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
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