linux-kernel - Re: [PATCH 3/3] sh: add the sh_ prefix to early platform symbols

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Date:   Tue, 1 May 2018 07:52:12 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     kbuild-all@...org, Sekhar Nori <nsekhar@...com>,
        Kevin Hilman <khilman@...nel.org>,
        David Lechner <david@...hnology.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Marc Zyngier <marc.zyngier@....com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Peter Rosin <peda@...ntia.se>, Jiri Slaby <jslaby@...e.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org, linux-sh@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH 3/3] sh: add the sh_ prefix to early platform symbols

Hi Bartosz,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.17-rc3 next-20180430]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Bartosz-Golaszewski/sh-make-early_platform-code-SuperH-specific/20180501-025442
config: powerpc64-allmodconfig (attached as .config)
compiler: powerpc64-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
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc64 

All errors (new ones prefixed by >>):

   drivers/clocksource/sh_cmt.c: In function 'sh_cmt_probe':
>> drivers/clocksource/sh_cmt.c:1046:7: error: implicit declaration of function 'is_sh_early_platform_device'; did you mean 'to_platform_device'? [-Werror=implicit-function-declaration]
     if (!is_sh_early_platform_device(pdev)) {
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
          to_platform_device
   drivers/clocksource/sh_cmt.c: At top level:
   drivers/clocksource/sh_cmt.c:1103:24: error: expected declaration specifiers or '...' before string constant
    sh_early_platform_init("earlytimer", &sh_cmt_device_driver);
                           ^~~~~~~~~~~~
   drivers/clocksource/sh_cmt.c:1103:38: error: expected declaration specifiers or '...' before '&' token
    sh_early_platform_init("earlytimer", &sh_cmt_device_driver);
                                         ^
   cc1: some warnings being treated as errors
--
   drivers/tty/serial/sh-sci.c: In function 'sci_probe':
>> drivers/tty/serial/sh-sci.c:3196:6: error: implicit declaration of function 'is_sh_early_platform_device'; did you mean 'to_platform_device'? [-Werror=implicit-function-declaration]
     if (is_sh_early_platform_device(dev))
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
         to_platform_device
   cc1: some warnings being treated as errors

vim +1046 drivers/clocksource/sh_cmt.c

  1040	
  1041	static int sh_cmt_probe(struct platform_device *pdev)
  1042	{
  1043		struct sh_cmt_device *cmt = platform_get_drvdata(pdev);
  1044		int ret;
  1045	
> 1046		if (!is_sh_early_platform_device(pdev)) {
  1047			pm_runtime_set_active(&pdev->dev);
  1048			pm_runtime_enable(&pdev->dev);
  1049		}
  1050	
  1051		if (cmt) {
  1052			dev_info(&pdev->dev, "kept as earlytimer\n");
  1053			goto out;
  1054		}
  1055	
  1056		cmt = kzalloc(sizeof(*cmt), GFP_KERNEL);
  1057		if (cmt == NULL)
  1058			return -ENOMEM;
  1059	
  1060		ret = sh_cmt_setup(cmt, pdev);
  1061		if (ret) {
  1062			kfree(cmt);
  1063			pm_runtime_idle(&pdev->dev);
  1064			return ret;
  1065		}
  1066		if (is_sh_early_platform_device(pdev))
  1067			return 0;
  1068	
  1069	 out:
  1070		if (cmt->has_clockevent || cmt->has_clocksource)
  1071			pm_runtime_irq_safe(&pdev->dev);
  1072		else
  1073			pm_runtime_idle(&pdev->dev);
  1074	
  1075		return 0;
  1076	}
  1077	

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