Hi Jacopo, Thank you for the patch! Yet something to improve: [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v4.16-rc2 next-20180220] [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/Jacopo-Mondi/Renesas-Capture-Engine-Unit-CEU-V4L2-driver/20180220-101027 base: git://linuxtv.org/media_tree.git master config: i386-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/media/platform/renesas-ceu.c: In function 'ceu_g_parm': >> drivers/media/platform/renesas-ceu.c:1177:9: error: implicit declaration of function 'v4l2_g_parm_cap'; did you mean 'v4l2_g_ctrl'? [-Werror=implicit-function-declaration] return v4l2_g_parm_cap(video_devdata(file), ceudev->sd->v4l2_sd, a); ^~~~~~~~~~~~~~~ v4l2_g_ctrl drivers/media/platform/renesas-ceu.c: In function 'ceu_s_parm': >> drivers/media/platform/renesas-ceu.c:1184:9: error: implicit declaration of function 'v4l2_s_parm_cap'; did you mean 'v4l2_s_ctrl'? [-Werror=implicit-function-declaration] return v4l2_s_parm_cap(video_devdata(file), ceudev->sd->v4l2_sd, a); ^~~~~~~~~~~~~~~ v4l2_s_ctrl drivers/media/platform/renesas-ceu.c: In function 'ceu_start_streaming': drivers/media/platform/renesas-ceu.c:290:2: warning: 'cdwdr' may be used uninitialized in this function [-Wmaybe-uninitialized] iowrite32(data, priv->base + reg_offs); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/renesas-ceu.c:338:27: note: 'cdwdr' was declared here u32 camcr, cdocr, cfzsr, cdwdr, capwr; ^~~~~ drivers/media/platform/renesas-ceu.c:290:2: warning: 'cfzsr' may be used uninitialized in this function [-Wmaybe-uninitialized] iowrite32(data, priv->base + reg_offs); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/renesas-ceu.c:338:20: note: 'cfzsr' was declared here u32 camcr, cdocr, cfzsr, cdwdr, capwr; ^~~~~ drivers/media/platform/renesas-ceu.c:418:8: warning: 'camcr' may be used uninitialized in this function [-Wmaybe-uninitialized] camcr |= mbus_flags & V4L2_MBUS_HSYNC_ACTIVE_LOW ? 1 << 0 : 0; ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/renesas-ceu.c:338:6: note: 'camcr' was declared here u32 camcr, cdocr, cfzsr, cdwdr, capwr; ^~~~~ drivers/media/platform/renesas-ceu.c: In function 'ceu_probe': drivers/media/platform/renesas-ceu.c:1623:9: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] return ret; ^~~ cc1: some warnings being treated as errors vim +1177 drivers/media/platform/renesas-ceu.c 1172 1173 static int ceu_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 1174 { 1175 struct ceu_device *ceudev = video_drvdata(file); 1176 > 1177 return v4l2_g_parm_cap(video_devdata(file), ceudev->sd->v4l2_sd, a); 1178 } 1179 1180 static int ceu_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 1181 { 1182 struct ceu_device *ceudev = video_drvdata(file); 1183 > 1184 return v4l2_s_parm_cap(video_devdata(file), ceudev->sd->v4l2_sd, a); 1185 } 1186 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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