From: Dmitry Osipenko <digetx@gmail.com>
To: Chanwoo Choi <cw00.choi@samsung.com>
Cc: linux-clk@vger.kernel.org
Subject: Re: [chanwoo:devfreq-testing 15/16] drivers//devfreq/tegra30-devfreq.c:478:8: error: implicit declaration of function 'clk_set_min_rate'; did you mean 'clk_set_rate'?
Date: Wed, 24 Apr 2019 17:41:56 +0300 [thread overview]
Message-ID: <bd6a2bf5-aae5-9610-4f48-09e6f44fa3b4@gmail.com> (raw)
In-Reply-To: <201904242234.3ZpDzMBq%lkp@intel.com>
24.04.2019 17:22, kbuild test robot пишет:
> Hi Dmitry,
>
> First bad commit (maybe != root cause):
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git devfreq-testing
> head: 6b3a07e6458befbb8b90010e92d578b08678e5ce
> commit: d2a110d18c755979bffa07f45d3b4ff89e420954 [15/16] PM / devfreq: tegra: Rename tegra-devfreq.c to tegra30-devfreq.c
> config: sparc64-allmodconfig (attached as .config)
> compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout d2a110d18c755979bffa07f45d3b4ff89e420954
> # save the attached .config to linux build tree
> GCC_VERSION=7.2.0 make.cross ARCH=sparc64
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@intel.com>
> All errors (new ones prefixed by >>):
>
> drivers//devfreq/tegra30-devfreq.c: In function 'tegra_devfreq_target':
>>> drivers//devfreq/tegra30-devfreq.c:478:8: error: implicit declaration of function 'clk_set_min_rate'; did you mean 'clk_set_rate'? [-Werror=implicit-function-declaration]
> err = clk_set_min_rate(tegra->emc_clock, rate);
> ^~~~~~~~~~~~~~~~
> clk_set_rate
> cc1: some warnings being treated as errors
>
> vim +478 drivers//devfreq/tegra30-devfreq.c
>
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 460
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 461 static int tegra_devfreq_target(struct device *dev, unsigned long *freq,
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 462 u32 flags)
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 463 {
> 11573e913 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2015-03-17 464 struct tegra_devfreq *tegra = dev_get_drvdata(dev);
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 465 struct devfreq *devfreq = tegra->devfreq;
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 466 struct dev_pm_opp *opp;
> e76bb6df1 drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 467 unsigned long rate;
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 468 int err;
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 469
> e76bb6df1 drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 470 opp = devfreq_recommended_opp(dev, freq, flags);
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 471 if (IS_ERR(opp)) {
> e76bb6df1 drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 472 dev_err(dev, "Failed to find opp for %lu Hz\n", *freq);
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 473 return PTR_ERR(opp);
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 474 }
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 475 rate = dev_pm_opp_get_freq(opp);
> 8a31d9d94 drivers/devfreq/tegra-devfreq.c Viresh Kumar 2017-01-23 476 dev_pm_opp_put(opp);
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 477
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 @478 err = clk_set_min_rate(tegra->emc_clock, rate);
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 479 if (err)
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 480 return err;
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 481
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 482 err = clk_set_rate(tegra->emc_clock, 0);
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 483 if (err)
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 484 goto restore_min_rate;
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 485
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 486 return 0;
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 487
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 488 restore_min_rate:
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 489 clk_set_min_rate(tegra->emc_clock, devfreq->previous_freq);
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 490
> 7f2e3eb6f drivers/devfreq/tegra-devfreq.c Dmitry Osipenko 2019-04-18 491 return err;
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 492 }
> 6234f3801 drivers/devfreq/tegra-devfreq.c Tomeu Vizoso 2014-11-24 493
>
> :::::: The code at line 478 was first introduced by commit
> :::::: 7f2e3eb6fa764bb003164c331c93306a8e1223c3 PM / devfreq: tegra: Don't ignore clk errors
>
> :::::: TO: Dmitry Osipenko <digetx@gmail.com>
> :::::: CC: Chanwoo Choi <cw00.choi@samsung.com>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
>
Oh, there is no declaration for clk_set_min_rate() when CONFIG_COMMON_CLK=n. Either driver should be made dependent on CONFIG_COMMON_CLK or the declaration should be added to include/linux/clk.h (the same applies to tegra20-devfreq).
Chanwoo, what will we do?
next parent reply other threads:[~2019-04-24 14:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <201904242234.3ZpDzMBq%lkp@intel.com>
2019-04-24 14:41 ` Dmitry Osipenko [this message]
2019-04-24 23:23 ` [chanwoo:devfreq-testing 15/16] drivers//devfreq/tegra30-devfreq.c:478:8: error: implicit declaration of function 'clk_set_min_rate'; did you mean 'clk_set_rate'? Stephen Boyd
2019-04-24 23:37 ` Dmitry Osipenko
2019-04-25 0:03 ` Chanwoo Choi
2019-04-25 13:35 ` Dmitry Osipenko
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