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([2a02:2f0a:131e:0:1820:da87:73b1:d80c]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39efa49312fsm14907887f8f.70.2025.04.22.04.32.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Apr 2025 04:32:15 -0700 (PDT) From: Eugen Hristev To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, andersson@kernel.org Cc: linux-doc@vger.kernel.org, corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com, rostedt@goodmis.org, john.ogness@linutronix.de, senozhatsky@chromium.org, pmladek@suse.com, peterz@infradead.org, mojha@qti.qualcomm.com, linux-arm-kernel@lists.infradead.org, vincent.guittot@linaro.org, konradybcio@kernel.org, dietmar.eggemann@arm.com, juri.lelli@redhat.com, eugen.hristev@linaro.org Subject: [RFC][PATCH 04/14] soc: qcom: smem: add minidump device Date: Tue, 22 Apr 2025 14:31:46 +0300 Message-ID: <20250422113156.575971-5-eugen.hristev@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250422113156.575971-1-eugen.hristev@linaro.org> References: <20250422113156.575971-1-eugen.hristev@linaro.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add a minidump platform device. Signed-off-by: Eugen Hristev --- drivers/soc/qcom/smem.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c index 592819701809..985147b563f8 100644 --- a/drivers/soc/qcom/smem.c +++ b/drivers/soc/qcom/smem.c @@ -270,6 +270,7 @@ struct smem_region { * @partitions: list of partitions of current processor/host * @item_count: max accepted item number * @socinfo: platform device pointer + * @mdinfo: minidump device pointer * @num_regions: number of @regions * @regions: list of the memory regions defining the shared memory */ @@ -280,6 +281,7 @@ struct qcom_smem { u32 item_count; struct platform_device *socinfo; + struct platform_device *mdinfo; struct smem_ptable *ptable; struct smem_partition global_partition; struct smem_partition partitions[SMEM_HOST_COUNT]; @@ -1236,12 +1238,20 @@ static int qcom_smem_probe(struct platform_device *pdev) if (IS_ERR(smem->socinfo)) dev_dbg(&pdev->dev, "failed to register socinfo device\n"); + smem->mdinfo = platform_device_register_data(&pdev->dev, "qcom-md", + PLATFORM_DEVID_AUTO, NULL, + 0); + if (IS_ERR(smem->mdinfo)) + dev_err(&pdev->dev, "failed to register platform md device\n"); + return 0; } static void qcom_smem_remove(struct platform_device *pdev) { platform_device_unregister(__smem->socinfo); + if (!IS_ERR(__smem->mdinfo)) + platform_device_unregister(__smem->mdinfo); hwspin_lock_free(__smem->hwlock); __smem = NULL; -- 2.43.0