From patchwork Mon Feb 26 09:42:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sarosh Hasan X-Patchwork-Id: 776638 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 B0E43CA4E; Mon, 26 Feb 2024 09:43:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708940602; cv=none; b=qW4XKN0+i1M5HK45595FiqFw2YLM5hF01vWT6PU7yKbu28wWAIv1rBKq4QL3NbT6F1SncSkfMyu/+kjSVpF4nATjrG9zIbVlt5T3vV5h/V+9njXYfRIMYKpACVAN+7Pxw7J9LKWyreeIRPQFSVmLQekCPaq3kAQXmYXZPwD13nY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708940602; c=relaxed/simple; bh=K4GBuBvY1jfaKNJfI+V2iQAToLrbcQCzobKkx+s7CfI=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=otiKHpXIaZR9Zg3jh9jSvazyWHyEiP1pcKM574ZLnB0jwis9+jRuw4y+QtEcffRhhCuRdDRGpgFW1zxi/OyheND5DFZtZpgIj287yD1C7A9IGe3bXtKsOob4bkYHs+rJTVmBcV/h2UW2/t1LFhKVG31hWq624NNJvDkRJreuZIQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=BMQO1ZH/; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="BMQO1ZH/" Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 41Q9PrLp028933; Mon, 26 Feb 2024 09:43:06 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:mime-version:content-type; s= qcppdkim1; bh=tPqIhtoFZXpZFmCyP7Lnu9T4i55IofRcpfNy6UEYCmY=; b=BM QO1ZH/h1SrCYOvYK0GONf06sofiRF/gqfcIRaF/dC4hx2zVcCbBJslkuSVcAqEsr p1u61ruVFRdcebf8gUI/6lMpwVKge5lrCZdafHTGgKlsDuk2Skqt7QfRwClmgmJj LMWGj5TZkWv4VXjaStQpLq3ynH64vw0YLSdxd/iYo5UZAZP/C1iQPVJGKUrtaJnD FxeJScgVepVK+0R+fPR+ndyBdGEWfhA62tGSMFKVtDStXke42PUee9JE45XvGgg8 iP7y3MNlIqDBn3gcGsfofSahzfM0MNKe/GbNkp1nVkUTj08YlouvGi3TC3HuY/uA /4hdsrVR/DByZ2STvVtQ== Received: from nasanppmta02.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3wgkxkrh25-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 26 Feb 2024 09:43:05 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 41Q9h4OM019569 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 26 Feb 2024 09:43:04 GMT Received: from hu-sarohasa-hyd.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 26 Feb 2024 01:42:54 -0800 From: Sarosh Hasan To: Vinod Koul , 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 , Rob Herring CC: , Sneh Shah , Suraj Jaiswal Subject: [PATCH net-next v2] net: stmmac: dwmac-qcom-ethqos: Update link clock rate only for RGMII Date: Mon, 26 Feb 2024 15:12:26 +0530 Message-ID: <20240226094226.14276-1-quic_sarohasa@quicinc.com> X-Mailer: git-send-email 2.17.1 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 nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: tUDjRYwkIeEMxJzJSSUfF6jLBNtXEbHZ X-Proofpoint-GUID: tUDjRYwkIeEMxJzJSSUfF6jLBNtXEbHZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-26_07,2024-02-23_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 phishscore=0 mlxlogscore=924 malwarescore=0 suspectscore=0 bulkscore=0 adultscore=0 spamscore=0 clxscore=1015 priorityscore=1501 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2402120000 definitions=main-2402260073 Updating link clock rate for different speeds is only needed when using RGMII, as that mode requires changing clock speed when the link speed changes. Let's restrict updating the link clock speed in ethqos_update_link_clk() to just RGMII. Other modes such as SGMII only need to enable the link clock (which is already done in probe). Signed-off-by: Sarosh Hasan --- v2 changelog: - Addressed Konrad Dybcio comment on optimizing the patch --- drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c index 31631e3f89d0..c182294a6515 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -169,6 +169,9 @@ static void rgmii_dump(void *priv) static void ethqos_update_link_clk(struct qcom_ethqos *ethqos, unsigned int speed) { + if (!phy_interface_mode_is_rgmii(ethqos->phy_mode)) + return; + switch (speed) { case SPEED_1000: ethqos->link_clk_rate = RGMII_1000_NOM_CLK_FREQ;