linux-kernel - Re: [PATCH v3 01/10] pwm: extend PWM framework with PWM modes

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Date:   Sun, 25 Feb 2018 04:49:30 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Claudiu Beznea <claudiu.beznea@...rochip.com>
Cc:     kbuild-all@...org, thierry.reding@...il.com, shc_work@...l.ru,
        kgene@...nel.org, krzk@...nel.org, linux@...linux.org.uk,
        mturquette@...libre.com, sboyd@...eaurora.org,
        jani.nikula@...ux.intel.com, joonas.lahtinen@...ux.intel.com,
        rodrigo.vivi@...el.com, airlied@...ux.ie, kamil@...as.org,
        b.zolnierkie@...sung.com, jdelvare@...e.com, linux@...ck-us.net,
        dmitry.torokhov@...il.com, rpurdie@...ys.net,
        jacek.anaszewski@...il.com, pavel@....cz, mchehab@...nel.org,
        sean@...s.org, lee.jones@...aro.org, daniel.thompson@...aro.org,
        jingoohan1@...il.com, milo.kim@...com, robh+dt@...nel.org,
        mark.rutland@....com, corbet@....net, nicolas.ferre@...rochip.com,
        alexandre.belloni@...e-electrons.com, linux-pwm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-hwmon@...r.kernel.org, linux-input@...r.kernel.org,
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        linux-fbdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-doc@...r.kernel.org,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: Re: [PATCH v3 01/10] pwm: extend PWM framework with PWM modes

Hi Claudiu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on pwm/for-next]
[also build test WARNING on v4.16-rc2 next-20180223]
[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/Claudiu-Beznea/extend-PWM-framework-to-support-PWM-modes/20180225-024011
base:   https://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm.git for-next
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 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=xtensa 

All warnings (new ones prefixed by >>):

>> drivers//pwm/pwm-sun4i.c:36:0: warning: "PWM_MODE" redefined
    #define PWM_MODE  BIT(7)
    
   In file included from drivers//pwm/pwm-sun4i.c:19:0:
   include/linux/pwm.h:40:0: note: this is the location of the previous definition
    #define PWM_MODE(name)  BIT(PWM_MODE_##name##_BIT)
    

vim +/PWM_MODE +36 drivers//pwm/pwm-sun4i.c

09853ce7 Alexandre Belloni 2014-12-17  29  
09853ce7 Alexandre Belloni 2014-12-17  30  #define PWMCH_OFFSET		15
09853ce7 Alexandre Belloni 2014-12-17  31  #define PWM_PRESCAL_MASK	GENMASK(3, 0)
09853ce7 Alexandre Belloni 2014-12-17  32  #define PWM_PRESCAL_OFF		0
09853ce7 Alexandre Belloni 2014-12-17  33  #define PWM_EN			BIT(4)
09853ce7 Alexandre Belloni 2014-12-17  34  #define PWM_ACT_STATE		BIT(5)
09853ce7 Alexandre Belloni 2014-12-17  35  #define PWM_CLK_GATING		BIT(6)
09853ce7 Alexandre Belloni 2014-12-17 @36  #define PWM_MODE		BIT(7)
09853ce7 Alexandre Belloni 2014-12-17  37  #define PWM_PULSE		BIT(8)
09853ce7 Alexandre Belloni 2014-12-17  38  #define PWM_BYPASS		BIT(9)
09853ce7 Alexandre Belloni 2014-12-17  39  

:::::: The code at line 36 was first introduced by commit
:::::: 09853ce7bc1003a490c7ee74a5705d7a7cf16b7d pwm: Add Allwinner SoC support

:::::: TO: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
:::::: CC: Thierry Reding <thierry.reding@...il.com>

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