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Date: Sun, 17 Jul 2022 14:53:56 +0800 From: kernel test robot <lkp@...el.com> To: Wojciech Bartczak <wbartczak@...vell.com>, linux-kernel@...r.kernel.org Cc: kbuild-all@...ts.01.org, wbartczak@...il.com, Jassi Brar <jassisinghbrar@...il.com>, Piyush Malgujar <pmalgujar@...vell.com>, Sunil Goutham <sgoutham@...vell.com> Subject: Re: [PATCH 2/2] mailbox: mvl_mhu: Add support for Marvell Message Handling Unit Hi Wojciech, I love your patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on fujitsu-integration/mailbox-for-next linus/master v5.19-rc6 next-20220715] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Wojciech-Bartczak/Add-support-for-Marvell-MHU-on-CN9x-and-CN10x-SoC/20220714-201522 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220717/202207171422.pEzwmwkV-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/f04835250e257b46acead49e6233aa6857e159df git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Wojciech-Bartczak/Add-support-for-Marvell-MHU-on-CN9x-and-CN10x-SoC/20220714-201522 git checkout f04835250e257b46acead49e6233aa6857e159df # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/mailbox/ drivers/of/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@...el.com> All warnings (new ones prefixed by >>): drivers/mailbox/mvl_mhu.c: In function 'mhu_pci_setup_irq': >> drivers/mailbox/mvl_mhu.c:331:29: warning: variable 'np' set but not used [-Wunused-but-set-variable] 331 | struct device_node *np; | ^~ vim +/np +331 drivers/mailbox/mvl_mhu.c 325 326 /* PCI interface in case of LPI based configuration */ 327 static int mhu_pci_setup_irq(struct pci_dev *pdev) 328 { 329 struct device *dev; 330 struct mhu *mhu; > 331 struct device_node *np; 332 int irq, ret, nvec; 333 334 mhu = pci_get_drvdata(pdev); 335 dev = &pdev->dev; 336 np = dev->of_node; 337 338 nvec = pci_alloc_irq_vectors(pdev, 0, 3, PCI_IRQ_MSIX); 339 if (nvec < 0) 340 return nvec; 341 342 irq = pci_irq_vector(pdev, SCP_TO_AP_INTERRUPT); 343 if (irq < 0) { 344 ret = irq; 345 goto irq_err; 346 } 347 348 ret = devm_request_threaded_irq(dev, irq, mhu_rx_interrupt, 349 mhu_rx_interrupt_thread, 0, 350 "mvl-mhu", mhu); 351 if (ret) 352 goto irq_err; 353 354 return 0; 355 356 irq_err: 357 pci_free_irq_vectors(pdev); 358 359 return ret; 360 } 361 -- 0-DAY CI Kernel Test Service https://01.org/lkp
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