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Date:   Tue, 15 Feb 2022 12:54:20 +0800
From:   kernel test robot <lkp@intel.com>
To:     Sergey Shtylyov <s.shtylyov@omp.ru>,
        Damien Le Moal <damien.lemoal@opensource.wdc.com>,
        linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     llvm@lists.linux.dev, kbuild-all@lists.01.org
Subject: Re: [PATCH] ata: add/use ata_taskfile::{error|status} fields
Message-ID: <202202151209.hSVAcH7A-lkp@intel.com>
References: <e99172ca-cf0e-5510-60fc-b19dc48658ac@omp.ru>
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In-Reply-To: <e99172ca-cf0e-5510-60fc-b19dc48658ac@omp.ru>
User-Agent: Mutt/1.10.1 (2018-07-13)
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Hi Sergey,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.17-rc4 next-20220214]
[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/Sergey-Shtylyov/ata-add-use-ata_taskfile-error-status-fields/20220215-044836
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d567f5db412ed52de0b3b3efca4a451263de6108
config: i386-buildonly-randconfig-r006-20220214 (https://download.01.org/0day-ci/archive/20220215/202202151209.hSVAcH7A-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 37f422f4ac31c8b8041c6b62065263314282dab6)
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/5d89e7cd8ab42fd2cb6f59a7922784b0cce835bf
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Sergey-Shtylyov/ata-add-use-ata_taskfile-error-status-fields/20220215-044836
        git checkout 5d89e7cd8ab42fd2cb6f59a7922784b0cce835bf
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/ata/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/ata/sata_vsc.c:203:21: error: use of undeclared identifier 'feature'; did you mean 'return'?
                   tf->hob_feature = feature >> 8;
                                     ^~~~~~~
                                     return
>> drivers/ata/sata_vsc.c:203:21: error: expected expression
   2 errors generated.


vim +203 drivers/ata/sata_vsc.c

^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  181  
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  182  
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  183  static void vsc_sata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  184  {
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  185  	struct ata_ioports *ioaddr = &ap->ioaddr;
5d89e7cd8ab42f drivers/ata/sata_vsc.c  Sergey Shtylyov 2022-02-14  186  	u16 nsect, lbal, lbam, lbah, error;
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  187  
5d89e7cd8ab42f drivers/ata/sata_vsc.c  Sergey Shtylyov 2022-02-14  188  	tf->status = ata_sff_check_status(ap);
0d5ff566779f89 drivers/ata/sata_vsc.c  Tejun Heo       2007-02-01  189  	tf->device = readw(ioaddr->device_addr);
5d89e7cd8ab42f drivers/ata/sata_vsc.c  Sergey Shtylyov 2022-02-14  190  	error = readw(ioaddr->error_addr);
0d5ff566779f89 drivers/ata/sata_vsc.c  Tejun Heo       2007-02-01  191  	nsect = readw(ioaddr->nsect_addr);
0d5ff566779f89 drivers/ata/sata_vsc.c  Tejun Heo       2007-02-01  192  	lbal = readw(ioaddr->lbal_addr);
0d5ff566779f89 drivers/ata/sata_vsc.c  Tejun Heo       2007-02-01  193  	lbam = readw(ioaddr->lbam_addr);
0d5ff566779f89 drivers/ata/sata_vsc.c  Tejun Heo       2007-02-01  194  	lbah = readw(ioaddr->lbah_addr);
ac19bff25b6834 drivers/scsi/sata_vsc.c Jeff Garzik     2005-10-29  195  
5d89e7cd8ab42f drivers/ata/sata_vsc.c  Sergey Shtylyov 2022-02-14  196  	tf->error = error;
ac19bff25b6834 drivers/scsi/sata_vsc.c Jeff Garzik     2005-10-29  197  	tf->nsect = nsect;
ac19bff25b6834 drivers/scsi/sata_vsc.c Jeff Garzik     2005-10-29  198  	tf->lbal = lbal;
ac19bff25b6834 drivers/scsi/sata_vsc.c Jeff Garzik     2005-10-29  199  	tf->lbam = lbam;
ac19bff25b6834 drivers/scsi/sata_vsc.c Jeff Garzik     2005-10-29  200  	tf->lbah = lbah;
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  201  
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  202  	if (tf->flags & ATA_TFLAG_LBA48) {
ac19bff25b6834 drivers/scsi/sata_vsc.c Jeff Garzik     2005-10-29 @203  		tf->hob_feature = feature >> 8;
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  204  		tf->hob_nsect = nsect >> 8;
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  205  		tf->hob_lbal = lbal >> 8;
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  206  		tf->hob_lbam = lbam >> 8;
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  207  		tf->hob_lbah = lbah >> 8;
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  208  	}
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  209  }
^1da177e4c3f41 drivers/scsi/sata_vsc.c Linus Torvalds  2005-04-16  210  

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