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Message-ID: <202003261641.oaSrkPNT%lkp@intel.com>
Date: Thu, 26 Mar 2020 16:46:06 +0800
From: kbuild test robot <lkp@...el.com>
To: Can Guo <cang@...eaurora.org>
Cc: kbuild-all@...ts.01.org,
Subhash Jadavani <subhashj@...eaurora.org>,
Alim Akhtar <alim.akhtar@...sung.com>,
Avri Altman <avri.altman@....com>,
"James E.J. Bottomley" <jejb@...ux.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
Stanley Chu <stanley.chu@...iatek.com>,
Bean Huo <beanhuo@...ron.com>,
Bart Van Assche <bvanassche@....org>,
Venkat Gopalakrishnan <venkatg@...eaurora.org>,
Tomas Winkler <tomas.winkler@...el.com>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 1/2] scsi: ufs: Clean up ufshcd_scale_clks() and clock
scaling error out path
Hi Can,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on scsi/for-next]
[also build test ERROR on mkp-scsi/for-next v5.6-rc7 next-20200325]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Can-Guo/UFS-driver-general-fixes-bundle-2/20200326-143749
base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next
config: m68k-allmodconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=9.2.0 make.cross ARCH=m68k
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from include/linux/timer.h:6,
from include/linux/workqueue.h:9,
from include/linux/rhashtable-types.h:15,
from include/linux/ipc.h:7,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/async.h:14,
from drivers/scsi/ufs/ufshcd.c:40:
drivers/scsi/ufs/ufshcd.c: In function 'ufshcd_scale_clks':
>> drivers/scsi/ufs/ufshcd.c:949:39: error: 'start' undeclared (first use in this function); did you mean 'stat'?
949 | ktime_to_us(ktime_sub(ktime_get(), start)), ret);
| ^~~~~
include/linux/ktime.h:46:39: note: in definition of macro 'ktime_sub'
46 | #define ktime_sub(lhs, rhs) ((lhs) - (rhs))
| ^~~
drivers/scsi/ufs/ufshcd.c:949:39: note: each undeclared identifier is reported only once for each function it appears in
949 | ktime_to_us(ktime_sub(ktime_get(), start)), ret);
| ^~~~~
include/linux/ktime.h:46:39: note: in definition of macro 'ktime_sub'
46 | #define ktime_sub(lhs, rhs) ((lhs) - (rhs))
| ^~~
vim +949 drivers/scsi/ufs/ufshcd.c
a67142dac16542 Subhash Jadavani 2020-03-25 920
a67142dac16542 Subhash Jadavani 2020-03-25 921 /**
a67142dac16542 Subhash Jadavani 2020-03-25 922 * ufshcd_scale_clks - scale up or scale down UFS controller clocks
a67142dac16542 Subhash Jadavani 2020-03-25 923 * @hba: per adapter instance
a67142dac16542 Subhash Jadavani 2020-03-25 924 * @scale_up: True if scaling up and false if scaling down
a67142dac16542 Subhash Jadavani 2020-03-25 925 *
a67142dac16542 Subhash Jadavani 2020-03-25 926 * Returns 0 if successful
a67142dac16542 Subhash Jadavani 2020-03-25 927 * Returns < 0 for any other errors
a67142dac16542 Subhash Jadavani 2020-03-25 928 */
a67142dac16542 Subhash Jadavani 2020-03-25 929 static int ufshcd_scale_clks(struct ufs_hba *hba, bool scale_up)
a67142dac16542 Subhash Jadavani 2020-03-25 930 {
a67142dac16542 Subhash Jadavani 2020-03-25 931 int ret = 0;
a67142dac16542 Subhash Jadavani 2020-03-25 932
a67142dac16542 Subhash Jadavani 2020-03-25 933 ret = ufshcd_vops_clk_scale_notify(hba, scale_up, PRE_CHANGE);
a67142dac16542 Subhash Jadavani 2020-03-25 934 if (ret)
a67142dac16542 Subhash Jadavani 2020-03-25 935 return ret;
a67142dac16542 Subhash Jadavani 2020-03-25 936
a67142dac16542 Subhash Jadavani 2020-03-25 937 ret = ufshcd_set_clk_freq(hba, scale_up);
a67142dac16542 Subhash Jadavani 2020-03-25 938 if (ret)
a67142dac16542 Subhash Jadavani 2020-03-25 939 return ret;
a67142dac16542 Subhash Jadavani 2020-03-25 940
a3cd5ec55f6c72 Subhash Jadavani 2017-02-03 941 ret = ufshcd_vops_clk_scale_notify(hba, scale_up, POST_CHANGE);
a67142dac16542 Subhash Jadavani 2020-03-25 942 if (ret) {
a67142dac16542 Subhash Jadavani 2020-03-25 943 ufshcd_set_clk_freq(hba, !scale_up);
a67142dac16542 Subhash Jadavani 2020-03-25 944 return ret;
a67142dac16542 Subhash Jadavani 2020-03-25 945 }
a3cd5ec55f6c72 Subhash Jadavani 2017-02-03 946
a3cd5ec55f6c72 Subhash Jadavani 2017-02-03 947 trace_ufshcd_profile_clk_scaling(dev_name(hba->dev),
a3cd5ec55f6c72 Subhash Jadavani 2017-02-03 948 (scale_up ? "up" : "down"),
a3cd5ec55f6c72 Subhash Jadavani 2017-02-03 @949 ktime_to_us(ktime_sub(ktime_get(), start)), ret);
a67142dac16542 Subhash Jadavani 2020-03-25 950
a3cd5ec55f6c72 Subhash Jadavani 2017-02-03 951 return ret;
a3cd5ec55f6c72 Subhash Jadavani 2017-02-03 952 }
a3cd5ec55f6c72 Subhash Jadavani 2017-02-03 953
:::::: The code at line 949 was first introduced by commit
:::::: a3cd5ec55f6c72834f812f9150deb38ddc019782 scsi: ufs: add load based scaling of UFS gear
:::::: TO: subhashj@...eaurora.org <subhashj@...eaurora.org>
:::::: CC: Martin K. Petersen <martin.petersen@...cle.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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