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([2401:4900:1c06:ef2:36b5:9454:6fa:e888]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2946dded613sm20226885ad.37.2025.10.23.04.21.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Oct 2025 04:21:39 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: =?UTF-8?q?Niklas=20S=C3=B6derlund?= , Paul Barker , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar , =?UTF-8?q?Niklas=20S=C3=B6derlund?= Subject: [PATCH net-next v3 2/2] net: ravb: Allocate correct number of queues based on SoC support Date: Thu, 23 Oct 2025 12:21:11 +0100 Message-ID: <20251023112111.215198-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251023112111.215198-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20251023112111.215198-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: Lad Prabhakar Use the per-SoC match data flag `nc_queues` to decide how many TX/RX queues to allocate. If the SoC does not provide a network-control queue, fall back to a single TX/RX queue. Obtain the match data before calling alloc_etherdev_mqs() so the allocation is sized correctly. Signed-off-by: Lad Prabhakar Reviewed-by: Niklas S=C3=B6derlund --- v2->v3: - Reworded commit message for clarity. v1->v2: - Added Reviewed-by tag from Niklas. --- drivers/net/ethernet/renesas/ravb_main.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/etherne= t/renesas/ravb_main.c index 69d382e8757d..a200e205825a 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -2926,13 +2926,14 @@ static int ravb_probe(struct platform_device *pdev) return dev_err_probe(&pdev->dev, PTR_ERR(rstc), "failed to get cpg reset\n"); =20 + info =3D of_device_get_match_data(&pdev->dev); + ndev =3D alloc_etherdev_mqs(sizeof(struct ravb_private), - NUM_TX_QUEUE, NUM_RX_QUEUE); + info->nc_queues ? NUM_TX_QUEUE : 1, + info->nc_queues ? NUM_RX_QUEUE : 1); if (!ndev) return -ENOMEM; =20 - info =3D of_device_get_match_data(&pdev->dev); - ndev->features =3D info->net_features; ndev->hw_features =3D info->net_hw_features; ndev->vlan_features =3D info->vlan_features; --=20 2.43.0