From nobody Tue Apr 7 17:16:29 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 6DD9C396D05; Thu, 26 Feb 2026 08:54:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772096055; cv=none; b=esjvSgXWndo5I1c2DQ0qJFN+9TnUzgqG72i3c7AqS3C8ZGK44WliQIbt8bOMyBTYW0cBReYnC2dNAP36foi5tpXRk4eIO4JqFh1P0Ive/xPwROuAXUnVj3xT6VYNHnzQo4NQHPvE3v3xLVSn1W2+0Ktr39Lgk6MFYnOBL5/I0jk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772096055; c=relaxed/simple; bh=acK55HUEgUlYs3NA6am84XEhZn54fFFJoFsVffPPOu0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Wwj12h9u4mVh+RoksClb+paO9LNeMMY+enJnG01Ylx856LJOqCEzLsInALTI/6jbfaY2+0QzMEJr1x51+DHAiJrB+MvwNlYanbgqvMJHzWKZjOSntNIsGE8poCg9nifkXVZncB6V9mcorMC8Rpo6lNJ09zXseHDJXHA6Got1QwA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JbWLH3cy; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JbWLH3cy" Received: by smtp.kernel.org (Postfix) with ESMTPS id 297E0C2BC87; Thu, 26 Feb 2026 08:54:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772096055; bh=acK55HUEgUlYs3NA6am84XEhZn54fFFJoFsVffPPOu0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=JbWLH3cy0ujfAt5EGN+yK9a/6D295YSMQHj5z0WyS4EMUf94rHTXOwcXK2CU4vRvH ZCI9Rbz7vVs93LcgZiHBZAPrWr146Z6poTxLfS/7/v1trp4Xh0PfpYCv29ISm8Vlb/ Ee0u77S7WngUKaXLw5ER3bAawwXasvuTTs1h7SMqumNUEYOwfVoAOxWjjLWm28YDGO zm39NE880+jWm2ZZ+4u38d4560QYNX1FA4SfwwZeZxDV1t7aR3QwOGmcsghZpzNYz0 2VXnuik7ncLDkuIeOSPHD/LwuPHuRbvVGXekaVAPR6BD8yh5z4WeIjZHpY93KGTHQI KbTUvEfUBrflA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12A8AFC590F; Thu, 26 Feb 2026 08:54:15 +0000 (UTC) From: Jan Petrous via B4 Relay Date: Thu, 26 Feb 2026 09:54:07 +0100 Subject: [PATCH v7 2/5] net: stmmac: platform: read channels irq 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 Message-Id: <20260226-dwmac_multi_irq-v7-2-f8fe3b945bb4@oss.nxp.com> References: <20260226-dwmac_multi_irq-v7-0-f8fe3b945bb4@oss.nxp.com> In-Reply-To: <20260226-dwmac_multi_irq-v7-0-f8fe3b945bb4@oss.nxp.com> To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Chester Lin , Matthias Brugger , Ghennadi Procopciuc , NXP S32 Linux Team , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, rmk+kernel@armlinux.org.uk, vladimir.oltean@nxp.com, boon.khai.ng@altera.com, "Jan Petrous (OSS)" X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1772096053; l=2366; i=jan.petrous@oss.nxp.com; s=20240922; h=from:subject:message-id; bh=B8c7aRywEeVNEcViOxgmKHLxUkmd8vB8bY3PlIZqha4=; b=nyhyzPI1D0afCBmRHglDGqjiujEUV363kenRORGy0ZtLu65WQkn+154GaEcVDysPIpFaont+e bJn7AI8bHxUA4VnxSpuYmF2wK09phvW/u3tYVvS7En+hvpFj63S0NJZ X-Developer-Key: i=jan.petrous@oss.nxp.com; a=ed25519; pk=Ke3wwK7rb2Me9UQRf6vR8AsfJZfhTyoDaxkUCqmSWYY= X-Endpoint-Received: by B4 Relay for jan.petrous@oss.nxp.com/20240922 with auth_id=217 X-Original-From: "Jan Petrous (OSS)" Reply-To: jan.petrous@oss.nxp.com From: "Jan Petrous (OSS)" Read IRQ resources for all rx/tx channels, to allow Multi-IRQ mode for platform glue drivers. Reviewed-by: Matthias Brugger Signed-off-by: Jan Petrous (OSS) --- .../net/ethernet/stmicro/stmmac/stmmac_platform.c | 46 ++++++++++++++++++= +++- 1 file changed, 45 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/driver= s/net/ethernet/stmicro/stmmac/stmmac_platform.c index 5c9fd91a1db9..93bd915ab6eb 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -697,9 +697,40 @@ struct clk *stmmac_pltfr_find_clk(struct plat_stmmacen= et_data *plat_dat, } EXPORT_SYMBOL_GPL(stmmac_pltfr_find_clk); =20 +static int stmmac_pltfr_get_queue_irqs(struct platform_device *pdev, + struct stmmac_resources *stmmac_res, + bool tx) +{ + int *irqs =3D tx ? &stmmac_res->tx_irq[0] : &stmmac_res->rx_irq[0]; + char name[16]; + int i; + + /* RX channels irq */ + STMMAC_FOREACH_MTL_QUEUE(i, MTL_MAX_RX_QUEUES) { + scnprintf(name, sizeof(name), "%cx-queue-%d", + tx ? 't' : 'r', i); + + irqs[i] =3D platform_get_irq_byname_optional(pdev, name); + if (irqs[i] <=3D 0) { + if (irqs[i] =3D=3D -EPROBE_DEFER) + return -EPROBE_DEFER; + + dev_dbg(&pdev->dev, "IRQ %s not found\n", name); + + /* Stop on first unset rx/tx-queue-%i property member */ + irqs[i] =3D 0; + break; + } + } + + return 0; +} + int stmmac_get_platform_resources(struct platform_device *pdev, struct stmmac_resources *stmmac_res) { + int ret; + memset(stmmac_res, 0, sizeof(*stmmac_res)); =20 /* Get IRQ information early to have an ability to ask for deferred @@ -735,7 +766,20 @@ int stmmac_get_platform_resources(struct platform_devi= ce *pdev, =20 stmmac_res->addr =3D devm_platform_ioremap_resource(pdev, 0); =20 - return PTR_ERR_OR_ZERO(stmmac_res->addr); + if (IS_ERR(stmmac_res->addr)) + return PTR_ERR(stmmac_res->addr); + + /* TX channels irq */ + ret =3D stmmac_pltfr_get_queue_irqs(pdev, stmmac_res, true); + if (ret) + return ret; + + /* RX channels irq */ + ret =3D stmmac_pltfr_get_queue_irqs(pdev, stmmac_res, false); + if (ret) + return ret; + + return 0; } EXPORT_SYMBOL_GPL(stmmac_get_platform_resources); =20 --=20 2.47.0