From patchwork Mon Dec 4 13:26:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suraj Jaiswal X-Patchwork-Id: 13478377 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="pshjIxgF" Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E359D5; Mon, 4 Dec 2023 05:27:10 -0800 (PST) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3B4CqjIu000920; Mon, 4 Dec 2023 13:26:57 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=A420T9ttVpumdwIV5qdytA1YgUXLFLdy0M7vqioUvzk=; b=pshjIxgFoNFYiwcpcXI/FVPTejmwu97iA2xn4KE2iiuCRU7DLzuvLVIE2Apm7wm81isT Q5FaY/lQjmxu6vbLYg/ObGN8spf7nDy4W7fs6nHElCywBC+V38cuV0ZsmNPLWuAobyUN O7uBeBFcb0S0fl2Ehcg5C6a97Z4fuHexqaWcVwnnpCTEH4GqOqAbNhcXEvb45NSx/qI0 tAejGr7NGJbtRALqh7a5Js4z4CU0QnC6v4IDHCInKqGC++Wj3g49g80v85VOtN4in8kd 6eNKWZzeX++rRtsrgFQQc4lXAiyHZfvrfTxErLC/uVctr37FXLJ4WqcoXE45wPLi9c0h 8A== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3uqsxw4f4j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 04 Dec 2023 13:26:56 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3B4DQtGU003830 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 4 Dec 2023 13:26:55 GMT Received: from hu-jsuraj-hyd.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 4 Dec 2023 05:26:46 -0800 From: Suraj Jaiswal To: , Vinod Koul , Bhupesh Sharma , Andy Gross , Bjorn Andersson , Konrad Dybcio , "David S. Miller" , Eric Dumazet , "Jakub Kicinski" , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , Alexandre Torgue , "Jose Abreu" , Maxime Coquelin , , , , , , Prasad Sodagudi , Andrew Halaney CC: Subject: [PATCH net-next v3 1/3] dt-bindings: net: qcom,ethqos: add binding doc for safety IRQ for sa8775p Date: Mon, 4 Dec 2023 18:56:15 +0530 Message-ID: <2f215e2dabec345ec7f28e759c9463854959cced.1701695218.git.quic_jsuraj@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: yHVVmVAcoMtWDmAY5RRuzcM7Ay3_fBbV X-Proofpoint-GUID: yHVVmVAcoMtWDmAY5RRuzcM7Ay3_fBbV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-04_11,2023-11-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 mlxscore=0 bulkscore=0 spamscore=0 clxscore=1015 priorityscore=1501 mlxlogscore=999 malwarescore=0 impostorscore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2312040100 Add binding doc for safety IRQ. The safety IRQ will be triggered for ECC, DPP, FSM error. Signed-off-by: Suraj Jaiswal --- Documentation/devicetree/bindings/net/qcom,ethqos.yaml | 9 ++++++--- Documentation/devicetree/bindings/net/snps,dwmac.yaml | 5 +++-- 2 files changed, 9 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/net/qcom,ethqos.yaml b/Documentation/devicetree/bindings/net/qcom,ethqos.yaml index 7bdb412a0185..93d21389e518 100644 --- a/Documentation/devicetree/bindings/net/qcom,ethqos.yaml +++ b/Documentation/devicetree/bindings/net/qcom,ethqos.yaml @@ -37,12 +37,14 @@ properties: items: - description: Combined signal for various interrupt events - description: The interrupt that occurs when Rx exits the LPI state + - description: The interrupt that occurs when HW safety error triggered interrupt-names: minItems: 1 items: - const: macirq - - const: eth_lpi + - enum: [eth_lpi, safety] + - const: safety clocks: maxItems: 4 @@ -89,8 +91,9 @@ examples: <&gcc GCC_ETH_PTP_CLK>, <&gcc GCC_ETH_RGMII_CLK>; interrupts = , - ; - interrupt-names = "macirq", "eth_lpi"; + , + ; + interrupt-names = "macirq", "eth_lpi", "safety"; rx-fifo-depth = <4096>; tx-fifo-depth = <4096>; diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 5c2769dc689a..82ddee0ed1d1 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -107,13 +107,14 @@ properties: - description: Combined signal for various interrupt events - description: The interrupt to manage the remote wake-up packet detection - description: The interrupt that occurs when Rx exits the LPI state + - description: The interrupt that occurs when HW safety error triggered interrupt-names: minItems: 1 items: - const: macirq - - enum: [eth_wake_irq, eth_lpi] - - const: eth_lpi + - enum: [eth_wake_irq, eth_lpi, safety] + - enum: [eth_wake_irq, safety] clocks: minItems: 1 From patchwork Mon Dec 4 13:26:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suraj