From nobody Thu Oct 9 11:02:24 2025 Received: from mxout4.routing.net (mxout4.routing.net [134.0.28.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DCEFF2DE204; Wed, 18 Jun 2025 13:07:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=134.0.28.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750252056; cv=none; b=DgKszBVLX6uj6r0ukoMZuMJeGnKaA4RG5N9dViWLwV+kEZcRs2wQS1/UkSD9D/bqd02niDVXMjGfUCeqf8vlyO4KPSiU3ApDifLYHNpka5lKnfJgYnbgSObLn6PCi8xyfSnDq0jiyzsXA1yndqJXRsWkp+6puTHvuR95AW8JwaM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750252056; c=relaxed/simple; bh=X3UaxBcYP4A/mruQ/5jpwFPJL6OalCZdq8pydylB5pk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=F9utVv+TqsraK5OppjFa1yGgF0KkLb4LoURK0dDXL7ElDSR7gE56CNaJVmRuQkiBAGWuv6zwdF9FhLXGT0RfDx77/dL+ilvwOAeHIXs/Muk69rLU51eLWH6eb86zzUPUbZcsYDys6gbFhEumVMntUe0h9aFNL/xFNCoBTxp5aWY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fw-web.de; spf=pass smtp.mailfrom=fw-web.de; dkim=pass (1024-bit key) header.d=mailerdienst.de header.i=@mailerdienst.de header.b=dLIfRTmS; arc=none smtp.client-ip=134.0.28.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fw-web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fw-web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mailerdienst.de header.i=@mailerdienst.de header.b="dLIfRTmS" Received: from mxbulk.masterlogin.de (unknown [192.168.10.85]) by mxout4.routing.net (Postfix) with ESMTP id CDF6810011A; Wed, 18 Jun 2025 13:07:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1750252051; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JF6dsD+/J35CW09aAXEZctc1U7sCQNTVnRhYIx+XRfU=; b=dLIfRTmSMyCO4FSfnW0PynpA0HiYqYBPRGQ/QJ3CHUV+xD9PhSb1bsf7gXrLmLuVVnN3Me dcw6CV+sPEeWlCHRqYlSPzLoN/tQIPCP6QVUu1h+GJ2KOqHYUE+9CHWj0cpq+TLdcij6k8 f8UKlQUCnNWao1My5h+3y5NbTtNhbmQ= Received: from frank-u24.. (fttx-pool-80.245.76.73.bambit.de [80.245.76.73]) by mxbulk.masterlogin.de (Postfix) with ESMTPSA id 92BB41226D6; Wed, 18 Jun 2025 13:07:30 +0000 (UTC) From: Frank Wunderlich To: Felix Fietkau , Sean Wang , Lorenzo Bianconi , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger , AngeloGioacchino Del Regno Cc: Frank Wunderlich , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Simon Horman , Daniel Golle , arinc.unal@arinc9.com Subject: [net-next v5 2/3] net: ethernet: mtk_eth_soc: add consts for irq index Date: Wed, 18 Jun 2025 15:07:13 +0200 Message-ID: <20250618130717.75839-3-linux@fw-web.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250618130717.75839-1-linux@fw-web.de> References: <20250618130717.75839-1-linux@fw-web.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Frank Wunderlich Use consts instead of fixed integers for accessing IRQ array. Signed-off-by: Frank Wunderlich Reviewed-by: Simon Horman Reviewed-by: Daniel Golle --- v5: - rename consts to be compatible with upcoming RSS/LRO changes MTK_ETH_IRQ_SHARED =3D> MTK_FE_IRQ_SHARED MTK_ETH_IRQ_TX =3D> MTK_FE_IRQ_TX MTK_ETH_IRQ_RX =3D> MTK_FE_IRQ_RX MTK_ETH_IRQ_MAX =3D> MTK_FE_IRQ_NUM v4: - calculate max from last (rx) irq index and use it for array size too --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 22 ++++++++++----------- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 7 ++++++- 2 files changed, 17 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethe= rnet/mediatek/mtk_eth_soc.c index 39b673ed7495..875e477a987b 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -3342,9 +3342,9 @@ static int mtk_get_irqs(struct