linux-kernel - Re: [PATCH v2 4/6] soc: hisilicon: kunpeng_hccs: Fix the 'lane_mode' field name in port info structure to 'max_lane

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Message-ID: <20240823094058.00002b9f@Huawei.com>
Date: Fri, 23 Aug 2024 09:40:58 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Huisong Li <lihuisong@...wei.com>
CC: <xuwei5@...ilicon.com>, <linux-kernel@...r.kernel.org>, <soc@...nel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <krzk@...nel.org>,
	<wanghuiqiang@...wei.com>, <liuyonglong@...wei.com>
Subject: Re: [PATCH v2 4/6] soc: hisilicon: kunpeng_hccs: Fix the
 'lane_mode' field name in port info structure to 'max_lane_num'

On Fri, 23 Aug 2024 11:10:57 +0800
Huisong Li <lihuisong@...wei.com> wrote:

> The lane mode of HCCS port is an information to user, and actually comes
> from the maximum lane number. But it is good and easy for driver to use
> the maximum lane number. So fix the 'lane_mode' field name in port info
> structure to 'max_lane_num'.
> 
> Signed-off-by: Huisong Li <lihuisong@...wei.com>

It's unfortunate we missed the ABI in the first place
as that's still confusingly names, but at least this improves things
in the driver.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>

> ---
>  drivers/soc/hisilicon/kunpeng_hccs.c | 4 ++--
>  drivers/soc/hisilicon/kunpeng_hccs.h | 4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/soc/hisilicon/kunpeng_hccs.c b/drivers/soc/hisilicon/kunpeng_hccs.c
> index 6055e5091cbd..418e4ee5d9e5 100644
> --- a/drivers/soc/hisilicon/kunpeng_hccs.c
> +++ b/drivers/soc/hisilicon/kunpeng_hccs.c
> @@ -594,7 +594,7 @@ static int hccs_get_all_port_info_on_die(struct hccs_dev *hdev,
>  		port = &die->ports[i];
>  		port->port_id = attrs[i].port_id;
>  		port->port_type = attrs[i].port_type;
> -		port->lane_mode = attrs[i].lane_mode;
> +		port->max_lane_num = attrs[i].max_lane_num;
>  		port->enable = attrs[i].enable;
>  		port->die = die;
>  	}
> @@ -839,7 +839,7 @@ static ssize_t lane_mode_show(struct kobject *kobj, struct kobj_attribute *attr,
>  {
>  	const struct hccs_port_info *port = kobj_to_port_info(kobj);
>  
> -	return sysfs_emit(buf, "x%u\n", port->lane_mode);
> +	return sysfs_emit(buf, "x%u\n", port->max_lane_num);
>  }
>  static struct kobj_attribute lane_mode_attr = __ATTR_RO(lane_mode);
>  
> diff --git a/drivers/soc/hisilicon/kunpeng_hccs.h b/drivers/soc/hisilicon/kunpeng_hccs.h
> index c3adbc01b471..5e12a1e1474e 100644
> --- a/drivers/soc/hisilicon/kunpeng_hccs.h
> +++ b/drivers/soc/hisilicon/kunpeng_hccs.h
> @@ -19,7 +19,7 @@
>  struct hccs_port_info {
>  	u8 port_id;
>  	u8 port_type;
> -	u8 lane_mode;
> +	u8 max_lane_num;
>  	bool enable; /* if the port is enabled */
>  	struct kobject kobj;
>  	bool dir_created;
> @@ -113,7 +113,7 @@ struct hccs_die_info_rsp_data {
>  struct hccs_port_attr {
>  	u8 port_id;
>  	u8 port_type;
> -	u8 lane_mode;
> +	u8 max_lane_num;
>  	u8 enable : 1; /* if the port is enabled */
>  	u16 rsv[2];
>  };