linux-kernel - Re: [PATCH v2 2/4] power: supply: core: ease special formatting implementations

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Date: Wed, 27 Mar 2024 11:36:27 +0100
From: Hans de Goede <hdegoede@...hat.com>
To: Thomas Weißschuh <linux@...ssschuh.net>,
 Sebastian Reichel <sre@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
 Sebastian Reichel <sebastian.reichel@...labora.com>
Subject: Re: [PATCH v2 2/4] power: supply: core: ease special formatting
 implementations

Hi,

On 3/3/24 4:31 PM, Thomas Weißschuh wrote:
> By moving the conditional into the default-branch of the switch new
> additions to the switch won't have to bypass the conditional.
> 
> This makes it easier to implement those special cases like the upcoming
> change to the formatting of "charge_behaviour".
> 
> Suggested-by: Hans de Goede <hdegoede@...hat.com>
> Link: https://lore.kernel.org/lkml/53082075-852f-4698-b354-ed30e7fd2683@redhat.com/
> Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans




> ---
>  drivers/power/supply/power_supply_sysfs.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
> index 977611e16373..10fec411794b 100644
> --- a/drivers/power/supply/power_supply_sysfs.c
> +++ b/drivers/power/supply/power_supply_sysfs.c
> @@ -298,11 +298,6 @@ static ssize_t power_supply_show_property(struct device *dev,
>  		}
>  	}
>  
> -	if (ps_attr->text_values_len > 0 &&
> -	    value.intval < ps_attr->text_values_len && value.intval >= 0) {
> -		return sysfs_emit(buf, "%s\n", ps_attr->text_values[value.intval]);
> -	}
> -
>  	switch (psp) {
>  	case POWER_SUPPLY_PROP_USB_TYPE:
>  		ret = power_supply_show_usb_type(dev, psy->desc,
> @@ -312,7 +307,12 @@ static ssize_t power_supply_show_property(struct device *dev,
>  		ret = sysfs_emit(buf, "%s\n", value.strval);
>  		break;
>  	default:
> -		ret = sysfs_emit(buf, "%d\n", value.intval);
> +		if (ps_attr->text_values_len > 0 &&
> +				value.intval < ps_attr->text_values_len && value.intval >= 0) {
> +			ret = sysfs_emit(buf, "%s\n", ps_attr->text_values[value.intval]);
> +		} else {
> +			ret = sysfs_emit(buf, "%d\n", value.intval);
> +		}
>  	}
>  
>  	return ret;
>