linux-kernel - Re: [PATCH net-next 4/5] net: dsa: add slave get master helper

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Date:   Thu, 12 Oct 2017 19:23:34 -0400
From:   Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:     Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH net-next 4/5] net: dsa: add slave get master helper

Hi Florian,

Florian Fainelli <f.fainelli@...il.com> writes:

> On 10/12/2017 03:51 PM, Vivien Didelot wrote:
>> Many part of the DSA slave code require to get the master device
>> assigned to a slave device. Remove dsa_master_netdev() in favor of a
>> dsa_slave_get_master() helper which does that.
>> 
>> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
>> ---
>
>> +static inline struct net_device *
>> +dsa_slave_get_master(const struct net_device *dev)
>> +{
>> +	struct dsa_port *dp = dsa_slave_to_port(dev);
>> +
>> +	return dp->cpu_dp->netdev;
>> +}
>
> Nit: _get may convey the idea that a reference count may be incremented
> when the function is called (balanced with a _put), so maybe name it
> dsa_slave_to_master() which is more in line with dsa_slave_to_port() as
> well? Other than that:
>
> Reviewed-by: Florian Fainelli <f.fainelli@...il.com>

Perfect, I was hesitating myself between the two, but I didn't have a
good argument for any of them. Now I have one! I'll change that for
dsa_slave_to_master and add your tag.


Thanks,

        Vivien