From patchwork Tue Oct 22 14:18:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sachin Gupta X-Patchwork-Id: 13845740 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 B0CDC1A08B2; Tue, 22 Oct 2024 14:19:03 +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=1729606745; cv=none; b=FMrnNXgHTJxmwdrCy37GtqrxEqfdNBYnPRarUpyuWqxjhyRkZ+/fIjr5zo/PL2bUcuF0coffLG5XfeU85blQ8gPqcFssuDbgThxJE5oHXnKuy51gelDP9XAr0FcGfPnMyVugoPP0E9XYaTY3FRIPBzkMSm3th8pEw/qcxi8nLQU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729606745; c=relaxed/simple; bh=hnVKgy3Ku36lhkN6qCdjhYKqO5Z25ILOzofbc2dpWB8=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=FElC+bD7fesN5E42r52/NDX9tF6fr+wwmqD4ybhbWoSkvfAJ1JFlYKRZnqmZ1m140VjmyQGNX4/HTkD1o4SVjqFWXi5MfnwAyk1pmlG5lE5fZFMjs+TUH4LX7DTvIBZXndlSdunMeMnbHYXMp372nOqY/OXXuDQf8PU1lwPhFD0= 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=Il0BWlQq; 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="Il0BWlQq" 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 49MDFljH026200; Tue, 22 Oct 2024 14:18:57 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-type:date:from:message-id:mime-version:subject:to; s= qcppdkim1; bh=1wg0oRf9Aw11F8KaSVBrgct06rRtIeTeHSKXgbq4gPE=; b=Il 0BWlQqu+kftrNQOx0HOB3eJUAgWHE1XwBQwL5Gw8Mrptn1Ns2wJ5saeAo48BXFhZ qKP5+bPOMpYtlfePL0beoe2aZK7R/TEov24ECD390wz1OwBkFE9jKLb4rpIbBZbq HGe3QxW81Cd9W2iUv0aK2PzVUlmmNhokFxdsiV7epL2CJxF1HnwaE8bBatVzScM6 GjFecazau47Qa3gLjLCCNLPmJ/S4dUOPzAr2D8/VoaRja2BBqP2/nMSJZx1DyE2x R+6VaoiUmZ5qURWpD0RWsRZvVryrhmpx577lMoa9ZnZNfHi4v8TNmH9059wMIL9j wH4jk16qN+N0hHbtwQFA== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 42ecse05u5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 22 Oct 2024 14:18:57 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA05.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 49MEIpZX023136 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 22 Oct 2024 14:18:51 GMT Received: from hu-sachgupt-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 15.2.1544.9; Tue, 22 Oct 2024 07:18:47 -0700 From: Sachin Gupta To: Adrian Hunter , Ulf Hansson CC: , , , , , , , , , , , Subject: [PATCH] mmc: sdhci-msm: Slot indexing for distinguishing multiple SDCC instances Date: Tue, 22 Oct 2024 19:48:28 +0530 Message-ID: <20241022141828.618-1-quic_sachgupt@quicinc.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) 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: x4wMfrx8KFrcbAJDfpLeTYg-XHDwKOlb X-Proofpoint-ORIG-GUID: x4wMfrx8KFrcbAJDfpLeTYg-XHDwKOlb 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 lowpriorityscore=0 phishscore=0 clxscore=1015 priorityscore=1501 adultscore=0 mlxlogscore=999 spamscore=0 impostorscore=0 mlxscore=0 bulkscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410220091 This update addresses the requirement for accurate slot indexing in the sdhci-msm driver to differentiate between multiple SDCC (Secure Digital Card Controller) instances, such as eMMC, SD card, and SDIO. Additionally, it revises the slot indexing logic to comply with the new device tree (DT) specifications. Signed-off-by: Ram Prakash Gupta Signed-off-by: Sarthak Garg Signed-off-by: Maramaina Naresh Signed-off-by: Ziqi Chen Signed-off-by: Sachin Gupta --- drivers/mmc/host/sdhci-msm.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index e113b99a3eab..3cb79117916f 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -292,6 +292,8 @@ struct sdhci_msm_host { bool vqmmc_enabled; }; +static struct sdhci_msm_host *sdhci_slot[3]; + static const struct sdhci_msm_offset *sdhci_priv_msm_offset(struct sdhci_host *host) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); @@ -2426,6 +2428,14 @@ static int sdhci_msm_probe(struct platform_device *pdev) if (ret) goto pltfm_free; + if (node) { + ret = of_alias_get_id(pdev->dev.of_node, "mmc"); + if (ret < 0) + dev_err(&pdev->dev, "get slot index failed %d\n", ret); + else + sdhci_slot[ret] = msm_host; + } + /* * Based on the compatible string, load the required msm host info from * the data associated with the version info.