linux-kernel - Re: [PATCH v1] scsi: ufs: disable auto hibern8 while entering suspend

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Date:   Mon, 24 Jan 2022 23:42:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     SEO HOYOUNG <hy50.seo@...sung.com>, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, alim.akhtar@...sung.com,
        avri.altman@....com, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, beanhuo@...ron.com,
        asutoshd@...eaurora.org, cang@...eaurora.org, bvanassche@....org
Cc:     kbuild-all@...ts.01.org
Subject: Re: [PATCH v1] scsi: ufs: disable auto hibern8 while entering suspend

Hi SEO,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on jejb-scsi/for-next]
[also build test WARNING on mkp-scsi/for-next linux/master linus/master v5.17-rc1 next-20220124]
[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/SEO-HOYOUNG/scsi-ufs-disable-auto-hibern8-while-entering-suspend/20220124-195745
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next
config: arc-randconfig-r043-20220124 (https://download.01.org/0day-ci/archive/20220124/202201242328.jXmzUj9v-lkp@intel.com/config)
compiler: arc-elf-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/07442fb1071785299ef4ec421a37874e0d84babf
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review SEO-HOYOUNG/scsi-ufs-disable-auto-hibern8-while-entering-suspend/20220124-195745
        git checkout 07442fb1071785299ef4ec421a37874e0d84babf
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/scsi/ufs/

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 >>):

>> drivers/scsi/ufs/ufshcd.c:4207:6: warning: no previous prototype for 'ufshcd_auto_hibern8_disable' [-Wmissing-prototypes]
    4207 | void ufshcd_auto_hibern8_disable(struct ufs_hba *hba)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/ufshcd_auto_hibern8_disable +4207 drivers/scsi/ufs/ufshcd.c

  4206	
> 4207	void ufshcd_auto_hibern8_disable(struct ufs_hba *hba)
  4208	{
  4209		unsigned long flags;
  4210	
  4211		if (!ufshcd_is_auto_hibern8_supported(hba))
  4212			return;
  4213	
  4214		spin_lock_irqsave(hba->host->host_lock, flags);
  4215		ufshcd_writel(hba, 0, REG_AUTO_HIBERNATE_IDLE_TIMER);
  4216		spin_unlock_irqrestore(hba->host->host_lock, flags);
  4217	}
  4218	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org