From patchwork Fri Nov 22 08:59:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Md Sadre Alam X-Patchwork-Id: 13882900 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 0ADA91DD55A; Fri, 22 Nov 2024 09:00:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732266020; cv=none; b=G+6vqD8DHNmO+X+2Kalt0yXnEDzz6j+hKEEXtshZVZZmhXnXEdSUaV2iwaZvxGBv/7mG8ySvASn6gG1cty1zwjChbQFNkm94WBRvUefdRAFNtaUtbcEtxWWgsLQTyrg12ezqZVGA1qOn1eoO1qgOTTwmkUL2gX08xphGFBxI7aE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732266020; c=relaxed/simple; bh=s464gs4DI7paebfDghYbA6dIdZv01O8xRzvIPM+5cjg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=gvP0xDXBG3fu9b7TNo4WcihMgRX4ZMC5MuCq7lbiUnf2StvBZ26W7Bgik1YwXpAFvbvX4Og4KlSSkI9F+82vRXlShYGJo8jEBDkDgT8cymyrQr399mgMCF1FKNPCBEa9XQZ+k70AHtCRFTyKLWLI0dB7n9r3s2WznsPI5qz7sTc= 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=W4YTXN40; arc=none smtp.client-ip=205.220.180.131 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="W4YTXN40" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4AM2NM1c029328; Fri, 22 Nov 2024 09:00:09 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= LkHS7Yzau84UEPEUeytcDhNp5BBXrcXJE2ofwaLbCrQ=; b=W4YTXN404PFFtj3T 6oYEURHK1yoVcgb+7JwGb2AtWgV30WzRPg965M9SEzmmcd5Znxk6qL+3pEaR/9zf wHcEqP9LU7k2bZNmsMH3LjvKirZOHCKJPKJwhspsLuUuMi1YYENimLRhT1at5OhH +gKIAEnLNTauZde4bXKxygvogVyV7HCZ8OXy0e3KjMi6jm1mso04CMKmBtkajn8N GKDVMn304ewO9gGw7rSKlRax9DrfxBwRbdF6fd8T+A++6B7Hw6kGMSg6AbEZMfkm DfKens6FQ3ghFmZ3j6xS48+X7KXtngBPDgcwVklPPGilVwCADIJOF99JT96APmWe VwP6Ag== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 432h4drvc6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 22 Nov 2024 09:00:09 +0000 (GMT) Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4AM908Pl008109 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 22 Nov 2024 09:00:08 GMT Received: from hu-mdalam-blr.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 22 Nov 2024 01:00:03 -0800 From: Md Sadre Alam To: , , , , , , , CC: , , , , Subject: [PATCH v2 3/3] mtd: rawnand: qcom: Fix read len for onfi param page Date: Fri, 22 Nov 2024 14:29:33 +0530 Message-ID: <20241122085933.2663927-4-quic_mdalam@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241122085933.2663927-1-quic_mdalam@quicinc.com> References: <20241122085933.2663927-1-quic_mdalam@quicinc.com> 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 nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: EdIk7u9Ary1X47T5c_-drj4TLUmdqQDR X-Proofpoint-GUID: EdIk7u9Ary1X47T5c_-drj4TLUmdqQDR 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 bulkscore=0 suspectscore=0 clxscore=1015 phishscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 mlxlogscore=999 spamscore=0 adultscore=0 mlxscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411220075 The minimum size to fetch the data from device to QPIC buffer is 512-bytes. If size is less than 512-bytes the data will not be protected by ECC as per QPIC standard. So while reading onfi parameter page from NAND device setting nandc->buf_count = 512. Cc: stable@vger.kernel.org Fixes: 89550beb098e ("mtd: rawnand: qcom: Implement exec_op()") Signed-off-by: Md Sadre Alam --- Change in [v2] * Set buf_count to 512 in the parameter page read Change in [v1] * This patch was not included in v1 drivers/mtd/nand/raw/qcom_nandc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c index 31ec3db1246d..e1dca4857754 100644 --- a/drivers/mtd/nand/raw/qcom_nandc.c +++ b/drivers/mtd/nand/raw/qcom_nandc.c @@ -2926,7 +2926,7 @@ static int qcom_param_page_type_exec(struct nand_chip *chip, const struct nand_ write_reg_dma(nandc, NAND_DEV_CMD1, 1, NAND_BAM_NEXT_SGL); } - nandc->buf_count = len; + nandc->buf_count = 512; memset(nandc->data_buffer, 0xff, nandc->buf_count); config_nand_single_cw_page_read(chip, false, 0);