From patchwork Mon May 19 09:42:23 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krishna Chaitanya Chundru X-Patchwork-Id: 891284 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 73F7C275847 for ; Mon, 19 May 2025 09:43:31 +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=1747647812; cv=none; b=uO3RFjdsbLGIQpfyU4KvMYlU56BGZH9lZ8mq0FuhyrMSq/IIfSF6CP202/sP3XKw7FLeAYyiWejKvSgTJSHEAanfdtBwLX/SrZfltpdLGMq+LdbVsTyOpUUhJhBy5aGtlbvRgXHCHdrxkhl/vYUp31c1g3R2CmFma4aWesp8hD4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747647812; c=relaxed/simple; bh=ciggJN5AEA2xtLRmbdfXbsqmVBeTQ+3RUbZugVrrsac=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=muMcQH8vfHsdshqdFGT3FUo9zgMT9Hk+4UcAAgf7SDCKYVV0ehdKKWx6+0Q3cpU3dzcn44xlgaf2eysosZewffvAKzh7UAgFoJZaBXr9YNMdhULS/4VD3r2GuJ4uQjD8vt5bs1BkAK2s24j4mR8z/bmex5rLVl4T9J8uLkqUgN8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=NT+X5ju3; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="NT+X5ju3" Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 54J6OTCS006095 for ; Mon, 19 May 2025 09:43:31 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= sdf7PFBmZ+dWTupOwPp2L2RRFGZXAccr7B/5Kw7lJr4=; b=NT+X5ju3qOKvzfHe xc5ntELMAsH2oxInT4ogGF8raCjNMz+8pSHBkmWC7inueP4yKG40TmtQpMEoxBxZ Oj3K6ZDzdek8HDAP4rTU2xpSbjJB9kHw3jb9NyV9jp25oMDkQp4nSVMEPo7bYXr/ YA9MNSXVqfdsUZuSJLj57rDsD9XWuGegv0GeY+4ppbGcShh1WrF+na4/dmRq/Hjq IL6/UsqwvDSzt62q0jcKEg9tv4ji86zVbAHP/nCoINLm8NSlxhOR1r9rIGAa6G9z 7dknjoM8VhmGRlu7SmX02PS3VgB/TZTgcevLW+xDbSujeAaw4eZuV84rmIJG06Lj CfvzFQ== Received: from mail-pf1-f200.google.com (mail-pf1-f200.google.com [209.85.210.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 46qybkgmbc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 19 May 2025 09:43:30 +0000 (GMT) Received: by mail-pf1-f200.google.com with SMTP id d2e1a72fcca58-742cc20e11eso626041b3a.1 for ; Mon, 19 May 2025 02:43:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747647810; x=1748252610; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=sdf7PFBmZ+dWTupOwPp2L2RRFGZXAccr7B/5Kw7lJr4=; b=R48S5tspyVM8V0BNGi9cZXxJdskVLSFYImaJWxfnNfOz2KwzYlugZYtXtukBlPZagq t8Kwsu2z+Ojzo8tAGB2hvkZyILYYjHzgQNRiB58VpiVPoc1IroX4ZWxdvK6+7A1szZt4 J4LoyoVc0t7XqfEg7OhW7/rnoJGgIlc1d0vsg6qmIHbde4JsTQHi01hw9VrhyKGqDLnC uq2H/DnPpffw7ApBMnQcnE0oxN6RZ7h4SBuLGAoh4JiWYW020ox3p+bp5Z1zmgn/F2qg 7oqbTn5djuHXuts47vh89B8atdXUGqwbvjt8MlT5NUs0HEbeEVb7uotZEvp7oi7JdP+y /YLg== X-Forwarded-Encrypted: i=1; AJvYcCUQf0MQYP0HlOmEzbvNwZXKuzoUD+XLpozRpNmReJEBDJRyJtFXDbYCrGc9Rq6jWr75/YXnEv+GJfNZQwImvQ==@vger.kernel.org X-Gm-Message-State: AOJu0Yyvr0iAGAKkya9QxZSwqlooRc6a4Z2zsdSVkXZhHV0pniTrk3Rs 0AmSIPWE6VPXjo8yRKaGSLxJr8/vYxxug1QtH/S2WbUTB6ut5Spw1ZpVKAUlDCuwOdSyv2wi6/D Pnw5H/SNbuxfTgnmQNsqIPtMCNyEvZZwqrh4Ty4nFiXbC9z1OlVppS+mQBE6fdYrAzr4Lxw== X-Gm-Gg: ASbGncvuyucJLTNBJNMfQj56ZApLJduXF40yWaabKscoZLH8YF81M0ZRj27oVcZgqbf KlExyiGMptQg3GcCQE+CiF5htYaY63k11U0zvpldxezJ+6FOwQVFMqbDiFFsb3BDgobAqXFVoeR DE8zJ6asXGBHgJQ/7KpJpEdvVydJJt8msw4unN5UViiVfvnB7KZNnk5sGIHyLq5RlK6ZvzHAyIX BrwJGXWGyGRCsyaxS7CZAJA6O9VA5uy6NYbIILTyeh50kSy3CqOZ+/LdQ84gQt4yvkgQjQKQNur 0zf53ktdizwsbURn24nZPAyjOAzr4AvdsXUFQKF0Af8Yt0E= X-Received: by 2002:a05:6a00:858f:b0:73e:1566:5960 with SMTP id d2e1a72fcca58-742acd507c1mr15013612b3a.19.1747647810004; Mon, 19 May 2025 02:43:30 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFBiZoJIttAqGh73o7b+oxSz8Gg3VOIHkxWf1cUJrHMPT58Y/cYk/xydm04u9gJFvMbMdWJzw== X-Received: by 2002:a05:6a00:858f:b0:73e:1566:5960 with SMTP id d2e1a72fcca58-742acd507c1mr15013579b3a.19.1747647809549; Mon, 19 May 2025 02:43:29 -0700 (PDT) Received: from hu-krichai-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-742a97398f8sm5809092b3a.78.2025.05.19.02.43.