Re: [PATCH v2 3/4] mfd: max77686: Use the struct i2c_driver .probe_new instead of .probe

From: Lee Jones
Date: Mon Jan 23 2017 - 06:32:36 EST


On Fri, 13 Jan 2017, Javier Martinez Canillas wrote:

> If a driver is only used in DT platforms, there's no need to get the
> i2c_device_id as an argument of the probe function. Since this data
> can be get from the matching of_device_id.
>
> There's a temporary .probe_new field in struct i2c_driver that can be
> used as probe callback for the case when i2c_device_id won't be used.
>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
> Acked-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
> Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> Tested-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
>
> ---
>
> Changes in v2:
> - Add Laxman's Acked-by tag to patch 3/4.
> - Add Krzysztof's Reviewed-by and Tested-by tags to patch 3/4.
>
> drivers/mfd/max77686.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)

Applied, thanks.

> diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
> index 33dd09493605..896c1bf85acc 100644
> --- a/drivers/mfd/max77686.c
> +++ b/drivers/mfd/max77686.c
> @@ -172,8 +172,7 @@ static const struct of_device_id max77686_pmic_dt_match[] = {
> };
> MODULE_DEVICE_TABLE(of, max77686_pmic_dt_match);
>
> -static int max77686_i2c_probe(struct i2c_client *i2c,
> - const struct i2c_device_id *id)
> +static int max77686_i2c_probe(struct i2c_client *i2c)
> {
> struct max77686_dev *max77686 = NULL;
> unsigned int data;
> @@ -294,7 +293,7 @@ static struct i2c_driver max77686_i2c_driver = {
> .pm = &max77686_pm,
> .of_match_table = of_match_ptr(max77686_pmic_dt_match),
> },
> - .probe = max77686_i2c_probe,
> + .probe_new = max77686_i2c_probe,
> .id_table = max77686_i2c_id,
> };
>

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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