From nobody Tue Dec 16 14:50:59 2025 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 9D06E31578F; Sun, 14 Dec 2025 22:15:53 +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=1765750553; cv=none; b=YIEaATG2AXRWe2ggxEI4oqPRe8YWC0s+CvF0H9N4uoioMBUaniY9KdkpjAsxAqIFEREdyZi5603lgyRNITjIoH1eGBqjK6J3McsEcCj1MSvgZt27f6B2NGITHaIPVikGsa+dIxsUhJn5aAma4njKYy4BTNnzJJlPhJSOk1CCXr0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765750553; c=relaxed/simple; bh=+dB1ubbQUZbbOBra3vCG6KF5yaKYR81O/ni3EMy7Nb8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=SKy2xOqboFduy6ainlzamUZ3nEn4y4ZtRP0x87Smgdig2Xf8gGTDGvRTf/ns06Ih4utINUbDNSM7ncr99oplgFgPxvwe2xHF3zT1HP/zqNu49tdaln4env25zqHEbrcIO/udNChwx5vtfXcddk5N1ud9WE+dCKVp+VfpEmvekXA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EJwZiL8/; 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="EJwZiL8/" Received: by smtp.kernel.org (Postfix) with ESMTPS id 56912C2BCB3; Sun, 14 Dec 2025 22:15:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765750553; bh=+dB1ubbQUZbbOBra3vCG6KF5yaKYR81O/ni3EMy7Nb8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=EJwZiL8/o8OAqNHR8DmIpjMQJmZS6GarMS4Dh7gOfFm84cO8ExZqijdqRoTaxFQ+N zUkS8m0lWsuZ6MoMnByvAHLj3smihk0bdyZscRIKvklUQot/Ig9SSdHHiqP9UQsAYQ fs4AMbK83DrtyqxpTsQ8ZOF1BirIzZnmaBt1u4JCMrqua5086jLVJCGo2WSzJj6meG 8d3gYkLQIdnHKz7MfXT5a14XDp8DEFPFjpLBd+RN/qziaJuWQpTazfaF+9iAPiykeW cuZTT0EvzgXMlnAeN15MX85386AIAZtZNY2Nb+8oqqNJxzORlvf2Ka7arrTkLJNcCS xGXIgwScvgxqQ== 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 4810AD5B16F; Sun, 14 Dec 2025 22:15:53 +0000 (UTC) From: Jan Petrous via B4 Relay Date: Sun, 14 Dec 2025 23:15:40 +0100 Subject: [PATCH RFC 4/4] stmmac: s32: enable multi irqs mode 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: <20251214-dwmac_multi_irq-v1-4-36562ab0e9f7@oss.nxp.com> References: <20251214-dwmac_multi_irq-v1-0-36562ab0e9f7@oss.nxp.com> In-Reply-To: <20251214-dwmac_multi_irq-v1-0-36562ab0e9f7@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 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=1765750551; l=1135; i=jan.petrous@oss.nxp.com; s=20240922; h=from:subject:message-id; bh=uKYPU0Ih9OcJADxPjnsSZTg/aiN/NSWTJ7b+174uNp0=; b=ccktjokTsHbY0A8sCrOp0tvellHMrF7o/nyJheYG8kgkcnDKKoYdHjDKtsJCQl7WUSZQnL3hC etvrjrpdbBbDMgbIUC/YcKNTWUWoFvuM3l4eTc66bLQcMfsxAg2TFRv 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)" Signalize support for multi irq mode. From now, if yoused old DT node, without channel IRQs set, the driver fails to init with the following error: [4.925420] s32-dwmac 4033c000.ethernet eth0: stmmac_request_irq_multi_msi: = alloc rx-0 MSI -6 (error: -22) Signed-off-by: Jan Petrous (OSS) --- drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c b/drivers/net/= ethernet/stmicro/stmmac/dwmac-s32.c index 5a485ee98fa7..284e2067a00b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c @@ -2,7 +2,7 @@ /* * NXP S32G/R GMAC glue layer * - * Copyright 2019-2024 NXP + * Copyright 2019-2025 NXP * */ =20 @@ -149,6 +149,7 @@ static int s32_dwmac_probe(struct platform_device *pdev) plat->core_type =3D DWMAC_CORE_GMAC4; plat->pmt =3D 1; plat->flags |=3D STMMAC_FLAG_SPH_DISABLE; + plat->flags |=3D STMMAC_FLAG_MULTI_MSI_EN; plat->rx_fifo_size =3D 20480; plat->tx_fifo_size =3D 20480; =20 --=20 2.47.0