TPS65218 },
> { },
> @@ -285,7 +268,6 @@ static int tps65218_remove(struct i2c_client *client)
> .of_match_table = of_tps65218_match_table,
> },
> .probe = tps65218_probe,
> - .remove = tps65218_remove,
> .id_table = tps65218_id_table,
> };
>
> --
> 1.9.1
>

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