From patchwork Wed Nov 6 22:13:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mayank Rana X-Patchwork-Id: 13865573 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 397B920E00C; Wed, 6 Nov 2024 22:14:18 +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=1730931259; cv=none; b=WSzLHPmxbMSK4U+4EVJSaUrgUlQX+6rmByTXrR20YzwZCWI468dIbaqrwaLsBDR2BFZzKL15dR1GTdEQ2WPfErWCSNZZFkm0GbbZM5zN1T1cFcW/AxP/hiM54KYGjkprYkKrm8DfyzfSIPXgUuIGi6SCmOB5NIKhu0jzMYpxNPY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730931259; c=relaxed/simple; bh=Y6LScksg2j214FZ2e3xWv+35HKasJ2WnUvOLl4WuLSE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=CjPA21Kh48yREfn2hlQdWD3QkIR4iTWUxjshcqpmflwONEfjBJTR/gSTXIfLfbNLJHkohVV59N31b7mJOhqT1V4Vp6Lizdd0mOlUNTdbdqCVhABPhtctNAIIZeXzFAoHGRqaDfSOnnP2ACyDg7CYZ3PsMMAi916jJeaPlk/KWTE= 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=jlJ6rgur; 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="jlJ6rgur" Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4A69plnL015613; Wed, 6 Nov 2024 22:14:06 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 4HHoFSioX8ZCazDOVUQkvJrNCnJaYY5Xp1d5eH1BtVQ=; b=jlJ6rgurSHUbvoZs B0sm4HXHv1Xsw1TZzq1VFov3stno9FSn6IfBPTiOqpRDPQDhL53SVqBkTmlOVCEQ KW0qk0Gvc8I9yQnWfz0AHmQ9IRiGQurmMCrZ3n8FA0uWeRzj81WghLaHbQimdDva AGv1u3lxd6XpCMJS0URogfnN7+VifYf4vUxqNoJa3r7i9VAhmqSxpDqBLokwW0PS FoQA9yKybJZF4b3j18Drh+gkOY5eFiP1X/S6icFTbZjreJbJ/FBYKUBq9d+FWKOY ysLuLoXiI5avIAg5vN4FATRPtKUk/RA7nC938RmL/bUf/Ta/tQ2VQi8beHBMeAQg IXmSyw== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 42q5n8q0yt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 06 Nov 2024 22:14:05 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4A6ME56a011643 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 6 Nov 2024 22:14:05 GMT Received: from hu-mrana-lv.qualcomm.com (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 6 Nov 2024 14:14:04 -0800 From: Mayank Rana To: , , , , , , , CC: , , , , Mayank Rana Subject: [PATCH v3 2/4] PCI: host-generic: Export gen_pci_init() API to allow ECAM creation Date: Wed, 6 Nov 2024 14:13:39 -0800 Message-ID: <20241106221341.2218416-3-quic_mrana@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241106221341.2218416-1-quic_mrana@quicinc.com> References: <20241106221341.2218416-1-quic_mrana@quicinc.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: ccNrpXjmagCKBYi2_Etdkoaus7xo4kJX X-Proofpoint-ORIG-GUID: ccNrpXjmagCKBYi2_Etdkoaus7xo4kJX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 priorityscore=1501 bulkscore=0 adultscore=0 malwarescore=0 phishscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411060170 Export gen_pci_init() API to create ECAM and initialized ECAM OPs from PCIe driver which don't have way to populate driver_data as just ECAM ops. Signed-off-by: Mayank Rana --- drivers/pci/controller/pci-host-common.c | 3 ++- include/linux/pci-ecam.h | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/pci-host-common.c b/drivers/pci/controller/pci-host-common.c index cf5f59a745b3..b9460a4c5b7e 100644 --- a/drivers/pci/controller/pci-host-common.c +++ b/drivers/pci/controller/pci-host-common.c @@ -20,7 +20,7 @@ static void gen_pci_unmap_cfg(void *ptr) pci_ecam_free((struct pci_config_window *)ptr); } -static struct pci_config_window *gen_pci_init(struct device *dev, +struct pci_config_window *gen_pci_init(struct device *dev, struct pci_host_bridge *bridge, const struct pci_ecam_ops *ops) { int err; @@ -48,6 +48,7 @@ static struct pci_config_window *gen_pci_init(struct device *dev, return cfg; } +EXPORT_SYMBOL_GPL(gen_pci_init); int pci_host_common_probe(struct platform_device *pdev) { diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h index 3a4860bd2758..386c08349169 100644 --- a/include/linux/pci-ecam.h +++ b/include/linux/pci-ecam.h @@ -94,5 +94,7 @@ extern const struct pci_ecam_ops loongson_pci_ecam_ops; /* Loongson PCIe */ /* for DT-based PCI controllers that support ECAM */ int pci_host_common_probe(struct platform_device *pdev); void pci_host_common_remove(struct platform_device *pdev); +struct pci_config_window *gen_pci_init(struct device *dev, + struct pci_host_bridge *bridge, const struct pci_ecam_ops *ops); #endif #endif