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Message-ID: <202107301301.lZzUGJoI-lkp@intel.com>
Date: Fri, 30 Jul 2021 13:43:15 +0800
From: kernel test robot <lkp@...el.com>
To: Jiri Slaby <jslaby@...e.cz>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jens Axboe <axboe@...nel.dk>
Subject: [linux-stable-rc:linux-4.4.y 573/615]
drivers/ata/sata_dwc_460ex.c:1158:14: warning: initialization of 'enum
ata_completion_errors (*)(struct ata_queued_cmd *)' from incompatible
pointer type 'void (*)(struct ata_queued_cmd *)'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.4.y
head: 36437aaa551298340a942cd706837e40efdae9c3
commit: 6002dcd35aa356a3ea79d106f94733e7a298f040 [573/615] ata: make qc_prep return ata_completion_errors
config: powerpc64-randconfig-r023-20210730 (attached as .config)
compiler: powerpc-linux-gcc (GCC) 10.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=6002dcd35aa356a3ea79d106f94733e7a298f040
git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git fetch --no-tags linux-stable-rc linux-4.4.y
git checkout 6002dcd35aa356a3ea79d106f94733e7a298f040
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/scatterlist.h:7,
from include/linux/dma-mapping.h:10,
from include/linux/libata.h:32,
from drivers/ata/sata_dwc_460ex.c:37:
include/linux/mm.h: In function 'is_vmalloc_addr':
include/linux/mm.h:386:14: warning: comparison of integer expressions of different signedness: 'long unsigned int' and 'long int' [-Wsign-compare]
386 | return addr >= VMALLOC_START && addr < VMALLOC_END;
| ^~
In file included from include/linux/libata.h:35,
from drivers/ata/sata_dwc_460ex.c:37:
include/linux/ata.h: In function 'ata_id_is_lba_capacity_ok':
include/linux/ata.h:950:17: warning: comparison of integer expressions of different signedness: 'long unsigned int' and 'int' [-Wsign-compare]
950 | (lba_sects >= 16383 * 63 * id[ATA_ID_HEADS]))
| ^~
In file included from include/linux/blkdev.h:14,
from include/linux/blk-mq.h:4,
from include/scsi/scsi_host.h:10,
from include/linux/libata.h:37,
from drivers/ata/sata_dwc_460ex.c:37:
include/linux/pagemap.h: In function 'fault_in_multipages_readable':
include/linux/pagemap.h:632:16: warning: variable 'c' set but not used [-Wunused-but-set-variable]
632 | volatile char c;
| ^
In file included from include/linux/blkdev.h:18,
from include/linux/blk-mq.h:4,
from include/scsi/scsi_host.h:10,
from include/linux/libata.h:37,
from drivers/ata/sata_dwc_460ex.c:37:
include/linux/bio.h: In function 'bio_next_split':
include/linux/bio.h:424:14: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
424 | if (sectors >= bio_sectors(bio))
| ^~
In file included from drivers/ata/sata_dwc_460ex.c:37:
include/linux/libata.h: In function 'ata_msg_init':
include/linux/libata.h:113:23: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
113 | if (dval < 0 || dval >= (sizeof(u32) * 8))
| ^~
drivers/ata/sata_dwc_460ex.c: In function 'dma_dwc_xfer_setup':
drivers/ata/sata_dwc_460ex.c:308:20: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
308 | dma_addr_t addr = (dma_addr_t)&hsdev->sata_dwc_regs->dmadr;
| ^
drivers/ata/sata_dwc_460ex.c: At top level:
>> drivers/ata/sata_dwc_460ex.c:1158:14: warning: initialization of 'enum ata_completion_errors (*)(struct ata_queued_cmd *)' from incompatible pointer type 'void (*)(struct ata_queued_cmd *)' [-Wincompatible-pointer-types]
1158 | .qc_prep = sata_dwc_qc_prep,
| ^~~~~~~~~~~~~~~~
drivers/ata/sata_dwc_460ex.c:1158:14: note: (near initialization for 'sata_dwc_ops.qc_prep')
vim +1158 drivers/ata/sata_dwc_460ex.c
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1151
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1152 static struct ata_port_operations sata_dwc_ops = {
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1153 .inherits = &ata_sff_port_ops,
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1154
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1155 .error_handler = sata_dwc_error_handler,
3a8b788f61a5b8 Thang Q. Nguyen 2012-04-17 1156 .hardreset = sata_dwc_hardreset,
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1157
62936009f35a66 Rupjyoti Sarmah 2010-07-06 @1158 .qc_prep = sata_dwc_qc_prep,
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1159 .qc_issue = sata_dwc_qc_issue,
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1160
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1161 .scr_read = sata_dwc_scr_read,
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1162 .scr_write = sata_dwc_scr_write,
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1163
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1164 .port_start = sata_dwc_port_start,
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1165 .port_stop = sata_dwc_port_stop,
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1166
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1167 .bmdma_setup = sata_dwc_bmdma_setup,
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1168 .bmdma_start = sata_dwc_bmdma_start,
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1169 };
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1170
:::::: The code at line 1158 was first introduced by commit
:::::: 62936009f35a6659cc3ebe0d90c754182d60da73 [libata] Add 460EX on-chip SATA driver, sata_dwc_460ex
:::::: TO: Rupjyoti Sarmah <rsarmah@...c.com>
:::::: CC: Jeff Garzik <jgarzik@...hat.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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