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Wed, 28 Jun 2023 12:37:39 GMT Received: from hu-mojha-hyd.qualcomm.com (10.80.80.8) by nasanex01c.na.qualcomm.com (10.45.79.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Wed, 28 Jun 2023 05:37:33 -0700 From: Mukesh Ojha To: , , , , , , , , , , , , , , CC: , , , , , , , , "Mukesh Ojha" Subject: [PATCH v4 21/21] firmware: qcom_scm: Add multiple download mode support Date: Wed, 28 Jun 2023 18:04:48 +0530 Message-ID: <1687955688-20809-22-git-send-email-quic_mojha@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1687955688-20809-1-git-send-email-quic_mojha@quicinc.com> References: <1687955688-20809-1-git-send-email-quic_mojha@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 7N0NHCXx1HtIlnlWstC82DtCdSHMY6m1 X-Proofpoint-GUID: 7N0NHCXx1HtIlnlWstC82DtCdSHMY6m1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-06-28_08,2023-06-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 mlxscore=0 adultscore=0 mlxlogscore=999 lowpriorityscore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2306280111 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230628_053754_240565_EFFEFD13 X-CRM114-Status: GOOD ( 18.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Currently, scm driver only supports full dump when download mode is selected. Add support to enable minidump as well as enable it along with fulldump. Signed-off-by: Mukesh Ojha --- drivers/firmware/qcom_scm.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index 946cb0f76a17..52e3b613a1af 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -31,6 +31,8 @@ static u32 download_mode; #define SCM_HAS_BUS_CLK BIT(2) #define QCOM_DOWNLOAD_FULLDUMP 0x1 +#define QCOM_DOWNLOAD_MINIDUMP 0x2 +#define QCOM_DOWNLOAD_BOTHDUMP (QCOM_DOWNLOAD_FULLDUMP | QCOM_DOWNLOAD_MINIDUMP) #define QCOM_DOWNLOAD_NODUMP 0x0 #define QCOM_DOWNLOAD_MODE_SHIFT 4 #define QCOM_DOWNLOAD_MODE_MASK 0x30 @@ -85,6 +87,8 @@ static const char * const qcom_scm_convention_names[] = { static const char * const download_mode_name[] = { [QCOM_DOWNLOAD_NODUMP] = "off", [QCOM_DOWNLOAD_FULLDUMP] = "full", + [QCOM_DOWNLOAD_MINIDUMP] = "mini", + [QCOM_DOWNLOAD_BOTHDUMP] = "full,mini", }; static struct qcom_scm *__scm; @@ -1465,7 +1469,7 @@ static const struct kernel_param_ops download_mode_param_ops = { module_param_cb(download_mode, &download_mode_param_ops, NULL, 0644); MODULE_PARM_DESC(download_mode, - "download mode: off/full are acceptable values"); + "download mode: off/full/mini/full,mini are acceptable values"); static int qcom_scm_probe(struct platform_device *pdev) {