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Date:   Wed, 16 Feb 2022 21:55:17 +0200
From:   Vladimir Oltean <olteanv@gmail.com>
To:     kernel test robot <lkp@intel.com>
Cc:     Mans Rullgard <mans@mansr.com>, Andrew Lunn <andrew@lunn.ch>,
        Vivien Didelot <vivien.didelot@gmail.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
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        linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
        kbuild-all@lists.01.org, netdev@vger.kernel.org
Subject: Re: [PATCH] net: dsa: lan9303: add VLAN IDs to master device
Message-ID: <20220216195517.o6dk64gwoe4sizl6@skbuf>
References: <20220216151111.6376-1-mans@mansr.com>
 <202202170327.RiXqUeGc-lkp@intel.com>
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On Thu, Feb 17, 2022 at 03:33:39AM +0800, kernel test robot wrote:
> >> drivers/net/dsa/lan9303-core.c:1095:2: error: implicit declaration of function 'vlan_vid_add' [-Werror,-Wimplicit-function-declaration]
>            vlan_vid_add(cpu_dp->master, htons(ETH_P_8021Q), port);
>            ^
> >> drivers/net/dsa/lan9303-core.c:1111:2: error: implicit declaration of function 'vlan_vid_del' [-Werror,-Wimplicit-function-declaration]
>            vlan_vid_del(cpu_dp->master, htons(ETH_P_8021Q), port);
>            ^

#include <linux/if_vlan.h>

drivers/net/dsa/Kconfig:

config NET_DSA_SMSC_LAN9303
	depends on VLAN_8021Q || VLAN_8021Q=n

and maybe you can access using dp->cpu_dp in the next revision.