linux-kernel - [RFC][PATCH 06/10] qcom: smem: enable smem pstore backend

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Message-ID: <20250217101706.2104498-7-eugen.hristev@linaro.org>
Date: Mon, 17 Feb 2025 12:17:02 +0200
From: Eugen Hristev <eugen.hristev@...aro.org>
To: linux-arm-msm@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	kees@...nel.org
Cc: linux-kernel@...r.kernel.org,
	johannes@...solutions.net,
	gregkh@...uxfoundation.org,
	rafael@...nel.org,
	dakr@...nel.org,
	andersson@...nel.org,
	konradybcio@...nel.org,
	tony.luck@...el.com,
	gpiccoli@...lia.com,
	pmladek@...e.com,
	rostedt@...dmis.org,
	john.ogness@...utronix.de,
	senozhatsky@...omium.org,
	quic_mojha@...cinc.com,
	linux-arm-kernel@...ts.infradead.org,
	kernel@...cinc.com,
	Eugen Hristev <eugen.hristev@...aro.org>
Subject: [RFC][PATCH 06/10] qcom: smem: enable smem pstore backend

Enable smem pstore backend that registers regions into the minidump
table.

Signed-off-by: Eugen Hristev <eugen.hristev@...aro.org>
---
 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..f4d2646fcc0b 100644
--- a/drivers/soc/qcom/smem.c
+++ b/drivers/soc/qcom/smem.c
@@ -1236,11 +1236,21 @@ static int qcom_smem_probe(struct platform_device *pdev)
 	if (IS_ERR(smem->socinfo))
 		dev_dbg(&pdev->dev, "failed to register socinfo device\n");
 
+	ret = qcom_smem_md_init(&pdev->dev);
+	if (ret)
+		dev_info(&pdev->dev, "smem minidump backend init failed\n");
+
+	ret = qcom_register_pstore_smem(&pdev->dev);
+	if (ret)
+		dev_info(&pdev->dev, "smem pstore backend registration failed\n");
+
 	return 0;
 }
 
 static void qcom_smem_remove(struct platform_device *pdev)
 {
+	qcom_unregister_pstore_smem();
+
 	platform_device_unregister(__smem->socinfo);
 
 	hwspin_lock_free(__smem->hwlock);
-- 
2.43.0