Hi Nizam,

[auto build test WARNING on staging/staging-testing]
[also build test WARNING on v4.3 next-20151109]

url:    
https://github.com/0day-ci/linux/commits/Nizam-Haider/iio-adc-mxs-lradc-Prefer-using-the-BIT-macro/20151109-222735
config: sparc64-allyesconfig (attached as .config)
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=sparc64 

All warnings (new ones prefixed by >>):

   drivers/staging/iio/adc/mxs-lradc.c: In function 
'mxs_lradc_complete_touch_event':
>> drivers/staging/iio/adc/mxs-lradc.c:325:5: warning: large integer implicitly 
>> truncated to unsigned type [-Woverflow]
        (((x) << LRADC_DELAY_TRIGGER_LRADCS_OFFSET) & \
        ^
>> drivers/staging/iio/adc/mxs-lradc.c:734:7: note: in expansion of macro 
>> 'LRADC_DELAY_TRIGGER'
          LRADC_DELAY_TRIGGER(1 << TOUCHSCREEN_VCHANNEL1) |
          ^
   drivers/staging/iio/adc/mxs-lradc.c: In function 
'mxs_lradc_buffer_preenable':
   drivers/staging/iio/adc/mxs-lradc.c:322:42: warning: large integer 
implicitly truncated to unsigned type [-Woverflow]
    #define LRADC_DELAY_TRIGGER_LRADCS_MASK  (0xff << 24)
                                             ^
>> drivers/staging/iio/adc/mxs-lradc.c:1308:29: note: in expansion of macro 
>> 'LRADC_DELAY_TRIGGER_LRADCS_MASK'
     mxs_lradc_reg_clear(lradc, LRADC_DELAY_TRIGGER_LRADCS_MASK |
                                ^
   drivers/staging/iio/adc/mxs-lradc.c: In function 
'mxs_lradc_buffer_postdisable':
   drivers/staging/iio/adc/mxs-lradc.c:322:42: warning: large integer 
implicitly truncated to unsigned type [-Woverflow]
    #define LRADC_DELAY_TRIGGER_LRADCS_MASK  (0xff << 24)
                                             ^
   drivers/staging/iio/adc/mxs-lradc.c:1327:29: note: in expansion of macro 
'LRADC_DELAY_TRIGGER_LRADCS_MASK'
     mxs_lradc_reg_clear(lradc, LRADC_DELAY_TRIGGER_LRADCS_MASK |
                                ^

vim +325 drivers/staging/iio/adc/mxs-lradc.c

06ddd353 Marek Vasut     2013-01-11  309  #define       LRADC_STATUS            
                0x40
418880f5 Haneen Mohammed 2015-03-26  310  #define       
LRADC_STATUS_TOUCH_DETECT_RAW           BIT(0)
06ddd353 Marek Vasut     2013-01-11  311  
bc2c90c9 Marek Vasut     2012-08-12  312  #define       LRADC_CH(n)             
                (0x50 + (0x10 * (n)))
418880f5 Haneen Mohammed 2015-03-26  313  #define       LRADC_CH_ACCUMULATE     
                BIT(29)
bc2c90c9 Marek Vasut     2012-08-12  314  #define       
LRADC_CH_NUM_SAMPLES_MASK               (0x1f << 24)
bc2c90c9 Marek Vasut     2012-08-12  315  #define       
LRADC_CH_NUM_SAMPLES_OFFSET             24
dee05308 Juergen Beisert 2013-09-23  316  #define       LRADC_CH_NUM_SAMPLES(x) 
\
dee05308 Juergen Beisert 2013-09-23  317                                ((x) << 
LRADC_CH_NUM_SAMPLES_OFFSET)
bc2c90c9 Marek Vasut     2012-08-12  318  #define       LRADC_CH_VALUE_MASK     
                0x3ffff
bc2c90c9 Marek Vasut     2012-08-12  319  #define       LRADC_CH_VALUE_OFFSET   
                0
bc2c90c9 Marek Vasut     2012-08-12  320  
bc2c90c9 Marek Vasut     2012-08-12  321  #define       LRADC_DELAY(n)          
                (0xd0 + (0x10 * (n)))
bc2c90c9 Marek Vasut     2012-08-12  322  #define       
LRADC_DELAY_TRIGGER_LRADCS_MASK         (0xff << 24)
bc2c90c9 Marek Vasut     2012-08-12  323  #define       
LRADC_DELAY_TRIGGER_LRADCS_OFFSET       24
dee05308 Juergen Beisert 2013-09-23  324  #define       LRADC_DELAY_TRIGGER(x) \
dee05308 Juergen Beisert 2013-09-23 @325                                (((x) 
<< LRADC_DELAY_TRIGGER_LRADCS_OFFSET) & \
dee05308 Juergen Beisert 2013-09-23  326                                
LRADC_DELAY_TRIGGER_LRADCS_MASK)
33365872 Nizam Haider    2015-11-09  327  #define       LRADC_DELAY_KICK        
                BIT(20)
bc2c90c9 Marek Vasut     2012-08-12  328  #define       
LRADC_DELAY_TRIGGER_DELAYS_MASK         (0xf << 16)
bc2c90c9 Marek Vasut     2012-08-12  329  #define       
LRADC_DELAY_TRIGGER_DELAYS_OFFSET       16
dee05308 Juergen Beisert 2013-09-23  330  #define       
LRADC_DELAY_TRIGGER_DELAYS(x) \
dee05308 Juergen Beisert 2013-09-23  331                                (((x) 
<< LRADC_DELAY_TRIGGER_DELAYS_OFFSET) & \
dee05308 Juergen Beisert 2013-09-23  332                                
LRADC_DELAY_TRIGGER_DELAYS_MASK)
bc2c90c9 Marek Vasut     2012-08-12  333  #define       
LRADC_DELAY_LOOP_COUNT_MASK             (0x1f << 11)

:::::: The code at line 325 was first introduced by commit
:::::: dee05308f6029caed91e1a015cafb1545958ba27 
Staging/iio/adc/touchscreen/MXS: add interrupt driven touch detection

:::::: TO: Juergen Beisert <j...@pengutronix.de>
:::::: CC: Jonathan Cameron <ji...@kernel.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: Binary data

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