[PATCH 2/5] realtek: simplify log messages in rtl83xx_mdio_probe

Andreas Oberritter obi at saftware.de
Sat Oct 15 04:07:14 PDT 2022


Hello Jan!

On Fri, 14 Oct 2022 23:06:15 +0200
Jan Hoffmann <jan at 3e8.eu> wrote:

> This function currently prints three messages for every switch port at
> KERN_INFO level. This takes a considerable amount of time during bootup
> and can even trigger an external watchdog.
> 
> Replace these log messages by a single one at KERN_DEBUG level.
> 
> Signed-off-by: Jan Hoffmann <jan at 3e8.eu>
> ---
>  .../linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/common.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/common.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/common.c
> index 2a60f61c9582..13e63a5f0c5d 100644
> --- a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/common.c
> +++ b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/common.c
> @@ -323,7 +323,6 @@ static int __init rtl83xx_mdio_probe(struct rtl838x_switch_priv *priv)
>  		if (of_property_read_u32(dn, "reg", &pn))
>  			continue;
>  
> -		pr_info("%s found port %d\n", __func__, pn);
>  		phy_node = of_parse_phandle(dn, "phy-handle", 0);
>  		if (!phy_node) {
>  			if (pn != priv->cpu_port)
> @@ -331,14 +330,13 @@ static int __init rtl83xx_mdio_probe(struct rtl838x_switch_priv *priv)
>  			continue;
>  		}
>  
> -		pr_info("%s port %d has phandle\n", __func__, pn);
>  		if (of_property_read_u32(phy_node, "sds", &priv->ports[pn].sds_num))
>  			priv->ports[pn].sds_num = -1;
>  		else {
>  			pr_info("%s sds port %d is %d\n", __func__, pn,
>  				priv->ports[pn].sds_num);
>  		}

The else block should probably get removed with your patch, because it prints redundant information only.

> -		pr_info("%s port %d has SDS\n", __func__, priv->ports[pn].sds_num);
> +		pr_debug("%s port %d has SDS %d\n", __func__, pn, priv->ports[pn].sds_num);
>  
>  		if (of_get_phy_mode(dn, &interface))
>  			interface = PHY_INTERFACE_MODE_NA;

Best regards,
Andreas



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