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

From: kbuild test robot
Date: Sat Feb 24 2018 - 15:51:28 EST


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@xxxxxxxxxxxxxxxxxx>
:::::: CC: Thierry Reding <thierry.reding@xxxxxxxxx>

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