linux-kernel - Re: [PATCH v3 1/2] clocksource: Add Oxford Semiconductor RPS Dual Timer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <5762B491.7070805@linaro.org>
Date:	Thu, 16 Jun 2016 16:15:45 +0200
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Neil Armstrong <narmstrong@...libre.com>,
	kbuild test robot <lkp@...el.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	tglx@...utronix.de, Ma Haijun <mahaijuns@...il.com>
Subject: Re: [PATCH v3 1/2] clocksource: Add Oxford Semiconductor RPS Dual
 Timer

On 06/16/2016 03:47 PM, Neil Armstrong wrote:
> On 06/16/2016 03:33 PM, Daniel Lezcano wrote:
>> On 06/15/2016 05:35 PM, kbuild test robot wrote:
>>> Hi,
>>>
>>> [auto build test WARNING on tip/timers/core]
>>> [also build test WARNING on v4.7-rc3 next-20160615]
>>> [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/Neil-Armstrong/clocksource-Add-support-for-Oxford-Semiconductor-RPS-Dual-Timer/20160615-181650
>>> config: blackfin-allmodconfig (attached as .config)
>>> compiler: bfin-uclinux-gcc (GCC) 4.6.3
>>> reproduce:
>>>           wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>>>           chmod +x ~/bin/make.cross
>>>           # save the attached .config to linux build tree
>>>           make.cross ARCH=blackfin
>>>
>>> All warnings (new ones prefixed by >>):
>>>
>>>>> drivers/clocksource/timer-oxnas-rps.c:50:0: warning: "TIMER_ENABLE" redefined [enabled by default]
>>>      arch/blackfin/mach-bf533/include/mach/defBF532.h:97:0: note: this is the location of the previous definition
>>>
>>> vim +/TIMER_ENABLE +50 drivers/clocksource/timer-oxnas-rps.c
>>>
>>>       34    /* TIMER1 used as tick
>>>       35     * TIMER2 used as clocksource
>>>       36     */
>>>       37
>>>       38    /* Registers definitions */
>>>       39
>>>       40    #define TIMER_LOAD_REG        0x0
>>>       41    #define TIMER_CURR_REG        0x4
>>>       42    #define TIMER_CTRL_REG        0x8
>>>       43    #define TIMER_CLRINT_REG    0xC
>>>       44
>>>       45    #define TIMER_BITS        24
>>>       46
>>>       47    #define TIMER_MAX_VAL        (BIT(TIMER_BITS) - 1)
>>>       48
>>>       49    #define TIMER_PERIODIC        BIT(6)
>>>     > 50    #define TIMER_ENABLE        BIT(7)
>>
>> It is already defined in the arch/blackfin/include dir.
>>
>
> Hi Daniel,
>
> This should never happen due to the blackfin headers.
> Actually the COMPILE_TEST option made these two happen.
>
> Should I push a v4 to keep COMPILE_TEST ?

Oh, actually with 'depends on GENERIC_CLOCKSOURCE', that should solve 
both errors.


-- 
  <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog