Re: [PATCH 4/6] clocksource/drivers/armv7m_systick: Add the COMPILE_TEST option

From: kbuild test robot
Date: Fri Jun 03 2016 - 01:17:25 EST


Hi,

[auto build test ERROR on tip/timers/core]
[also build test ERROR on v4.7-rc1 next-20160602]
[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/Daniel-Lezcano/clk-Add-missing-clk_get_sys-stub/20160603-054643
config: um-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
# save the attached .config to linux build tree
make ARCH=um

All errors (new ones prefixed by >>):

drivers/clocksource/armv7m_systick.c: In function 'system_timer_of_register':
>> drivers/clocksource/armv7m_systick.c:74:2: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]
iounmap(base);
^~~~~~~
cc1: some warnings being treated as errors

vim +/iounmap +74 drivers/clocksource/armv7m_systick.c

4958ebb3 Maxime Coquelin 2015-05-09 58 pr_err("failed to init clocksource (%d)\n", ret);
4958ebb3 Maxime Coquelin 2015-05-09 59 if (clk)
4958ebb3 Maxime Coquelin 2015-05-09 60 goto out_clk_disable;
4958ebb3 Maxime Coquelin 2015-05-09 61 else
4958ebb3 Maxime Coquelin 2015-05-09 62 goto out_unmap;
4958ebb3 Maxime Coquelin 2015-05-09 63 }
4958ebb3 Maxime Coquelin 2015-05-09 64
4958ebb3 Maxime Coquelin 2015-05-09 65 pr_info("ARM System timer initialized as clocksource\n");
4958ebb3 Maxime Coquelin 2015-05-09 66
4958ebb3 Maxime Coquelin 2015-05-09 67 return;
4958ebb3 Maxime Coquelin 2015-05-09 68
4958ebb3 Maxime Coquelin 2015-05-09 69 out_clk_disable:
4958ebb3 Maxime Coquelin 2015-05-09 70 clk_disable_unprepare(clk);
4958ebb3 Maxime Coquelin 2015-05-09 71 out_clk_put:
4958ebb3 Maxime Coquelin 2015-05-09 72 clk_put(clk);
4958ebb3 Maxime Coquelin 2015-05-09 73 out_unmap:
4958ebb3 Maxime Coquelin 2015-05-09 @74 iounmap(base);
4958ebb3 Maxime Coquelin 2015-05-09 75 pr_warn("ARM System timer register failed (%d)\n", ret);
4958ebb3 Maxime Coquelin 2015-05-09 76 }
4958ebb3 Maxime Coquelin 2015-05-09 77
4958ebb3 Maxime Coquelin 2015-05-09 78 CLOCKSOURCE_OF_DECLARE(arm_systick, "arm,armv7m-systick",
4958ebb3 Maxime Coquelin 2015-05-09 79 system_timer_of_register);

:::::: The code at line 74 was first introduced by commit
:::::: 4958ebb3d027886c46b936453745dba59b09c578 clocksource/drivers/armv7m_systick: Add ARM System timer driver

:::::: TO: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
:::::: CC: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>

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