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

From: kbuild test robot
Date: Mon Apr 30 2018 - 19:56:52 EST


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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