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[net-next,6/6,v6] net: dsa: rtl8366: Drop and depromote pointless prints

Message ID 20210925132311.2040272-7-linus.walleij@linaro.org (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series RTL8366(RB) cleanups part 1 | expand

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Commit Message

Linus Walleij Sept. 25, 2021, 1:23 p.m. UTC 
We don't need a message for every VLAN association, dbg
is fine. The message about adding the DSA or CPU
port to a VLAN is directly misleading, this is perfectly
fine.

Cc: Vladimir Oltean <olteanv@gmail.com>
Cc: Mauri Sandberg <sandberg@mailfence.com>
Cc: Alvin Šipraga <alsi@bang-olufsen.dk>
Cc: DENG Qingfang <dqfext@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
ChangeLog v5->v6:
- No changes just resending with the rest of the
  patches.
ChangeLog v4->v5:
- Collect Florians review tag.
ChangeLog v1->v4:
- New patch to deal with confusing messages and too talkative
  DSA bridge.
---
 drivers/net/dsa/rtl8366.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

Comments

Alvin Šipraga Sept. 25, 2021, 5:19 p.m. UTC | #1 
On 9/25/21 3:23 PM, Linus Walleij wrote:
> We don't need a message for every VLAN association, dbg
> is fine. The message about adding the DSA or CPU
> port to a VLAN is directly misleading, this is perfectly
> fine.
> 
> Cc: Vladimir Oltean <olteanv@gmail.com>
> Cc: Mauri Sandberg <sandberg@mailfence.com>
> Cc: Alvin Šipraga <alsi@bang-olufsen.dk>
> Cc: DENG Qingfang <dqfext@gmail.com>
> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---

Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>

> ChangeLog v5->v6:
> - No changes just resending with the rest of the
>    patches.
> ChangeLog v4->v5:
> - Collect Florians review tag.
> ChangeLog v1->v4:
> - New patch to deal with confusing messages and too talkative
>    DSA bridge.
> ---
>   drivers/net/dsa/rtl8366.c | 11 ++++-------
>   1 file changed, 4 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/net/dsa/rtl8366.c b/drivers/net/dsa/rtl8366.c
> index f815cd16ad48..bb6189aedcd4 100644
> --- a/drivers/net/dsa/rtl8366.c
> +++ b/drivers/net/dsa/rtl8366.c
> @@ -318,12 +318,9 @@ int rtl8366_vlan_add(struct dsa_switch *ds, int port,
>   		return ret;
>   	}
>   
> -	dev_info(smi->dev, "add VLAN %d on port %d, %s, %s\n",
> -		 vlan->vid, port, untagged ? "untagged" : "tagged",
> -		 pvid ? " PVID" : "no PVID");
> -
> -	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
> -		dev_err(smi->dev, "port is DSA or CPU port\n");
> +	dev_dbg(smi->dev, "add VLAN %d on port %d, %s, %s\n",
> +		vlan->vid, port, untagged ? "untagged" : "tagged",
> +		pvid ? " PVID" : "no PVID");

s/" PVID"/"PVID"/

>   
>   	member |= BIT(port);
>   
> @@ -356,7 +353,7 @@ int rtl8366_vlan_del(struct dsa_switch *ds, int port,
>   	struct realtek_smi *smi = ds->priv;
>   	int ret, i;
>   
> -	dev_info(smi->dev, "del VLAN %04x on port %d\n", vlan->vid, port);
> +	dev_dbg(smi->dev, "del VLAN %d on port %d\n", vlan->vid, port);
>   
>   	for (i = 0; i < smi->num_vlan_mc; i++) {
>   		struct rtl8366_vlan_mc vlanmc;
>
Vladimir Oltean Sept. 25, 2021, 6:56 p.m. UTC | #2 
On Sat, Sep 25, 2021 at 03:23:11PM +0200, Linus Walleij wrote:
> We don't need a message for every VLAN association, dbg
> is fine. The message about adding the DSA or CPU
> port to a VLAN is directly misleading, this is perfectly
> fine.
>
> Cc: Vladimir Oltean <olteanv@gmail.com>
> Cc: Mauri Sandberg <sandberg@mailfence.com>
> Cc: Alvin Šipraga <alsi@bang-olufsen.dk>
> Cc: DENG Qingfang <dqfext@gmail.com>
> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
> ChangeLog v5->v6:
> - No changes just resending with the rest of the
>   patches.
> ChangeLog v4->v5:
> - Collect Florians review tag.
> ChangeLog v1->v4:
> - New patch to deal with confusing messages and too talkative
>   DSA bridge.
> ---
>  drivers/net/dsa/rtl8366.c | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/net/dsa/rtl8366.c b/drivers/net/dsa/rtl8366.c
> index f815cd16ad48..bb6189aedcd4 100644
> --- a/drivers/net/dsa/rtl8366.c
> +++ b/drivers/net/dsa/rtl8366.c
> @@ -318,12 +318,9 @@ int rtl8366_vlan_add(struct dsa_switch *ds, int port,
>  		return ret;
>  	}
>
> -	dev_info(smi->dev, "add VLAN %d on port %d, %s, %s\n",
> -		 vlan->vid, port, untagged ? "untagged" : "tagged",
> -		 pvid ? " PVID" : "no PVID");
> -
> -	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
> -		dev_err(smi->dev, "port is DSA or CPU port\n");
> +	dev_dbg(smi->dev, "add VLAN %d on port %d, %s, %s\n",
> +		vlan->vid, port, untagged ? "untagged" : "tagged",
> +		pvid ? " PVID" : "no PVID");

