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R. Silva" , Ulf Hansson Cc: oe-kbuild-all@lists.linux.dev, kernel@collabora.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-hardening@vger.kernel.org, linux-pm@vger.kernel.org, Nicolas Frattaroli Subject: Re: [PATCH v7 5/5] pmdomain: mediatek: Add support for MFlexGraphics Message-ID: <202510160419.8PPrVXUl-lkp@intel.com> References: <20251015-mt8196-gpufreq-v7-5-0a6435da2080@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251015-mt8196-gpufreq-v7-5-0a6435da2080@collabora.com> Hi Nicolas, kernel test robot noticed the following build warnings: [auto build test WARNING on 40a3abb0f3e5229996c8ef0498fc8d8a0c2bd64f] url: https://github.com/intel-lab-lkp/linux/commits/Nicolas-Frattaroli/dt-bindings-gpu-mali-valhall-csf-add-mediatek-mt8196-mali-variant/20251015-165256 base: 40a3abb0f3e5229996c8ef0498fc8d8a0c2bd64f patch link: https://lore.kernel.org/r/20251015-mt8196-gpufreq-v7-5-0a6435da2080%40collabora.com patch subject: [PATCH v7 5/5] pmdomain: mediatek: Add support for MFlexGraphics config: arm64-randconfig-002-20251016 (https://download.01.org/0day-ci/archive/20251016/202510160419.8PPrVXUl-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 13.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251016/202510160419.8PPrVXUl-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202510160419.8PPrVXUl-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/linux/preempt.h:11, from include/linux/spinlock.h:56, from include/linux/swait.h:7, from include/linux/completion.h:12, from drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:8: In function '__free_device_node', inlined from 'mtk_mfg_probe' at drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:877:22: >> include/linux/of.h:138:51: warning: 'shmem' is used uninitialized [-Wuninitialized] 138 | DEFINE_FREE(device_node, struct device_node *, if (_T) of_node_put(_T)) | ^ include/linux/cleanup.h:211:78: note: in definition of macro 'DEFINE_FREE' 211 | static inline void __free_##_name(void *p) { _type _T = *(_type *)p; _free; } | ^~~~~ drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c: In function 'mtk_mfg_probe': drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:877:29: note: 'shmem' was declared here 877 | struct device_node *shmem __free(device_node); | ^~~~~ vim +/shmem +138 include/linux/of.h 0829f6d1f69e4f Pantelis Antoniou 2013-12-13 126 0f22dd395fc473 Grant Likely 2012-02-15 127 #ifdef CONFIG_OF_DYNAMIC 0f22dd395fc473 Grant Likely 2012-02-15 128 extern struct device_node *of_node_get(struct device_node *node); 0f22dd395fc473 Grant Likely 2012-02-15 129 extern void of_node_put(struct device_node *node); 0f22dd395fc473 Grant Likely 2012-02-15 130 #else /* CONFIG_OF_DYNAMIC */ 3ecdd0515287af Rob Herring 2011-12-13 131 /* Dummy ref counting routines - to be implemented later */ 3ecdd0515287af Rob Herring 2011-12-13 132 static inline struct device_node *of_node_get(struct device_node *node) 3ecdd0515287af Rob Herring 2011-12-13 133 { 3ecdd0515287af Rob Herring 2011-12-13 134 return node; 3ecdd0515287af Rob Herring 2011-12-13 135 } 0f22dd395fc473 Grant Likely 2012-02-15 136 static inline void of_node_put(struct device_node *node) { } 0f22dd395fc473 Grant Likely 2012-02-15 137 #endif /* !CONFIG_OF_DYNAMIC */ 9448e55d032d99 Jonathan Cameron 2024-02-25 @138 DEFINE_FREE(device_node, struct device_node *, if (_T) of_node_put(_T)) 3ecdd0515287af Rob Herring 2011-12-13 139 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki