tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: dd27435af10bb67660f1e9f5689aea1854c20f26 commit: 57fae3d0483b8bde28bd2203a32197505f374ad1 [9476/9481] drivers/net/wireless/intel/iwlwifi/dvm/calib.c: simplfy min() expression config: i386-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: git checkout 57fae3d0483b8bde28bd2203a32197505f374ad1 # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from include/linux/kernel.h:13:0, from include/linux/list.h:8, from include/linux/preempt.h:10, from include/linux/spinlock.h:50, from include/linux/seqlock.h:35, from include/linux/time.h:5, from include/linux/videodev2.h:59, from include/media/v4l2-event.h:29, from drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c:16: drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c: In function 'mtk_venc_worker': >> drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h:40:12: warning: format '%lx' expects argument of type 'long unsigned int', but argument 7 has type 'size_t {aka unsigned int}' [-Wformat=] pr_info("[MTK_V4L2] level=%d %s(),%d: " fmt "\n",\ ^ include/linux/printk.h:251:21: note: in definition of macro 'pr_fmt' #define pr_fmt(fmt) fmt ^~~ drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h:40:4: note: in expansion of macro 'pr_info' pr_info("[MTK_V4L2] level=%d %s(),%d: " fmt "\n",\ ^~~~~~~ drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c:1030:2: note: in expansion of macro 'mtk_v4l2_debug' mtk_v4l2_debug(2, ^~~~~~~~~~~~~~ drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h:40:12: warning: format '%lx' expects argument of type 'long unsigned int', but argument 10 has type 'size_t {aka unsigned int}' [-Wformat=] pr_info("[MTK_V4L2] level=%d %s(),%d: " fmt "\n",\ ^ include/linux/printk.h:251:21: note: in definition of macro 'pr_fmt' #define pr_fmt(fmt) fmt ^~~ drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h:40:4: note: in expansion of macro 'pr_info' pr_info("[MTK_V4L2] level=%d %s(),%d: " fmt "\n",\ ^~~~~~~ drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c:1030:2: note: in expansion of macro 'mtk_v4l2_debug' mtk_v4l2_debug(2, ^~~~~~~~~~~~~~ vim +40 drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h 4e855a6e Tiffany Lin 2016-05-03 24 void *va; 4e855a6e Tiffany Lin 2016-05-03 25 dma_addr_t dma_addr; 4e855a6e Tiffany Lin 2016-05-03 26 }; 4e855a6e Tiffany Lin 2016-05-03 27 4e855a6e Tiffany Lin 2016-05-03 28 struct mtk_vcodec_ctx; 4e855a6e Tiffany Lin 2016-05-03 29 4e855a6e Tiffany Lin 2016-05-03 30 extern int mtk_v4l2_dbg_level; 4e855a6e Tiffany Lin 2016-05-03 31 extern bool mtk_vcodec_dbg; 4e855a6e Tiffany Lin 2016-05-03 32 4e855a6e Tiffany Lin 2016-05-03 33 #define DEBUG 1 4e855a6e Tiffany Lin 2016-05-03 34 4e855a6e Tiffany Lin 2016-05-03 35 #if defined(DEBUG) 4e855a6e Tiffany Lin 2016-05-03 36 4e855a6e Tiffany Lin 2016-05-03 37 #define mtk_v4l2_debug(level, fmt, args...) \ 4e855a6e Tiffany Lin 2016-05-03 38 do { \ 4e855a6e Tiffany Lin 2016-05-03 39 if (mtk_v4l2_dbg_level >= level) \ 4e855a6e Tiffany Lin 2016-05-03 @40 pr_info("[MTK_V4L2] level=%d %s(),%d: " fmt "\n",\ 4e855a6e Tiffany Lin 2016-05-03 41 level, __func__, __LINE__, ##args); \ 4e855a6e Tiffany Lin 2016-05-03 42 } while (0) 4e855a6e Tiffany Lin 2016-05-03 43 4e855a6e Tiffany Lin 2016-05-03 44 #define mtk_v4l2_err(fmt, args...) \ 4e855a6e Tiffany Lin 2016-05-03 45 pr_err("[MTK_V4L2][ERROR] %s:%d: " fmt "\n", __func__, __LINE__, \ 4e855a6e Tiffany Lin 2016-05-03 46 ##args) 4e855a6e Tiffany Lin 2016-05-03 47 4e855a6e Tiffany Lin 2016-05-03 48 :::::: The code at line 40 was first introduced by commit :::::: 4e855a6efa5470d87d6148e3eb0d881255876c74 [media] vcodec: mediatek: Add Mediatek V4L2 Video Encoder Driver :::::: TO: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx> :::::: CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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