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Wed, 02 Sep 2026 13:17:08 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33256414c60sm497205eec.24.2026.09.02.13.17.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Sep 2026 13:17:08 -0700 (PDT) From: Mukesh Ojha To: 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 Cc: Ryan Chen , Billy Tsai , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-sunxi@lists.linux.dev, Mukesh Ojha Subject: [PATCH v2 2/11] drm: hdlcd: Use devm_of_reserved_mem_device_init() Date: Thu, 3 Sep 2026 01:46:31 +0530 Message-ID: <20260902201640.2024648-3-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260902201640.2024648-1-mukesh.ojha@oss.qualcomm.com> References: <20260902201640.2024648-1-mukesh.ojha@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: 9CKLh7LLqNw4UH0tGhqAluY2e5GlrPzN X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAyMDE3OSBTYWx0ZWRfX09kzV+a8iPWw p3ilGt2u8hKjBY0jH2Gbkv0BigHe480fY9dUSg+yEJuKVlZxLAYuVjMqnUMZqdMV+WBrDR7ALjc W61CUeD07IyJq2end6VQkyPzcRGJ38daVyF5kfurPHW/iFTk4McMgNPxyDAjYN7dAAcWPu/40Zb 3VG9+pu3aBXQ1g4TAF3EWlhB55PuxxMglQaTpR5qneuOhR6Py2ymOAWqvfn3uRHSptS5eNiNYpn qXk6zFbx9rtV349JSlTuppxjfcG/2pWE5EkBCW9b4r6IMwtdYssT8Kwy6bTfaaVO9VopuVb5KSv 2Q34ZgyAs6wsLRtbOmTFp7JQpswTs/WwpQ5MKYksQGGxsRakPyeIz5cvXm+6iV0BOi1Ya0pd0fh s1zP+klTjF72TqPn/juYF7f4icf4DXrxzNVtT7jeQSSlfk8xWzfnMcK4/vcrlPH6SOMUN2sZXd3 nGj25Vj63d0TQKwY+wQ== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAyMDE3OSBTYWx0ZWRfX9F6A8/IKGQa5 ye9Byf/NQKwPn6tndGpwu230fmYagJXCUl4e7e43YFp1L69P8enTIrQqKnKmir2ujndBOw0Ao/j UwXRdYISXmsEpaqj1RtiSerSUsyMnYk= X-Authority-Analysis: v=2.4 cv=ErHiaycA c=1 sm=1 tr=0 ts=6a988447 cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=7CQSdrXTAAAA:8 a=EUspDBNiAAAA:8 a=zu8Q1U5i7KxegdXecekA:9 a=mQ_c8vxmzFEMiUWkPHU9:22 a=a-qgeE7W1pNrGK8U0ZQC:22 X-Proofpoint-ORIG-GUID: 9CKLh7LLqNw4UH0tGhqAluY2e5GlrPzN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-02_05,2026-09-02_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 adultscore=0 malwarescore=0 spamscore=0 impostorscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609020179 Switch to devm_of_reserved_mem_device_init() so the reserved memory region is released automatically on probe failure or device unbind. Remove the three explicit of_reserved_mem_device_release() calls in the setup_fail error path, the bind error path, and hdlcd_drm_unbind(). Reviewed-by: Liviu Dudau Signed-off-by: Mukesh Ojha --- drivers/gpu/drm/arm/hdlcd_drv.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c index 81d45f2dd6a7..67466fd441d5 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -134,7 +134,7 @@ static int hdlcd_load(struct drm_device *drm, unsigned long flags) version & HDLCD_VERSION_MINOR_MASK); /* Get the optional framebuffer memory resource */ - ret = of_reserved_mem_device_init(drm->dev); + ret = devm_of_reserved_mem_device_init(drm->dev); if (ret && ret != -ENODEV) return ret; @@ -164,8 +164,6 @@ static int hdlcd_load(struct drm_device *drm, unsigned long flags) irq_fail: drm_crtc_cleanup(&hdlcd->crtc); setup_fail: - of_reserved_mem_device_release(drm->dev); - return ret; } @@ -316,7 +314,6 @@ static int hdlcd_drm_bind(struct device *dev) of_node_put(hdlcd->crtc.port); hdlcd->crtc.port = NULL; hdlcd_irq_uninstall(hdlcd); - of_reserved_mem_device_release(drm->dev); err_free: dev_set_drvdata(dev, NULL); return ret; @@ -338,7 +335,6 @@ static void hdlcd_drm_unbind(struct device *dev) pm_runtime_put(dev); if (pm_runtime_enabled(dev)) pm_runtime_disable(dev); - of_reserved_mem_device_release(dev); dev_set_drvdata(dev, NULL); } -- 2.55.0