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SubjectRe: [PATCH v3 10/12] mfd: bd9571mwv: Use devm_regmap_add_irq_chip()
Date

On Wed, 2020-12-16 at 16:37 +0900, Yoshihiro Shimoda wrote:
> Use dev_regmap_add_irq_chip() to simplify the code.
>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>

> ---
> drivers/mfd/bd9571mwv.c | 27 ++++++---------------------
> 1 file changed, 6 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/mfd/bd9571mwv.c b/drivers/mfd/bd9571mwv.c
> index e68c3fa..49e968e 100644
> --- a/drivers/mfd/bd9571mwv.c
> +++ b/drivers/mfd/bd9571mwv.c
> @@ -170,31 +170,17 @@ static int bd9571mwv_probe(struct i2c_client
> *client,
> if (ret)
> return ret;
>
> - ret = regmap_add_irq_chip(bd->regmap, bd->irq, IRQF_ONESHOT, 0,
> - &bd9571mwv_irq_chip, &bd->irq_data);
> + ret = devm_regmap_add_irq_chip(bd->dev, bd->regmap, bd->irq,
> + IRQF_ONESHOT, 0,
> &bd9571mwv_irq_chip,
> + &bd->irq_data);
> if (ret) {
> dev_err(bd->dev, "Failed to register IRQ chip\n");
> return ret;
> }
>
> - ret = devm_mfd_add_devices(bd->dev, PLATFORM_DEVID_AUTO,
> - bd9571mwv_cells,
> ARRAY_SIZE(bd9571mwv_cells),
> - NULL, 0, regmap_irq_get_domain(bd-
> >irq_data));

The funny diff formatting got me fooled. I spent a while wondering why
you do remove the devm_mfd_add_devices - untill I noticed that it was
just the diff playing tricks - it is added back in the remove. I should
practice my diff reading skills :) But the result looks good and clean
to me!

> - if (ret) {
> - regmap_del_irq_chip(bd->irq, bd->irq_data);
> - return ret;
> - }
> -
> - return 0;
> -}
> -
> -static int bd9571mwv_remove(struct i2c_client *client)
> -{
> - struct bd9571mwv *bd = i2c_get_clientdata(client);
> -
> - regmap_del_irq_chip(bd->irq, bd->irq_data);
> -
> - return 0;
> + return devm_mfd_add_devices(bd->dev, PLATFORM_DEVID_AUTO,
> + bd9571mwv_cells,
> ARRAY_SIZE(bd9571mwv_cells),
> + NULL, 0, regmap_irq_get_domain(bd-
> >irq_data));
> }
>
> static const struct of_device_id bd9571mwv_of_match_table[] = {
> @@ -215,7 +201,6 @@ static struct i2c_driver bd9571mwv_driver = {
> .of_match_table = bd9571mwv_of_match_table,
> },
> .probe = bd9571mwv_probe,
> - .remove = bd9571mwv_remove,
> .id_table = bd9571mwv_id_table,
> };
> module_i2c_driver(bd9571mwv_driver);

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