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 May 2025 02:43:29 -0700 (PDT) From: Krishna Chaitanya Chundru Date: Mon, 19 May 2025 15:12:23 +0530 Subject: [PATCH v3 10/11] PCI: Add function to convert lnkctl2speed to pci_bus_speed Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250519-mhi_bw_up-v3-10-3acd4a17bbb5@oss.qualcomm.com> References: <20250519-mhi_bw_up-v3-0-3acd4a17bbb5@oss.qualcomm.com> In-Reply-To: <20250519-mhi_bw_up-v3-0-3acd4a17bbb5@oss.qualcomm.com> To: Bjorn Helgaas , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Jingoo Han , Manivannan Sadhasivam , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Rob Herring , Johannes Berg , Jeff Johnson , Bartosz Golaszewski Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, mhi@lists.linux.dev, linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, qiang.yu@oss.qualcomm.com, quic_vbadigan@quicinc.com, quic_vpernami@quicinc.com, quic_mrana@quicinc.com, Krishna Chaitanya Chundru , Jeff Johnson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1747647743; l=1624; i=krishna.chundru@oss.qualcomm.com; s=20230907; h=from:subject:message-id; bh=ciggJN5AEA2xtLRmbdfXbsqmVBeTQ+3RUbZugVrrsac=; b=9tbNb0ShTaqF9yKpDzZgn5+IkqxjlBzSFrrncqIPIUBywJht4BGIpIewbdNC9EZoJ5T+rqib5 hi5eVz2dqkxA/eMOSAv3OvErH80iQTydRIqFwBY3czPX7odtNQdyhO4 X-Developer-Key: i=krishna.chundru@oss.qualcomm.com; a=ed25519; pk=10CL2pdAKFyzyOHbfSWHCD0X0my7CXxj8gJScmn1FAg= X-Proofpoint-GUID: okxFkHHH_Dz-ykjiZ3OBclRHatlVY5M2 X-Proofpoint-ORIG-GUID: okxFkHHH_Dz-ykjiZ3OBclRHatlVY5M2 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTE5MDA5MSBTYWx0ZWRfXxQmfIg4cuwg8 hDi9BAGsKJZ2zvg0L0M678+TQs94hQC6fQlSv9u4m+jM2WfCGrCKY0zTe4phg5HkuuC1ChEssjd yOdyW1dWG3fKiGLP7XPNyC1kDcBWzgQCCFTdlU5/X1UZUteM/mJvxb6gklOjy68H9FMrRbdi9LC 4NhQcLFaAarvcIw0fdOLNdWGTVFJTXemEg4oKw/n04nCfnXqa25BIVT4sek4PuMXkaQInWoxtPQ DgtS/UhLZaRV+eY/a4wdbXzxLY2y2DnAnuDYlR8Lj7E1ErfDrjYad9AS8uj8BxehmLCLPy2sC/x ZuauTvryKbVMsGr8E5SB6H+AlYmBHk3XBmEKJfp0rbPPp/o0RgGrekdKmQNrJzCrleKT1nTuI1+ SyL3N7VUlndFLHy9wq6COwk/tb/kdkosi6mbqkgEeN1eQq3ihlrzC+J6yWagp7+E9oRQrLzs X-Authority-Analysis: v=2.4 cv=RZeQC0tv c=1 sm=1 tr=0 ts=682afd42 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=EUspDBNiAAAA:8 a=rcts_Xg4tTJKaDXoMsUA:9 a=QEXdDO2ut3YA:10 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-19_04,2025-05-16_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 priorityscore=1501 clxscore=1015 lowpriorityscore=0 mlxscore=0 suspectscore=0 impostorscore=0 adultscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505070000 definitions=main-2505190091 Add a exported function to convert lnkctl2speed to enum pci_bus_speed, so that other kernel drivers can use it. Signed-off-by: Krishna Chaitanya Chundru --- drivers/pci/pci.c | 12 ++++++++++++ include/linux/pci.h | 1 + 2 files changed, 13 insertions(+) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e77d5b53c0cec9c7cdd043ac44329d1b285cae83..363565fd71bc184bb07e4f21e9009ce382e6075b 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -6035,6 +6035,18 @@ int pcie_link_speed_mbps(struct pci_dev *pdev) } EXPORT_SYMBOL(pcie_link_speed_mbps); +/** + * pci_lnkctl2_bus_speed - convert lnkctl2 speed to pci_bus_speed + * @speed: LNKCAP2 SLS value + * + * Return: pci_bus_speed + */ +enum pci_bus_speed pci_lnkctl2_bus_speed(int speed) +{ + return pcie_link_speed[speed]; +} +EXPORT_SYMBOL(pci_lnkctl2_bus_speed); + /** * pcie_bandwidth_available - determine minimum link settings of a PCIe * device and its bandwidth limitation diff --git a/include/linux/pci.h b/include/linux/pci.h index ce9d0812a61c2337ba533ef246393a0101e617ee..48c3f5b1f6f86b652355fc9edbcf834d64fddd11 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1655,6 +1655,7 @@ int pci_cfg_space_size(struct pci_dev *dev); unsigned char pci_bus_max_busnr(struct pci_bus *bus); resource_size_t pcibios_window_alignment(struct pci_bus *bus, unsigned long type); +enum pci_bus_speed pci_lnkctl2_bus_speed(int speed); #define PCI_VGA_STATE_CHANGE_BRIDGE (1 << 0) #define PCI_VGA_STATE_CHANGE_DECODES (1 << 1)