Jaiswal X-Patchwork-Id: 13478378 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="V22Vl24d" Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE25726B3; Mon, 4 Dec 2023 05:27:27 -0800 (PST) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3B4Ce4AF011000; Mon, 4 Dec 2023 13:27:05 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=x6LE3MtLGhTYFhqYeP5YLz7sqj7w/XAt98FOhZLnZRI=; b=V22Vl24djUnUDIxatSXKFmWeDnk9oVMX+fnxLSOYexdpIp8skG/kd8Tq6l6bjN++lGRn uET2d3l9B4aY3gXfM+EmThe8VMVuLJ6+HAdpHQgzhBtFyw+e8qGLDKnGHwYydovjAHQt 9IUudU73DC9hFaJ183Q3cNstgy/q2+YJWu7elleFfJeJA01DrWFP1rnJjVBtG34oCGUv JpPDhXzmSlj4RTdjfnpDcZ+qm4NqxPyp7uaA9x3P8T53+AzJYkKgmDcGtQxmNui+Cqzh QI14rZqMR7QUozeTXbty7zxGTnBVaRi0kOifTk5YNffOO6C5F4Zy/o6pc1Rg2UKDagc0 7g== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3usdfwge2r-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 04 Dec 2023 13:27:04 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3B4DR2sf012818 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 4 Dec 2023 13:27:02 GMT Received: from hu-jsuraj-hyd.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 4 Dec 2023 05:26:53 -0800 From: Suraj Jaiswal To: , Vinod Koul , Bhupesh Sharma , Andy Gross , Bjorn Andersson , Konrad Dybcio , "David S. Miller" , Eric Dumazet , "Jakub Kicinski" , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , Alexandre Torgue , "Jose Abreu" , Maxime Coquelin , , , , , , Prasad Sodagudi , Andrew Halaney CC: Subject: [PATCH net-next v3 2/3] arm64: dts: qcom: sa8775p: enable safety IRQ Date: Mon, 4 Dec 2023 18:56:16 +0530 Message-ID: <60c5e8ba8536538966fa4b22ccbd8345f8869a15.1701695218.git.quic_jsuraj@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: oFYomotq8I7OHHagPXN7ns1P349Pk735 X-Proofpoint-ORIG-GUID: oFYomotq8I7OHHagPXN7ns1P349Pk735 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-04_12,2023-12-04_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxlogscore=662 mlxscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 phishscore=0 spamscore=0 malwarescore=0 clxscore=1015 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2312040101 Add changes to support safety IRQ Handling Support for ethernet. Signed-off-by: Suraj Jaiswal --- arch/arm64/boot/dts/qcom/sa8775p.dtsi | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi index 13dd44dd9ed1..c92d8f9b92f5 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi @@ -2394,8 +2394,9 @@ ethernet1: ethernet@23000000 { <0x0 0x23016000 0x0 0x100>; reg-names = "stmmaceth", "rgmii"; - interrupts = ; - interrupt-names = "macirq"; + interrupts = , + ; + interrupt-names = "macirq", "safety"; clocks = <&gcc GCC_EMAC1_AXI_CLK>, <&gcc GCC_EMAC1_SLV_AHB_CLK>, @@ -2427,8 +2428,9 @@ ethernet0: ethernet@23040000 { <0x0 0x23056000 0x0 0x100>; reg-names = "stmmaceth", "rgmii"; - interrupts = ; - interrupt-names = "macirq"; + interrupts = , + ; + interrupt-names = "macirq", "safety"; clocks = <&gcc GCC_EMAC0_AXI_CLK>, <&gcc GCC_EMAC0_SLV_AHB_CLK>, From patchwork Mon Dec 4 13:26:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suraj Jaiswal X-Patchwork-Id: 13478379 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="PdWrtqnQ" Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C620926BA; Mon, 4 Dec 2023 05:27:29 -0800 (PST) Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3B4BcVUG013058; Mon, 4 Dec 2023 13:27:11 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=Gcy1w3PefWJh243SAeR1phCMPiO1eZ4dlFAMhh8tH48=; b=PdWrtqnQtNveZPhwR5OrfP12g66s8LeOh0cenOrAuZW/Ccuwg4c/Yx1Y42t2AXtMbySk aAu/T+yHXgORqstFAvrzQCwXn44YnCLx9r8hA/7JTe2R074jU5As8uD6YtSFbYJctOEP vHAsMaDHZvNI8OAm8ooqETrLowtRgM2IJ+aWJRsG5Tnxhmr21fMBL9UdN+Mj4xHHoBJY xy5zE3d6zhYa2dukenjD6MyZ0cJ2onFUnCmOUS9CGWDgup5qQlNZs2fZQm+u0NpLinuN mlG7bTKhaha33toYCGRz25uM+SRfMhVk8E1FzuMJqz5231h+mJt7mR0L7Ik/kT7KrWkz lA== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3uqwrvv11n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 04 Dec 2023 13:27:10 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3B4DR9dn004045 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 4 Dec 2023 13:27:09 GMT Received: from hu-jsuraj-hyd.