Hi Tian,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on next-20200305] [cannot apply to linus/master v5.6-rc4 v5.6-rc3 v5.6-rc2 v5.6-rc4] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Tian-Tao/drm-hisilicon-Add-the-load... base: 47466dcf84ee66a973ea7d2fca7e582fe9328932 config: arm64-defconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=arm64
If you fix the issue, kindly add following tag Reported-by: kbuild test robot lkp@intel.com
All warnings (new ones prefixed by >>):
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c: In function 'hibmc_unload':
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c:280:9: warning: 'return' with a value, in function returning void
return 0; ^ drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c:265:6: note: declared here void hibmc_unload(struct drm_device *dev) ^~~~~~~~~~~~ drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c: In function 'hibmc_pci_probe': drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c:345:21: warning: unused variable 'dev' [-Wunused-variable] struct drm_device *dev; ^~~
vim +/return +280 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
5e0df3a08f3d17 Rongrong Zou 2016-11-16 264 da3ad5dfcca37d Tian Tao 2020-03-06 265 void hibmc_unload(struct drm_device *dev) 5e0df3a08f3d17 Rongrong Zou 2016-11-16 266 { e4daebc77e7b34 Rongrong Zou 2016-11-16 267 struct hibmc_drm_private *priv = dev->dev_private; e4daebc77e7b34 Rongrong Zou 2016-11-16 268 b3df5e65cc0369 Daniel Vetter 2017-06-21 269 drm_atomic_helper_shutdown(dev); b3df5e65cc0369 Daniel Vetter 2017-06-21 270 1d98b91611725e Rongrong Zou 2016-11-16 271 if (dev->irq_enabled) 1d98b91611725e Rongrong Zou 2016-11-16 272 drm_irq_uninstall(dev); 1d98b91611725e Rongrong Zou 2016-11-16 273 if (priv->msi_enabled) 1d98b91611725e Rongrong Zou 2016-11-16 274 pci_disable_msi(dev->pdev); 1d98b91611725e Rongrong Zou 2016-11-16 275 da52605eea8f2c Rongrong Zou 2016-11-16 276 hibmc_kms_fini(priv); e4daebc77e7b34 Rongrong Zou 2016-11-16 277 hibmc_mm_fini(priv); da3ad5dfcca37d Tian Tao 2020-03-06 278 hibmc_hw_unmap(priv); e4daebc77e7b34 Rongrong Zou 2016-11-16 279 dev->dev_private = NULL; 5e0df3a08f3d17 Rongrong Zou 2016-11-16 @280 return 0; 5e0df3a08f3d17 Rongrong Zou 2016-11-16 281 } 5e0df3a08f3d17 Rongrong Zou 2016-11-16 282
:::::: The code at line 280 was first introduced by commit :::::: 5e0df3a08f3d17485a5081634902424c6834e001 drm/hisilicon/hibmc: Add hisilicon hibmc drm master driver
:::::: TO: Rongrong Zou zourongrong@gmail.com :::::: CC: Rongrong Zou zourongrong@gmail.com
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