platform_device *pdev,= struct mtk_eth *eth) int i; =20 /* future SoCs beginning with MT7988 should use named IRQs in dts */ - eth->irq[1] =3D platform_get_irq_byname(pdev, "tx"); - eth->irq[2] =3D platform_get_irq_byname(pdev, "rx"); - if (eth->irq[1] >=3D 0 && eth->irq[2] >=3D 0) + eth->irq[MTK_FE_IRQ_TX] =3D platform_get_irq_byname(pdev, "tx"); + eth->irq[MTK_FE_IRQ_RX] =3D platform_get_irq_byname(pdev, "rx"); + if (eth->irq[MTK_FE_IRQ_TX] >=3D 0 && eth->irq[MTK_FE_IRQ_RX] >=3D 0) return 0; =20 /* legacy way: @@ -3353,9 +3353,9 @@ static int mtk_get_irqs(struct platform_device *pdev,= struct mtk_eth *eth) * On SoCs with non-shared IRQs the first entry is not used, * the second is for TX, and the third is for RX. */ - for (i =3D 0; i < 3; i++) { + for (i =3D 0; i < MTK_FE_IRQ_NUM; i++) { if (MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_INT) && i > 0) - eth->irq[i] =3D eth->irq[0]; + eth->irq[i] =3D eth->irq[MTK_FE_IRQ_SHARED]; else eth->irq[i] =3D platform_get_irq(pdev, i); =20 @@ -3421,7 +3421,7 @@ static void mtk_poll_controller(struct net_device *de= v) =20 mtk_tx_irq_disable(eth, MTK_TX_DONE_INT); mtk_rx_irq_disable(eth, eth->soc->rx.irq_done_mask); - mtk_handle_irq_rx(eth->irq[2], dev); + mtk_handle_irq_rx(eth->irq[MTK_FE_IRQ_RX], dev); mtk_tx_irq_enable(eth, MTK_TX_DONE_INT); mtk_rx_irq_enable(eth, eth->soc->rx.irq_done_mask); } @@ -4907,7 +4907,7 @@ static int mtk_add_mac(struct mtk_eth *eth, struct de= vice_node *np) eth->netdev[id]->features |=3D eth->soc->hw_features; eth->netdev[id]->ethtool_ops =3D &mtk_ethtool_ops; =20 - eth->netdev[id]->irq =3D eth->irq[0]; + eth->netdev[id]->irq =3D eth->irq[MTK_FE_IRQ_SHARED]; eth->netdev[id]->dev.of_node =3D np; =20 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) @@ -5184,17 +5184,17 @@ static int mtk_probe(struct platform_device *pdev) } =20 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_INT)) { - err =3D devm_request_irq(eth->dev, eth->irq[0], + err =3D devm_request_irq(eth->dev, eth->irq[MTK_FE_IRQ_SHARED], mtk_handle_irq, 0, dev_name(eth->dev), eth); } else { - err =3D devm_request_irq(eth->dev, eth->irq[1], + err =3D devm_request_irq(eth->dev, eth->irq[MTK_FE_IRQ_TX], mtk_handle_irq_tx, 0, dev_name(eth->dev), eth); if (err) goto err_free_dev; =20 - err =3D devm_request_irq(eth->dev, eth->irq[2], + err =3D devm_request_irq(eth->dev, eth->irq[MTK_FE_IRQ_RX], mtk_handle_irq_rx, 0, dev_name(eth->dev), eth); } @@ -5240,7 +5240,7 @@ static int mtk_probe(struct platform_device *pdev) } else netif_info(eth, probe, eth->netdev[i], "mediatek frame engine at 0x%08lx, irq %d\n", - eth->netdev[i]->base_addr, eth->irq[0]); + eth->netdev[i]->base_addr, eth->irq[MTK_FE_IRQ_SHARED]); } =20 /* we run 2 devices on the same DMA ring so we need a dummy device diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethe= rnet/mediatek/mtk_eth_soc.h index 6f72a8c8ae1e..8cdf1317dff5 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -642,6 +642,11 @@ =20 #define MTK_MAC_FSM(x) (0x1010C + ((x) * 0x100)) =20 +#define MTK_FE_IRQ_SHARED 0 +#define MTK_FE_IRQ_TX 1 +#define MTK_FE_IRQ_RX 2 +#define MTK_FE_IRQ_NUM (MTK_FE_IRQ_RX + 1) + struct mtk_rx_dma { unsigned int rxd1; unsigned int rxd2; @@ -1292,7 +1297,7 @@ struct mtk_eth { struct net_device *dummy_dev; struct net_device *netdev[MTK_MAX_DEVS]; struct mtk_mac *mac[MTK_MAX_DEVS]; - int irq[3]; + int irq[MTK_FE_IRQ_NUM]; u32 msg_enable; unsigned long sysclk; struct regmap *ethsys; --=20 2.43.0