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 4 Dec 2023 05:27:00 -0800 From: Suraj Jaiswal To: , Vinod Koul , Bhupesh Sharma , Andy Gross , Bjorn Andersson , Konrad Dybcio , "David S. Miller" , Eric Dumazet , "Jakub Kicinski" , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , Alexandre Torgue , "Jose Abreu" , Maxime Coquelin , , , , , , Prasad Sodagudi , Andrew Halaney CC: Subject: [PATCH net-next v3 3/3] net: stmmac: Add driver support for DWMAC5 safety IRQ Support Date: Mon, 4 Dec 2023 18:56:17 +0530 Message-ID: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: UKLH59-fwy_VhQPC-tByT52VPU6dgYiT X-Proofpoint-GUID: UKLH59-fwy_VhQPC-tByT52VPU6dgYiT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-04_12,2023-12-04_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 phishscore=0 mlxlogscore=999 suspectscore=0 priorityscore=1501 mlxscore=0 spamscore=0 clxscore=1015 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2312040101 Add IRQ support to listen HW safety IRQ like ECC,DPP,FSM fault and print the fault information in the kernel log. Signed-off-by: Suraj Jaiswal --- drivers/net/ethernet/stmicro/stmmac/common.h | 1 + drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 ++ .../net/ethernet/stmicro/stmmac/stmmac_main.c | 18 ++++++++++++++++++ .../ethernet/stmicro/stmmac/stmmac_platform.c | 9 +++++++++ 4 files changed, 30 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 6b935922054d..c4821c7ab674 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -347,6 +347,7 @@ enum request_irq_err { REQ_IRQ_ERR_SFTY_UE, REQ_IRQ_ERR_SFTY_CE, REQ_IRQ_ERR_LPI, + REQ_IRQ_ERR_SAFETY, REQ_IRQ_ERR_WOL, REQ_IRQ_ERR_MAC, REQ_IRQ_ERR_NO, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index 686c94c2e8a7..8eac37ff002d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -33,6 +33,7 @@ struct stmmac_resources { int irq; int sfty_ce_irq; int sfty_ue_irq; + int safety_common_irq; int rx_irq[MTL_MAX_RX_QUEUES]; int tx_irq[MTL_MAX_TX_QUEUES]; }; @@ -343,6 +344,7 @@ struct stmmac_priv { /* XDP BPF Program */ unsigned long *af_xdp_zc_qps; struct bpf_prog *xdp_prog; + int safety_common_irq; }; enum stmmac_state { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index c2ac88aaffed..46a5cb20e4b4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3591,6 +3591,10 @@ static void stmmac_free_irq(struct net_device *dev, if (priv->wol_irq > 0 && priv->wol_irq != dev->irq) free_irq(priv->wol_irq, dev); fallthrough; + case REQ_IRQ_ERR_SAFETY: + if (priv->safety_common_irq > 0 && priv->safety_common_irq != dev->irq) + free_irq(priv->safety_common_irq, dev); + fallthrough; case REQ_IRQ_ERR_WOL: free_irq(dev->irq, dev); fallthrough; @@ -3797,6 +3801,18 @@ static int stmmac_request_irq_single(struct net_device *dev) } } + if (priv->safety_common_irq > 0 && priv->safety_common_irq != dev->irq) { + ret = request_irq(priv->safety_common_irq, stmmac_safety_interrupt, + 0, "safety", dev); + if (unlikely(ret < 0)) { + netdev_err(priv->dev, + "%s: alloc safety failed %d (error: %d)\n", + __func__, priv->safety_common_irq, ret); + irq_err = REQ_IRQ_ERR_SAFETY; + goto irq_error; + } + } + return 0; irq_error: @@ -7459,6 +7475,8 @@ int stmmac_dvr_probe(struct device *device, priv->lpi_irq = res->lpi_irq; priv->sfty_ce_irq = res->sfty_ce_irq; priv->sfty_ue_irq = res->sfty_ue_irq; + priv->safety_common_irq = res->safety_common_irq; + for (i = 0; i < MTL_MAX_RX_QUEUES; i++) priv->rx_irq[i] = res->rx_irq[i]; for (i = 0; i < MTL_MAX_TX_QUEUES; i++) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 1ffde555da47..41a4a253d75b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -726,6 +726,15 @@ int stmmac_get_platform_resources(struct platform_device *pdev, dev_info(&pdev->dev, "IRQ eth_lpi not found\n"); } + stmmac_res->safety_common_irq = + platform_get_irq_byname_optional(pdev, "safety"); + + if (stmmac_res->safety_common_irq < 0) { + if (stmmac_res->safety_common_irq == -EPROBE_DEFER) + return -EPROBE_DEFER; + dev_info(&pdev->dev, "IRQ safety IRQ not found\n"); + } + stmmac_res->addr = devm_platform_ioremap_resource(pdev, 0); return PTR_ERR_OR_ZERO(stmmac_res->addr);