tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git devel head: 4e76068b2f47fd13de3868f8b631539aadb81b4e commit: c97740bb0e4684b0db4627024f6acc482c81fd0f [71/74] gpio: tegra: Include the right header config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout c97740bb0e4684b0db4627024f6acc482c81fd0f # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=xtensa All errors (new ones prefixed by >>): drivers/gpio/gpio-tegra.c: In function 'tegra_gpio_get_direction': drivers/gpio/gpio-tegra.c:210:27: error: 'GPIOF_DIR_OUT' undeclared (first use in this function); did you mean 'GPIO_MSK_OUT'? return (oe & pin_mask) ? GPIOF_DIR_OUT : GPIOF_DIR_IN; ^~~~~~~~~~~~~ GPIO_MSK_OUT drivers/gpio/gpio-tegra.c:210:27: note: each undeclared identifier is reported only once for each function it appears in >> drivers/gpio/gpio-tegra.c:210:43: error: 'GPIOF_DIR_IN' undeclared (first use in this function); did you mean 'GPIO_DBC_CNT'? return (oe & pin_mask) ? GPIOF_DIR_OUT : GPIOF_DIR_IN; ^~~~~~~~~~~~ GPIO_DBC_CNT drivers/gpio/gpio-tegra.c:211:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +210 drivers/gpio/gpio-tegra.c 3c92db9a arch/arm/mach-tegra/gpio.c Erik Gilling 2010-03-15 196 4bc17860 drivers/gpio/gpio-tegra.c Thierry Reding 2017-07-24 197 static int tegra_gpio_get_direction(struct gpio_chip *chip, 4bc17860 drivers/gpio/gpio-tegra.c Thierry Reding 2017-07-24 198 unsigned int offset) f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 199 { f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 200 struct tegra_gpio_info *tgi = gpiochip_get_data(chip); f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 201 u32 pin_mask = BIT(GPIO_BIT(offset)); f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 202 u32 cnf, oe; f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 203 f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 204 cnf = tegra_gpio_readl(tgi, GPIO_CNF(tgi, offset)); f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 205 if (!(cnf & pin_mask)) f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 206 return -EINVAL; f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 207 f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 208 oe = tegra_gpio_readl(tgi, GPIO_OE(tgi, offset)); f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 209 f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 @210 return (oe & pin_mask) ? GPIOF_DIR_OUT : GPIOF_DIR_IN; f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 211 } f002d07c drivers/gpio/gpio-tegra.c Laxman Dewangan 2016-04-29 212 :::::: The code at line 210 was first introduced by commit :::::: f002d07c56c7b7007328e8fff2adf04db1c81e90 gpio: tegra: Implement gpio_get_direction callback :::::: TO: Laxman Dewangan <ldewangan@xxxxxxxxxx> :::::: CC: Linus Walleij <linus.walleij@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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