This is better, not going to complain too much, but I mean,
rtl8366_set_vlan and rtl8366_set_pvid already have debugging prints in
them, how can you tolerate so many superfluous prints, what do they
bring useful?

>
>  	member |= BIT(port);
>
> @@ -356,7 +353,7 @@ int rtl8366_vlan_del(struct dsa_switch *ds, int port,
>  	struct realtek_smi *smi = ds->priv;
>  	int ret, i;
>
> -	dev_info(smi->dev, "del VLAN %04x on port %d\n", vlan->vid, port);
> +	dev_dbg(smi->dev, "del VLAN %d on port %d\n", vlan->vid, port);
>
>  	for (i = 0; i < smi->num_vlan_mc; i++) {
>  		struct rtl8366_vlan_mc vlanmc;
> --
> 2.31.1
>
Linus Walleij Sept. 25, 2021, 10:54 p.m. UTC | #3 
On Sat, Sep 25, 2021 at 8:56 PM Vladimir Oltean <olteanv@gmail.com> wrote:

> > -     dev_info(smi->dev, "add VLAN %d on port %d, %s, %s\n",
> > -              vlan->vid, port, untagged ? "untagged" : "tagged",
> > -              pvid ? " PVID" : "no PVID");
> > -
> > -     if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
> > -             dev_err(smi->dev, "port is DSA or CPU port\n");
> > +     dev_dbg(smi->dev, "add VLAN %d on port %d, %s, %s\n",
> > +             vlan->vid, port, untagged ? "untagged" : "tagged",
> > +             pvid ? " PVID" : "no PVID");
>
> This is better, not going to complain too much, but I mean,
> rtl8366_set_vlan and rtl8366_set_pvid already have debugging prints in
> them, how can you tolerate so many superfluous prints, what do they
> bring useful?

I actually use them ... I suppose one can use ftrace instead
and/or gdb, but I'm one of those die hard printk() debuggers
and I like to follow what happens like that.

When the driver gets mature we can delete most  or all of the
dev_dbg() messages I think.

Yours,
Linus Walleij
diff mbox series

Patch

diff --git a/drivers/net/dsa/rtl8366.c b/drivers/net/dsa/rtl8366.c
index f815cd16ad48..bb6189aedcd4 100644
--- a/drivers/net/dsa/rtl8366.c
+++ b/drivers/net/dsa/rtl8366.c
@@ -318,12 +318,9 @@  int rtl8366_vlan_add(struct dsa_switch *ds, int port,
 		return ret;
 	}
 
-	dev_info(smi->dev, "add VLAN %d on port %d, %s, %s\n",
-		 vlan->vid, port, untagged ? "untagged" : "tagged",
-		 pvid ? " PVID" : "no PVID");
-
-	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
-		dev_err(smi->dev, "port is DSA or CPU port\n");
+	dev_dbg(smi->dev, "add VLAN %d on port %d, %s, %s\n",
+		vlan->vid, port, untagged ? "untagged" : "tagged",
+		pvid ? " PVID" : "no PVID");
 
 	member |= BIT(port);
 
@@ -356,7 +353,7 @@  int rtl8366_vlan_del(struct dsa_switch *ds, int port,
 	struct realtek_smi *smi = ds->priv;
 	int ret, i;
 
-	dev_info(smi->dev, "del VLAN %04x on port %d\n", vlan->vid, port);
+	dev_dbg(smi->dev, "del VLAN %d on port %d\n", vlan->vid, port);
 
 	for (i = 0; i < smi->num_vlan_mc; i++) {
 		struct rtl8366_vlan_mc vlanmc;