Hi M'boumba,

[auto build test WARNING on wsa/i2c/for-next]
[also build test WARNING on v4.9-rc8 next-20161208]
[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/M-boumba-Cedric-Madianga/Add-support-for-the-STM32F4-I2C/20161208-173240
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git 
i2c/for-next
config: openrisc-allyesconfig (attached as .config)
compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1
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=openrisc 

All warnings (new ones prefixed by >>):

   drivers/i2c/busses/i2c-stm32f4.c: In function 
'stm32f4_i2c_set_periph_clk_freq':
>> drivers/i2c/busses/i2c-stm32f4.c:201:9: warning: comparison of distinct 
>> pointer types lacks a cast
>> drivers/i2c/busses/i2c-stm32f4.c:201:9: warning: comparison of distinct 
>> pointer types lacks a cast
>> drivers/i2c/busses/i2c-stm32f4.c:201:9: warning: comparison of distinct 
>> pointer types lacks a cast

vim +201 drivers/i2c/busses/i2c-stm32f4.c

   185  
   186  static void stm32f4_i2c_disable_it(struct stm32f4_i2c_dev *i2c_dev)
   187  {
   188          void __iomem *reg = i2c_dev->base + STM32F4_I2C_CR2;
   189  
   190          stm32f4_i2c_clr_bits(reg, STM32F4_I2C_CR2_IRQ_MASK);
   191  }
   192  
   193  static void stm32f4_i2c_set_periph_clk_freq(struct stm32f4_i2c_dev 
*i2c_dev)
   194  {
   195          u32 clk_rate, cr2, freq;
   196  
   197          cr2 = readl_relaxed(i2c_dev->base + STM32F4_I2C_CR2);
   198          cr2 &= ~STM32F4_I2C_CR2_FREQ_MASK;
   199          clk_rate = clk_get_rate(i2c_dev->clk);
   200          freq = clk_rate / MHZ_TO_HZ;
 > 201          freq = clamp(freq, STM32F4_I2C_MIN_FREQ, STM32F4_I2C_MAX_FREQ);
   202          cr2 |= STM32F4_I2C_CR2_FREQ(freq);
   203          writel_relaxed(cr2, i2c_dev->base + STM32F4_I2C_CR2);
   204  }
   205  
   206  static void stm32f4_i2c_set_rise_time(struct stm32f4_i2c_dev *i2c_dev)
   207  {
   208          u32 trise, freq, cr2, val;
   209  

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

Attachment: .config.gz
Description: application/gzip

Reply via email to