tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f9a6bea131849702d591d18d5c8b8a0eda6f62b3 commit: 9958d85968ed2df4b704105fd2a9c3669eb9cd97 [10163/11653] ASoC: Use device_get_match_data() config: hexagon-randconfig-r002-20211203 (https://download.01.org/0day-ci/archive/20231013/202310131310.Em4Ucd4e-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231013/202310131310.Em4Ucd4e-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310131310.Em4Ucd4e-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from sound/soc/rockchip/rockchip_i2s_tdm.c:15: In file included from include/linux/regmap.h:20: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from sound/soc/rockchip/rockchip_i2s_tdm.c:15: In file included from include/linux/regmap.h:20: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from sound/soc/rockchip/rockchip_i2s_tdm.c:15: In file included from include/linux/regmap.h:20: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ >> sound/soc/rockchip/rockchip_i2s_tdm.c:1315:34: warning: unused variable 'rockchip_i2s_tdm_match' [-Wunused-const-variable] static const struct of_device_id rockchip_i2s_tdm_match[] = { ^ 7 warnings generated. vim +/rockchip_i2s_tdm_match +1315 sound/soc/rockchip/rockchip_i2s_tdm.c 081068fd641403 Nicolas Frattaroli 2021-10-01 1314 081068fd641403 Nicolas Frattaroli 2021-10-01 @1315 static const struct of_device_id rockchip_i2s_tdm_match[] = { 081068fd641403 Nicolas Frattaroli 2021-10-01 1316 { .compatible = "rockchip,px30-i2s-tdm", .data = &px30_i2s_soc_data }, 081068fd641403 Nicolas Frattaroli 2021-10-01 1317 { .compatible = "rockchip,rk1808-i2s-tdm", .data = &rk1808_i2s_soc_data }, 081068fd641403 Nicolas Frattaroli 2021-10-01 1318 { .compatible = "rockchip,rk3308-i2s-tdm", .data = &rk3308_i2s_soc_data }, 081068fd641403 Nicolas Frattaroli 2021-10-01 1319 { .compatible = "rockchip,rk3568-i2s-tdm", .data = &rk3568_i2s_soc_data }, c619bd4268ff98 Nicolas Frattaroli 2022-10-25 1320 { .compatible = "rockchip,rk3588-i2s-tdm" }, 081068fd641403 Nicolas Frattaroli 2021-10-01 1321 { .compatible = "rockchip,rv1126-i2s-tdm", .data = &rv1126_i2s_soc_data }, 081068fd641403 Nicolas Frattaroli 2021-10-01 1322 {}, 081068fd641403 Nicolas Frattaroli 2021-10-01 1323 }; 081068fd641403 Nicolas Frattaroli 2021-10-01 1324 :::::: The code at line 1315 was first introduced by commit :::::: 081068fd641403994f0505e6b91e021d3925f348 ASoC: rockchip: add support for i2s-tdm controller :::::: TO: Nicolas Frattaroli <frattaroli.nicolas@xxxxxxxxx> :::::: CC: Mark Brown <broonie@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
