Hi Maxime, Do you have any experience in solving this problem? It seems the PHYS_OFFSET maybe undeclared when the ARCH is not arm. On Fri, 26 Jan 2018 08:04:18 +0800 kbuild test robot <lkp@xxxxxxxxx> wrote: > Hi Yong, > > I love your patch! Yet something to improve: > > [auto build test ERROR on linuxtv-media/master] > [also build test ERROR on v4.15-rc9 next-20180119] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Yong-Deng/dt-bindings-media-Add-Allwinner-V3s-Camera-Sensor-Interface-CSI/20180126-054511 > base: git://linuxtv.org/media_tree.git master > config: i386-allmodconfig (attached as .config) > compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > All errors (new ones prefixed by >>): > > drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c: In function 'sun6i_csi_update_buf_addr': > >> drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c:567:31: error: 'PHYS_OFFSET' undeclared (first use in this function); did you mean 'PAGE_OFFSET'? > dma_addr_t bus_addr = addr - PHYS_OFFSET; > ^~~~~~~~~~~ > PAGE_OFFSET > drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c:567:31: note: each undeclared identifier is reported only once for each function it appears in > > vim +567 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c > > 562 > 563 void sun6i_csi_update_buf_addr(struct sun6i_csi *csi, dma_addr_t addr) > 564 { > 565 struct sun6i_csi_dev *sdev = sun6i_csi_to_dev(csi); > 566 /* transform physical address to bus address */ > > 567 dma_addr_t bus_addr = addr - PHYS_OFFSET; > 568 > 569 regmap_write(sdev->regmap, CSI_CH_F0_BUFA_REG, > 570 (bus_addr + sdev->planar_offset[0]) >> 2); > 571 if (sdev->planar_offset[1] != -1) > 572 regmap_write(sdev->regmap, CSI_CH_F1_BUFA_REG, > 573 (bus_addr + sdev->planar_offset[1]) >> 2); > 574 if (sdev->planar_offset[2] != -1) > 575 regmap_write(sdev->regmap, CSI_CH_F2_BUFA_REG, > 576 (bus_addr + sdev->planar_offset[2]) >> 2); > 577 } > 578 > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation Thanks, Yong
