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Thu, 22 May 2025 14:35:39 +0000 From: Alexander Wilhelm To: Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] soc: qcom: fix endianness for QMI header Date: Thu, 22 May 2025 16:35:30 +0200 Message-Id: <20250522143530.3623809-3-alexander.wilhelm@westermo.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250522143530.3623809-1-alexander.wilhelm@westermo.com> References: <20250522143530.3623809-1-alexander.wilhelm@westermo.com> X-ClientProxiedBy: GV3P280CA0069.SWEP280.PROD.OUTLOOK.COM (2603:10a6:150:a::30) To AS8P192MB2240.EURP192.PROD.OUTLOOK.COM (2603:10a6:20b:63a::18) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8P192MB2240:EE_|PR3P192MB0682:EE_ X-MS-Office365-Filtering-Correlation-Id: 226ff186-0fd7-4b62-6d85-08dd993dec62 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|1800799024; 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SFV:NSPM; SKIP:0; X-MS-Exchange-CrossPremises-SCL: 1 X-MS-Exchange-CrossPremises-Processed-By-Journaling: Journal Agent X-OrganizationHeadersPreserved: PR3P192MB0682.EURP192.PROD.OUTLOOK.COM X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTIyMDE0OCBTYWx0ZWRfX83sC6GjBZ4TO WfWwQt1Hyz4Hk0SvyYnOYiidVOxx0QmQSVY3RL4gaV8FcLek/S6dNjI6WFbvAxtc3eLuJIuX62h 5kxE/LYdOCUJPXgsEtBF7GFiQG3Mr54ibO4P4sV/uLClLyccHSmtTPvInO232u9fy0wtaV6ZOiq 2XzmqFomcWrEijV8wf3lvJJWl7iOU0wgZIkEKCNpMvDsatby8BWJ7kw2lBcKCKghWjZ9AWlK1br 9xWbaFK9xiI+uBrIOmVutD2lP9LphkJhP6wvAcEJqzPuAWmMh/HV3mmrinJMJMWx5lmriG7AtRS j8mUleEjdjleo1eo4ieh9vmrqlo0yMQprLXhX84YCZqq7waHJ+XsfVv6mBEYxRCE8jxQOz2WzWF 2tPyuE7D/R8ZIfTpOAGFNITfMmsl+B0Pxz0LL0kaV3E+Ht7eK07Ozod0ax3bYE1zxwnH9Ids X-Authority-Analysis: v=2.4 cv=d9f1yQjE c=1 sm=1 tr=0 ts=682f363c cx=c_pps a=ZbF0nDb3NYyigRfKXiLIKg==:117 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=dt9VzEwgFbYA:10 a=8gLI3H-aZtYA:10 a=N9GNhs4bAAAA:8 a=T0L45qBzl8X6T0AR6ckA:9 a=PZhj9NlD-CKO8hVp7yCs:22 X-Proofpoint-GUID: BD9reDSgNGQbI1yYGe7rB5-bEIfr112Z X-Proofpoint-ORIG-GUID: BD9reDSgNGQbI1yYGe7rB5-bEIfr112Z The members of QMI header have to be swapped on big endian platforms. Use __le16 types instead of u16 ones. Signed-off-by: Alexander Wilhelm Reviewed-by: Dmitry Baryshkov --- drivers/soc/qcom/qmi_encdec.c | 6 +++--- drivers/soc/qcom/qmi_interface.c | 6 +++--- include/linux/soc/qcom/qmi.h | 6 +++--- 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/soc/qcom/qmi_encdec.c b/drivers/soc/qcom/qmi_encdec.c index dafe0a4c202e..7660a960fb45 100644 --- a/drivers/soc/qcom/qmi_encdec.c +++ b/drivers/soc/qcom/qmi_encdec.c @@ -776,9 +776,9 @@ void *qmi_encode_message(int type, unsigned int msg_id, size_t *len, hdr = msg; hdr->type = type; - hdr->txn_id = txn_id; - hdr->msg_id = msg_id; - hdr->msg_len = msglen; + hdr->txn_id = cpu_to_le16(txn_id); + hdr->msg_id = cpu_to_le16(msg_id); + hdr->msg_len = cpu_to_le16(msglen); *len = sizeof(*hdr) + msglen; diff --git a/drivers/soc/qcom/qmi_interface.c b/drivers/soc/qcom/qmi_interface.c index bc6d6379d8b1..6500f863aae5 100644 --- a/drivers/soc/qcom/qmi_interface.c +++ b/drivers/soc/qcom/qmi_interface.c @@ -400,7 +400,7 @@ static void qmi_invoke_handler(struct qmi_handle *qmi, struct sockaddr_qrtr *sq, for (handler = qmi->handlers; handler->fn; handler++) { if (handler->type == hdr->type && - handler->msg_id == hdr->msg_id) + handler->msg_id == le16_to_cpu(hdr->msg_id)) break; } @@ -488,7 +488,7 @@ static void qmi_handle_message(struct qmi_handle *qmi, /* If this is a response, find the matching transaction handle */ if (hdr->type == QMI_RESPONSE) { mutex_lock(&qmi->txn_lock); - txn = idr_find(&qmi->txns, hdr->txn_id); + txn = idr_find(&qmi->txns, le16_to_cpu(hdr->txn_id)); /* Ignore unexpected responses */ if (!txn) { @@ -514,7 +514,7 @@ static void qmi_handle_message(struct qmi_handle *qmi, } else { /* Create a txn based on the txn_id of the incoming message */ memset(&tmp_txn, 0, sizeof(tmp_txn)); - tmp_txn.id = hdr->txn_id; + tmp_txn.id = le16_to_cpu(hdr->txn_id); qmi_invoke_handler(qmi, sq, &tmp_txn, buf, len); } diff --git a/include/linux/soc/qcom/qmi.h b/include/linux/soc/qcom/qmi.h index 469e02d2aa0d..291cdc7ef49c 100644 --- a/include/linux/soc/qcom/qmi.h +++ b/include/linux/soc/qcom/qmi.h @@ -24,9 +24,9 @@ struct socket; */ struct qmi_header { u8 type; - u16 txn_id; - u16 msg_id; - u16 msg_len; + __le16 txn_id; + __le16 msg_id; + __le16 msg_len; } __packed; #define QMI_REQUEST 0