Hi Abhisit, [auto build test ERROR on ljones-mfd/for-mfd-next] [also build test ERROR on v4.13-rc6 next-20170822] [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/s-abhisit-gmail-com/mfd-Add-support-for-TI-LMP92001/20170823-033657 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next config: ia64-allyesconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/01org/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=ia64 All errors (new ones prefixed by >>): drivers//gpio/gpio-lmp92001.c: In function 'lmp92001_gpio_dbg_show': >> drivers//gpio/gpio-lmp92001.c:131:3: error: implicit declaration of function 'seq_printf' [-Werror=implicit-function-declaration] seq_printf(s, " gpio-%-3d (%-20.20s) %-3.3s %-2.2s\n", ^~~~~~~~~~ cc1: some warnings being treated as errors vim +/seq_printf +131 drivers//gpio/gpio-lmp92001.c 103 104 #ifdef CONFIG_DEBUG_FS 105 static void lmp92001_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) 106 { 107 struct lmp92001_gpio *lmp92001_gpio = gpiochip_get_data(chip); 108 struct lmp92001 *lmp92001 = lmp92001_gpio->lmp92001; 109 int i, gpio; 110 unsigned int cgpo; 111 const char *label, *dir, *logic; 112 113 for (i = 0; i < chip->ngpio; i++) { 114 gpio = i + chip->base; 115 116 label = gpiochip_is_requested(chip, i); 117 if (!label) 118 continue; 119 120 regmap_read(lmp92001->regmap, LMP92001_CGPO, &cgpo); 121 if ((cgpo>>i) & BIT(0)) 122 dir = "in"; 123 else 124 dir = "out"; 125 126 if (lmp92001_gpio_get(chip, i)) 127 logic = "hi"; 128 else 129 logic = "lo"; 130 > 131 seq_printf(s, " gpio-%-3d (%-20.20s) %-3.3s %-2.2s\n", 132 gpio, label, dir, logic); 133 } 134 } 135 #else 136 #define lmp92001_gpio_dbg_show NULL 137 #endif 138 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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