Hi Boris, I love your patch! Perhaps something to improve: [auto build test WARNING on linuxtv-media/master] [cannot apply to v5.4-rc2 next-20191011] [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/Boris-Brezillon/media-rockchip-Add-the-rkvdec-driver/20191013-235029 base: git://linuxtv.org/media_tree.git master reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-43-g0ccb3b4-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) >> drivers/staging/media/rockchip/vdec/rkvdec.c:498:22: sparse: sparse: symbol 'rkvdec_queue_ops' was not declared. Should it be static? -- >> drivers/staging/media/rockchip/vdec/rkvdec-h264.c:698:19: sparse: sparse: symbol 'get_ref_buf' was not declared. Should it be static? >> drivers/staging/media/rockchip/vdec/rkvdec.h:112:36: sparse: sparse: shift too big (32) for type int >> drivers/staging/media/rockchip/vdec/rkvdec.h:115:21: sparse: sparse: shift too big (32) for type unsigned int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967268) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967276) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967277) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967279) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967282) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967285) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967286) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967290) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967295) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967269) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967270) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967279) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967288) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967289) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967290) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967291) for type int >> drivers/staging/media/rockchip/vdec/rkvdec.h:112:36: sparse: sparse: shift too big (32) for type int >> drivers/staging/media/rockchip/vdec/rkvdec.h:115:21: sparse: sparse: shift too big (32) for type unsigned int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967272) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967277) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967278) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967279) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967284) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967289) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967290) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967292) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967273) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967278) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967279) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967280) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967281) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967282) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967287) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:116:39: sparse: sparse: shift too big (4294967288) for type int drivers/staging/media/rockchip/vdec/rkvdec.h:119:36: sparse: sparse: shift too big (32) for type int Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation