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R. Silva" Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, "Gustavo A. R. Silva" , LKML Subject: [gustavoars:testing/wfamnae-next20260309 4/20] drivers/scsi/aic94xx/aic94xx_reg.h:252:37: warning: shift count >= width of type Message-ID: <202603181032.wGSYPsWt-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/wfamnae-next20260309 head: 323b1c00c49eb37524b7f91e1223f813990b4cce commit: ace05b14a5eb00ab69a4968656f46e6b8b4a60fa [4/20] scsi: libsas/aci94xx: Avoid multiple -Wflex-array-member-not-at-end warnings config: powerpc-randconfig-001-20260318 (https://download.01.org/0day-ci/archive/20260318/202603181032.wGSYPsWt-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 4abb927bacf37f18f6359a41639a6d1b3bffffb5) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260318/202603181032.wGSYPsWt-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202603181032.wGSYPsWt-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/scsi/aic94xx/aic94xx_hwi.c:16: In file included from drivers/scsi/aic94xx/aic94xx_reg.h:13: In file included from drivers/scsi/aic94xx/aic94xx_hwi.h:19: drivers/scsi/aic94xx/aic94xx_sas.h:323:28: error: field has incomplete type 'struct ssp_command_iu_hdr' 323 | struct ssp_command_iu_hdr ssp_cmd; | ^ drivers/scsi/aic94xx/aic94xx_sas.h:323:9: note: forward declaration of 'struct ssp_command_iu_hdr' 323 | struct ssp_command_iu_hdr ssp_cmd; | ^ In file included from drivers/scsi/aic94xx/aic94xx_hwi.c:16: >> drivers/scsi/aic94xx/aic94xx_reg.h:252:37: warning: shift count >= width of type [-Wshift-count-overflow] 252 | asd_write_reg_dword(asd_ha, reg+4, ASD_BUSADDR_HI(dma_handle)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/aic94xx/aic94xx_hwi.h:210:61: note: expanded from macro 'ASD_BUSADDR_HI' 210 | ? ((u32)((__dma_handle) >> 32)) \ | ^ ~~ drivers/scsi/aic94xx/aic94xx_hwi.c:342:40: error: no member named 'escb' in 'struct scb' 342 | struct empty_scb *escb = &ascb->scb->escb; | ~~~~~~~~~ ^ 1 warning and 2 errors generated. -- In file included from drivers/scsi/aic94xx/aic94xx_reg.c:10: In file included from drivers/scsi/aic94xx/aic94xx_reg.h:13: In file included from drivers/scsi/aic94xx/aic94xx_hwi.h:19: drivers/scsi/aic94xx/aic94xx_sas.h:323:28: error: field has incomplete type 'struct ssp_command_iu_hdr' 323 | struct ssp_command_iu_hdr ssp_cmd; | ^ drivers/scsi/aic94xx/aic94xx_sas.h:323:9: note: forward declaration of 'struct ssp_command_iu_hdr' 323 | struct ssp_command_iu_hdr ssp_cmd; | ^ In file included from drivers/scsi/aic94xx/aic94xx_reg.c:10: >> drivers/scsi/aic94xx/aic94xx_reg.h:252:37: warning: shift count >= width of type [-Wshift-count-overflow] 252 | asd_write_reg_dword(asd_ha, reg+4, ASD_BUSADDR_HI(dma_handle)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/aic94xx/aic94xx_hwi.h:210:61: note: expanded from macro 'ASD_BUSADDR_HI' 210 | ? ((u32)((__dma_handle) >> 32)) \ | ^ ~~ 1 warning and 1 error generated. -- In file included from drivers/scsi/aic94xx/aic94xx_scb.c:13: In file included from drivers/scsi/aic94xx/aic94xx_reg.h:13: In file included from drivers/scsi/aic94xx/aic94xx_hwi.h:19: drivers/scsi/aic94xx/aic94xx_sas.h:323:28: error: field has incomplete type 'struct ssp_command_iu_hdr' 323 | struct ssp_command_iu_hdr ssp_cmd; | ^ drivers/scsi/aic94xx/aic94xx_sas.h:323:9: note: forward declaration of 'struct ssp_command_iu_hdr' 323 | struct ssp_command_iu_hdr ssp_cmd; | ^ In file included from drivers/scsi/aic94xx/aic94xx_scb.c:13: >> drivers/scsi/aic94xx/aic94xx_reg.h:252:37: warning: shift count >= width of type [-Wshift-count-overflow] 252 | asd_write_reg_dword(asd_ha, reg+4, ASD_BUSADDR_HI(dma_handle)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/aic94xx/aic94xx_hwi.h:210:61: note: expanded from macro 'ASD_BUSADDR_HI' 210 | ? ((u32)((__dma_handle) >> 32)) \ | ^ ~~ drivers/scsi/aic94xx/aic94xx_scb.c:369:39: error: no member named 'escb' in 'struct scb' 369 | struct empty_scb *escb = &ascb->scb->escb; | ~~~~~~~~~ ^ drivers/scsi/aic94xx/aic94xx_scb.c:631:42: error: no member named 'control_phy' in 'struct scb' 631 | struct control_phy *control_phy = &scb->control_phy; | ~~~ ^ drivers/scsi/aic94xx/aic94xx_scb.c:770:42: error: no member named 'control_phy' in 'struct scb' 770 | struct control_phy *control_phy = &scb->control_phy; | ~~~ ^ 1 warning and 4 errors generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for SND_SOC_MPC5200_AC97 Depends on [n]: SOUND [=y] && SND [=y] && SND_SOC [=y] && SND_POWERPC_SOC [=y] && PPC_MPC52xx [=y] && PPC_BESTCOMM [=n] Selected by [y]: - SND_MPC52xx_SOC_PCM030 [=y] && SOUND [=y] && SND [=y] && SND_SOC [=y] && SND_POWERPC_SOC [=y] && PPC_MPC5200_SIMPLE [=y] vim +252 drivers/scsi/aic94xx/aic94xx_reg.h 2908d778ab3e24 James Bottomley 2006-08-29 247 2908d778ab3e24 James Bottomley 2006-08-29 248 static inline void asd_write_reg_addr(struct asd_ha_struct *asd_ha, u32 reg, 2908d778ab3e24 James Bottomley 2006-08-29 249 dma_addr_t dma_handle) 2908d778ab3e24 James Bottomley 2006-08-29 250 { 2908d778ab3e24 James Bottomley 2006-08-29 251 asd_write_reg_dword(asd_ha, reg, ASD_BUSADDR_LO(dma_handle)); 2908d778ab3e24 James Bottomley 2006-08-29 @252 asd_write_reg_dword(asd_ha, reg+4, ASD_BUSADDR_HI(dma_handle)); 2908d778ab3e24 James Bottomley 2006-08-29 253 } 2908d778ab3e24 James Bottomley 2006-08-29 254 :::::: The code at line 252 was first introduced by commit :::::: 2908d778ab3e244900c310974e1fc1c69066e450 [SCSI] aic94xx: new driver :::::: TO: James Bottomley :::::: CC: James Bottomley -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki