Hi Akhil, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on vkoul-dmaengine/next arm64/for-next/core v5.15-rc7 next-20211028] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Akhil-R/Add-NVIDIA-Tegra-GPC-DMA-driver/20211028-212920 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: arm64-defconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/020f86b695432467db8b697540871173f6d751c8 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Akhil-R/Add-NVIDIA-Tegra-GPC-DMA-driver/20211028-212920 git checkout 020f86b695432467db8b697540871173f6d751c8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/dma/tegra186-gpc-dma.c: In function 'tegra_dma_sid_reserve': >> drivers/dma/tegra186-gpc-dma.c:299:9: warning: enumeration value 'DMA_MEM_TO_MEM' not handled in switch [-Wswitch] 299 | switch (direction) { | ^~~~~~ >> drivers/dma/tegra186-gpc-dma.c:299:9: warning: enumeration value 'DMA_DEV_TO_DEV' not handled in switch [-Wswitch] >> drivers/dma/tegra186-gpc-dma.c:299:9: warning: enumeration value 'DMA_TRANS_NONE' not handled in switch [-Wswitch] drivers/dma/tegra186-gpc-dma.c: In function 'tegra_dma_sid_free': drivers/dma/tegra186-gpc-dma.c:324:9: warning: enumeration value 'DMA_MEM_TO_MEM' not handled in switch [-Wswitch] 324 | switch (tdc->sid_dir) { | ^~~~~~ drivers/dma/tegra186-gpc-dma.c:324:9: warning: enumeration value 'DMA_DEV_TO_DEV' not handled in switch [-Wswitch] drivers/dma/tegra186-gpc-dma.c:324:9: warning: enumeration value 'DMA_TRANS_NONE' not handled in switch [-Wswitch] In file included from drivers/dma/tegra186-gpc-dma.c:8: drivers/dma/tegra186-gpc-dma.c: In function 'get_burst_size': include/linux/minmax.h:20:35: warning: comparison of distinct pointer types lacks a cast 20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) | ^~ include/linux/minmax.h:26:18: note: in expansion of macro '__typecheck' 26 | (__typecheck(x, y) && __no_side_effects(x, y)) | ^~~~~~~~~~~ include/linux/minmax.h:36:31: note: in expansion of macro '__safe_cmp' 36 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/minmax.h:45:25: note: in expansion of macro '__careful_cmp' 45 | #define min(x, y) __careful_cmp(x, y, <) | ^~~~~~~~~~~~~ include/linux/minmax.h:89:28: note: in expansion of macro 'min' 89 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi) | ^~~ include/linux/minmax.h:26:18: note: in expansion of macro '__typecheck' 26 | (__typecheck(x, y) && __no_side_effects(x, y)) | ^~~~~~~~~~~ include/linux/minmax.h:36:31: note: in expansion of macro '__safe_cmp' 36 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/minmax.h:52:25: note: in expansion of macro '__careful_cmp' 52 | #define max(x, y) __careful_cmp(x, y, >) | ^~~~~~~~~~~~~ include/linux/minmax.h:89:45: note: in expansion of macro 'max' 89 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi) | ^~~ drivers/dma/tegra186-gpc-dma.c:692:9: note: in expansion of macro 'clamp' 692 | clamp(burst_mmio_width, TEGRA_GPCDMA_MMIOSEQ_BURST_MIN, | ^~~~~ include/linux/minmax.h:20:35: warning: comparison of distinct pointer types lacks a cast 20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) | ^~ include/linux/minmax.h:26:18: note: in expansion of macro '__typecheck' 26 | (__typecheck(x, y) && __no_side_effects(x, y)) | ^~~~~~~~~~~ include/linux/minmax.h:36:31: note: in expansion of macro '__safe_cmp' 36 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/minmax.h:45:25: note: in expansion of macro '__careful_cmp' 45 | #define min(x, y) __careful_cmp(x, y, <) | ^~~~~~~~~~~~~ include/linux/minmax.h:89:28: note: in expansion of macro 'min' 89 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi) | ^~~ drivers/dma/tegra186-gpc-dma.c:692:9: note: in expansion of macro 'clamp' 692 | clamp(burst_mmio_width, TEGRA_GPCDMA_MMIOSEQ_BURST_MIN, | ^~~~~ In file included from include/linux/minmax.h:5, from drivers/dma/tegra186-gpc-dma.c:8: include/linux/minmax.h:20:35: warning: comparison of distinct pointer types lacks a cast 20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) | ^~ include/linux/const.h:12:55: note: in definition of macro '__is_constexpr' 12 | (sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8))) | ^ include/linux/minmax.h:26:39: note: in expansion of macro '__no_side_effects' 26 | (__typecheck(x, y) && __no_side_effects(x, y)) | ^~~~~~~~~~~~~~~~~ include/linux/minmax.h:36:31: note: in expansion of macro '__safe_cmp' 36 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/minmax.h:45:25: note: in expansion of macro '__careful_cmp' 45 | #define min(x, y) __careful_cmp(x, y, <) | ^~~~~~~~~~~~~ include/linux/minmax.h:89:28: note: in expansion of macro 'min' 89 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi) | ^~~ include/linux/minmax.h:26:18: note: in expansion of macro '__typecheck' 26 | (__typecheck(x, y) && __no_side_effects(x, y)) | ^~~~~~~~~~~ include/linux/minmax.h:36:31: note: in expansion of macro '__safe_cmp' 36 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/minmax.h:52:25: note: in expansion of macro '__careful_cmp' 52 | #define max(x, y) __careful_cmp(x, y, >) | ^~~~~~~~~~~~~ include/linux/minmax.h:89:45: note: in expansion of macro 'max' 89 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi) | ^~~ drivers/dma/tegra186-gpc-dma.c:692:9: note: in expansion of macro 'clamp' 692 | clamp(burst_mmio_width, TEGRA_GPCDMA_MMIOSEQ_BURST_MIN, | ^~~~~ In file included from drivers/dma/tegra186-gpc-dma.c:8: include/linux/minmax.h:20:35: warning: comparison of distinct pointer types lacks a cast 20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) | ^~ include/linux/minmax.h:28:27: note: in definition of macro '__cmp' 28 | #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) | ^ include/linux/minmax.h:45:25: note: in expansion of macro '__careful_cmp' 45 | #define min(x, y) __careful_cmp(x, y, <) vim +/DMA_MEM_TO_MEM +299 drivers/dma/tegra186-gpc-dma.c 289 290 static int tegra_dma_sid_reserve(struct tegra_dma_channel *tdc, 291 enum dma_transfer_direction direction) 292 { 293 struct tegra_dma *tdma = tdc->tdma; 294 unsigned int sid = tdc->slave_id; 295 296 if (!is_slave_direction(direction)) 297 return 0; 298 > 299 switch (direction) { 300 case DMA_MEM_TO_DEV: 301 if (test_and_set_bit(sid, &tdma->sid_m2d_reserved)) { 302 dev_err(tdma->dev, "slave id already in use\n"); 303 return -EINVAL; 304 } 305 break; 306 case DMA_DEV_TO_MEM: 307 if (test_and_set_bit(sid, &tdma->sid_d2m_reserved)) { 308 dev_err(tdma->dev, "slave id already in use\n"); 309 return -EINVAL; 310 } 311 break; 312 } 313 314 tdc->sid_dir = direction; 315 316 return 0; 317 } 318 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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