linux-hardening - [PATCH 29/33] firmware: qcom: tzmem: disable sm7150 platform

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Message-ID: <20250422213137.80366-13-danila@jiaxyga.com>
Date: Wed, 23 Apr 2025 00:31:33 +0300
From: Danila Tikhonov <danila@...xyga.com>
To: Rob Herring <robh@...nel.org>,
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Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
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	Danila Tikhonov <danila@...xyga.com>
Subject: [PATCH 29/33] firmware: qcom: tzmem: disable sm7150 platform

The SHM bridge makes the SM7150 devices reset while probing the RMTFS
(in qcom_scm_assign_mem()). Blacklist the SHM Bridge on corresponding
platforms using SoC-level compat string.

Signed-off-by: Danila Tikhonov <danila@...xyga.com>
---
 drivers/firmware/qcom/qcom_tzmem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/firmware/qcom/qcom_tzmem.c b/drivers/firmware/qcom/qcom_tzmem.c
index 92b365178235..94196ad87105 100644
--- a/drivers/firmware/qcom/qcom_tzmem.c
+++ b/drivers/firmware/qcom/qcom_tzmem.c
@@ -79,6 +79,7 @@ static const char *const qcom_tzmem_blacklist[] = {
 	"qcom,sc8180x",
 	"qcom,sdm670", /* failure in GPU firmware loading */
 	"qcom,sdm845", /* reset in rmtfs memory assignment */
+	"qcom,sm7150", /* reset in rmtfs memory assignment */
 	"qcom,sm8150", /* reset in rmtfs memory assignment */
 	NULL
 };
-- 
2.49.0