linux-kernel - Re: [PATCH net-next 6/8] net: mscc: ocelot: strengthen type of "u32 reg" and "u32 base" in ocelot

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Date:   Wed, 12 Apr 2023 14:19:29 -0700
From:   Jacob Keller <jacob.e.keller@...el.com>
To:     Vladimir Oltean <vladimir.oltean@....com>, <netdev@...r.kernel.org>
CC:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "Claudiu Manoil" <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        <UNGLinuxDriver@...rochip.com>,
        Colin Foster <colin.foster@...advantage.com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next 6/8] net: mscc: ocelot: strengthen type of "u32
 reg" and "u32 base" in ocelot_stats.c



On 4/12/2023 5:47 AM, Vladimir Oltean wrote:
> Use the specific enum ocelot_reg to make it clear that the region
> registers are encoded and not plain addresses.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
> ---
>  drivers/net/ethernet/mscc/ocelot_stats.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ethernet/mscc/ocelot_stats.c b/drivers/net/ethernet/mscc/ocelot_stats.c
> index 99a14a942600..a381e326cb2b 100644
> --- a/drivers/net/ethernet/mscc/ocelot_stats.c
> +++ b/drivers/net/ethernet/mscc/ocelot_stats.c
> @@ -145,7 +145,7 @@ enum ocelot_stat {
>  };
>  
>  struct ocelot_stat_layout {
> -	u32 reg;
> +	enum ocelot_reg reg;
>  	char name[ETH_GSTRING_LEN];
>  };
>  
> @@ -257,7 +257,7 @@ struct ocelot_stat_layout {
>  
>  struct ocelot_stats_region {
>  	struct list_head node;
> -	u32 base;
> +	enum ocelot_reg base;
>  	enum ocelot_stat first_stat;
>  	int count;
>  	u32 *buf;
> @@ -889,7 +889,7 @@ static int ocelot_prepare_stats_regions(struct ocelot *ocelot)
>  {
>  	struct ocelot_stats_region *region = NULL;
>  	const struct ocelot_stat_layout *layout;
> -	unsigned int last = 0;
> +	enum ocelot_reg last = 0;
>  	int i;
>  
>  	INIT_LIST_HEAD(&ocelot->stats_regions);

Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>