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[2.205.18.238]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b7654d7cb3bsm1536176766b.27.2025.11.24.23.52.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Nov 2025 23:52:02 -0800 (PST) From: Jonas Gorski To: Florian Fainelli , Andrew Lunn , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Cc: Florian Fainelli , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next 1/7] net: dsa: b53: fix VLAN_ID_IDX write size for BCM5325/65 Date: Tue, 25 Nov 2025 08:51:44 +0100 Message-ID: <20251125075150.13879-2-jonas.gorski@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251125075150.13879-1-jonas.gorski@gmail.com> References: <20251125075150.13879-1-jonas.gorski@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Since BCM5325 and BCM5365 only support up to 256 VLANs, the VLAN_ID_IDX register is only 8 bit wide, not 16 bit, so use an appropriate accessor. Fixes: c45655386e53 ("net: dsa: b53: add support for FDB operations on 5325/5365") Signed-off-by: Jonas Gorski --- drivers/net/dsa/b53/b53_common.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 72c85cd34a4e..7f24d2d8f938 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1966,8 +1966,12 @@ static int b53_arl_op(struct b53_device *dev, int op, int port, /* Perform a read for the given MAC and VID */ b53_write48(dev, B53_ARLIO_PAGE, B53_MAC_ADDR_IDX, mac); - if (!is5325m(dev)) - b53_write16(dev, B53_ARLIO_PAGE, B53_VLAN_ID_IDX, vid); + if (!is5325m(dev)) { + if (is5325(dev) || is5365(dev)) + b53_write8(dev, B53_ARLIO_PAGE, B53_VLAN_ID_IDX, vid); + else + b53_write16(dev, B53_ARLIO_PAGE, B53_VLAN_ID_IDX, vid); + } /* Issue a read operation for this MAC */ ret = b53_arl_rw_op(dev, 1); -- 2.43.0