From mboxrd@z Thu Jan 1 00:00:00 1970 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 D548218CBE1; Mon, 23 Feb 2026 13:58:14 +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=1771855094; cv=none; b=VVA1E/Wz2QNGqx7/hBQWUUD+LreTt/EGaNkWhVrLREYVNAvNUu6DD5abMJQ8D7pwFs6QEgezNM957EomLkz5XqJydUy4cx1+D8GFILvu1akZwYRJqPvtmTsOTVwnJdU/v5mlf7WB77c7uYhsf7YN2u00WNWqNLyglGk+Yfrj5SQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771855094; c=relaxed/simple; bh=DjznovYY9GnY3ffzu+BYF+CpnJqumh0Ejt8gP/xAFC0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=FdtSiknDBYpD2SMC+2OdgyPq6URtIXQ+YMqxHkb0z5w5wrJRFhFtJXDEQt5b8DlL+r2/iVJ9PSlOpZtgBtCTXmHLM3E9LoZyaAXj2DeZ0KrmJ9poOukEsYue4vgv/cG0QZ6odOvr0m9iGCKygEifUjeqEHgYNxyju/+Bw8ndUUM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=r+baHfSw; 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="r+baHfSw" Received: by smtp.kernel.org (Postfix) with ESMTPS id B346FC19424; Mon, 23 Feb 2026 13:58:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771855094; bh=DjznovYY9GnY3ffzu+BYF+CpnJqumh0Ejt8gP/xAFC0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=r+baHfSwrqu2f3L9q4d2MJkk0sUKotG9SpSFBWFkovWBXoIlJLT98Q6AssTrNaWWj UnjwEqd2HK8+hwpqvH0/H37/gNc3QVvw0KjroHhOsBoIIQq/7qRtIBacGmRtKs9zd1 J8abbEXpn9o+V8Pm3H8SoFNS1Hye/PLbjib9BT1GOvAquuqN3MxG7FLUEwr8C95waF f6DXUHoNODcSPpdrVknNPjceepy4/zBPtuAq5JW7mJzsuK4WGndoMl51//j+737zmQ 0mZo2wpjWyK+haq0FyOJlsD74FyxKrYuzSR55oA1c4QeYQ2gBT6t+c028obEh0mP3Y qphqq3NHQZAqg== 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 A4956EA4FC2; Mon, 23 Feb 2026 13:58:14 +0000 (UTC) From: Jan Petrous via B4 Relay Date: Mon, 23 Feb 2026 14:58:04 +0100 Subject: [PATCH v5 1/4] 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: 7bit Message-Id: <20260223-dwmac_multi_irq-v5-1-8fc699a5fac4@oss.nxp.com> References: <20260223-dwmac_multi_irq-v5-0-8fc699a5fac4@oss.nxp.com> In-Reply-To: <20260223-dwmac_multi_irq-v5-0-8fc699a5fac4@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, "Jan Petrous (OSS)" X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1771855093; l=2333; i=jan.petrous@oss.nxp.com; s=20240922; h=from:subject:message-id; bh=P2zfXa4c18tSAED8W/f714pESbYNY0ZOt8TdNWG7VK0=; b=hiXarSrsA/JbiyKr+PsMd6bbjrGyHXX8vk7ry0gBoLO10unCvRxYzZb5C9C9xTtP2sfCSNG6y lDgDWZJqVCYDGYHr4WLUBkolMSdTx7eXCG92CyX+8rPkB9U869DQROt 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 | 40 +++++++++++++++++++++- 1 file changed, 39 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 5c9fd91a1db9..6166a9b0c0bb 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -700,6 +700,9 @@ EXPORT_SYMBOL_GPL(stmmac_pltfr_find_clk); int stmmac_get_platform_resources(struct platform_device *pdev, struct stmmac_resources *stmmac_res) { + char name[16]; + int i; + memset(stmmac_res, 0, sizeof(*stmmac_res)); /* Get IRQ information early to have an ability to ask for deferred @@ -735,7 +738,42 @@ int stmmac_get_platform_resources(struct platform_device *pdev, stmmac_res->addr = devm_platform_ioremap_resource(pdev, 0); - return PTR_ERR_OR_ZERO(stmmac_res->addr); + if (IS_ERR(stmmac_res->addr)) + return PTR_ERR(stmmac_res->addr); + + /* RX channels irq */ + for (i = 0; i < MTL_MAX_RX_QUEUES; i++) { + scnprintf(name, sizeof(name), "rx-queue-%d", i); + stmmac_res->rx_irq[i] = platform_get_irq_byname_optional(pdev, + name); + if (stmmac_res->rx_irq[i] <= 0) { + if (stmmac_res->rx_irq[i] == -EPROBE_DEFER) + return -EPROBE_DEFER; + dev_dbg(&pdev->dev, "IRQ rx-queue-%d not found\n", i); + + /* Stop on first unset rx-queue-%i property member */ + stmmac_res->rx_irq[i] = 0; + break; + } + } + + /* TX channels irq */ + for (i = 0; i < MTL_MAX_TX_QUEUES; i++) { + scnprintf(name, sizeof(name), "tx-queue-%d", i); + stmmac_res->tx_irq[i] = platform_get_irq_byname_optional(pdev, + name); + if (stmmac_res->tx_irq[i] <= 0) { + if (stmmac_res->tx_irq[i] == -EPROBE_DEFER) + return -EPROBE_DEFER; + dev_dbg(&pdev->dev, "IRQ tx-queue-%d not found\n", i); + + /* Stop on first unset tx-queue-%i property member */ + stmmac_res->tx_irq[i] = 0; + break; + } + } + + return 0; } EXPORT_SYMBOL_GPL(stmmac_get_platform_resources); -- 2.47.0