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Fri, 03 Jul 2026 12:40:37 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-30f290b6bc2sm10065845eec.27.2026.07.03.12.40.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jul 2026 12:40:37 -0700 (PDT) From: Mukesh Ojha To: Bjorn Andersson , Konrad Dybcio , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Joel Stanley , Andrew Jeffery , Paul Cercueil , Anitha Chrisanthus , Paul Kocialkowski , Linus Walleij , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Alexey Brodkin , Laurent Pinchart , Tomi Valkeinen , Michal Simek , Daniel Scally , Jacopo Mondi , Mauro Carvalho Chehab , Eddie James , Tiffany Lin , Andrew-CT Chen , Yunfei Dong , Minghsiu Tsai , Houlong Wei , Matthias Brugger , AngeloGioacchino Del Regno , Joseph Liu , Marvin Lin , Dmitry Osipenko , Krzysztof Kozlowski , Thierry Reding , Jonathan Hunter , Srinivas Kandagatla , Arnd Bergmann , Greg Kroah-Hartman , Ge Gordon , Adrian Hunter , Ulf Hansson , Rob Herring , Saravana Kannan , Mathieu Poirier , Jaroslav Kysela , Takashi Iwai , Shengjiu Wang , Xiubo Li , Liam Girdwood , Mark Brown , Frank Li , Sascha Hauer , Peter Ujfalusi , Bard Liao , Daniel Baluta , Orson Zhai , Baolin Wang , Peter Chen , Fugang Duan Cc: Ekansh Gupta , BST Linux Kernel Upstream Group , Fabio Estevam , Nicolin Chen , Pengutronix Kernel Team , Kai Vehmanen , Pierre-Louis Bossart , Vijendar Mukunda , Chunyan Zhang , CIX Linux Kernel Upstream Group , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-media@vger.kernel.org, openbmc@lists.ozlabs.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, linux-tegra@vger.kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-staging@lists.linux.dev, linux-sound@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, imx@lists.linux.dev, sound-open-firmware@alsa-project.org, Mukesh Ojha Subject: [PATCH 03/42] firmware: qcom: scm: Use devm_of_reserved_mem_device_init() Date: Sat, 4 Jul 2026 01:08:16 +0530 Message-ID: <20260703193855.110619-4-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260703193855.110619-1-mukesh.ojha@oss.qualcomm.com> References: <20260703193855.110619-1-mukesh.ojha@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: Qjepp8j_D9n0D7QUEdQ2M585UDSciE_Q X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAzMDE5OCBTYWx0ZWRfX8R/e11YGZsBI ZjGwWSHAHR6bygoyVDPswayZuNynzhEm34ovoI+xJ/IVlqPGGz4Xc6/TmbM6y7mLFzLsuYpg54o 6E0U6yQ2gyC6cbX5lXjJP+DiMg6WR1Y= X-Authority-Analysis: v=2.4 cv=a6QAM0SF c=1 sm=1 tr=0 ts=6a481037 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=-SVse2xkFbf2KMwQCVkA:9 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAzMDE5OCBTYWx0ZWRfX+0yHooUM6HOp 3ni39yfTzOxgGRYDx6mt9tqbv4BOxgFDWm2UjdAw1VC0U4+sRe98QUTYe02duFG0EU+MBZb4ivA XA6v0SkMkH1wZNYptBNJgX0NcVkSRfXaVRBht/fqLNZlA1C+XoJ75CG+DrtsurlEs7zKlVvXjOr bztKpvXPeBSJycS1Ts7Gk0q3l505ZKn3ISRk7Ldl6wwCDj0mTRFBzqSn6MD+JMiPIES9CidMuAo EMa6uQlRd4qcNRqUzvWGAAD5jT5MwBg3WAi4yEayjgNnWLmVkL79vq7RaBCioXC5Q6yx379m2kF uSjL6f2rr7lBqH9RjM5/h/ietLxLGZl5mKc4F6mG6CyURjeZ+jffJ8MIi2Xi6gAOqVSyehTDWPH F1E3n/u9lRSfKeI9Uv4CQ4WhvWUZgrSKf5s+Ck4b9YB9CWA9MzkxndzmUPrDtkmMAd2weMVSF/A k8XCqAglP9Urw/5vyVQ== X-Proofpoint-ORIG-GUID: Qjepp8j_D9n0D7QUEdQ2M585UDSciE_Q X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-03_03,2026-07-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 impostorscore=0 phishscore=0 spamscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607030198 Switch from of_reserved_mem_device_init() to the new resource managed devm_of_reserved_mem_device_init() so that the reserved memory region is released automatically on probe failure or device unbind. This eliminates the err_rmem cleanup label and the need to call of_reserved_mem_device_release() explicitly on error paths. Signed-off-by: Mukesh Ojha --- drivers/firmware/qcom/qcom_scm.c | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-) diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index 26bf87247afa..0f9559b9cc53 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -2779,17 +2779,15 @@ static int qcom_scm_probe(struct platform_device *pdev) if (ret) return ret; - ret = of_reserved_mem_device_init(scm->dev); + ret = devm_of_reserved_mem_device_init(scm->dev); if (ret && ret != -ENODEV) return dev_err_probe(scm->dev, ret, "Failed to setup the reserved memory region for TZ mem\n"); ret = qcom_tzmem_enable(scm->dev); - if (ret) { - ret = dev_err_probe(scm->dev, ret, - "Failed to enable the TrustZone memory allocator\n"); - goto err_rmem; - } + if (ret) + return dev_err_probe(scm->dev, ret, + "Failed to enable the TrustZone memory allocator\n"); memset(&pool_config, 0, sizeof(pool_config)); pool_config.initial_size = 0; @@ -2797,11 +2795,9 @@ static int qcom_scm_probe(struct platform_device *pdev) pool_config.max_size = SZ_256K; scm->mempool = devm_qcom_tzmem_pool_new(scm->dev, &pool_config); - if (IS_ERR(scm->mempool)) { - ret = dev_err_probe(scm->dev, PTR_ERR(scm->mempool), - "Failed to create the SCM memory pool\n"); - goto err_rmem; - } + if (IS_ERR(scm->mempool)) + return dev_err_probe(scm->dev, PTR_ERR(scm->mempool), + "Failed to create the SCM memory pool\n"); ret = qcom_scm_query_waitq_count(scm); scm->wq_cnt = ret < 0 ? QCOM_SCM_DEFAULT_WAITQ_COUNT : ret; @@ -2872,10 +2868,6 @@ static int qcom_scm_probe(struct platform_device *pdev) qcom_scm_gunyah_wdt_init(scm); return 0; - -err_rmem: - of_reserved_mem_device_release(scm->dev); - return ret; } static void qcom_scm_shutdown(struct platform_device *pdev) -- 2.53.0