Hi, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: da2f6aba4a21f8da3331e5251a117c52764da579 commit: 296ad4acb8efeffa456e344c73dc9459f4e9e1a0 gpio: remove deps on ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB date: 9 weeks ago config: um-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: git checkout 296ad4acb8efeffa456e344c73dc9459f4e9e1a0 # save the attached .config to linux build tree make ARCH=um All errors (new ones prefixed by >>): drivers/gpio/gpio-mpc8xxx.c: In function 'mpc8xxx_probe': >> drivers/gpio/gpio-mpc8xxx.c:373:2: error: implicit declaration of function >> 'iounmap' [-Werror=implicit-function-declaration] iounmap(mpc8xxx_gc->regs); ^~~~~~~ cc1: some warnings being treated as errors vim +/iounmap +373 drivers/gpio/gpio-mpc8xxx.c 42178e2a1e drivers/gpio/gpio-mpc8xxx.c Liu Gang 2016-02-03 357 if (!mpc8xxx_gc->irqn) 98686d9a52 drivers/gpio/gpio-mpc8xxx.c Ricardo Ribalda Delgado 2015-01-18 358 return 0; 345e5c8a1c arch/powerpc/sysdev/mpc8xxx_gpio.c Peter Korsgaard 2010-01-07 359 a8db8cf0d8 drivers/gpio/gpio-mpc8xxx.c Grant Likely 2012-02-14 360 mpc8xxx_gc->irq = irq_domain_add_linear(np, MPC8XXX_GPIO_PINS, a8db8cf0d8 drivers/gpio/gpio-mpc8xxx.c Grant Likely 2012-02-14 361 &mpc8xxx_gpio_irq_ops, mpc8xxx_gc); 345e5c8a1c arch/powerpc/sysdev/mpc8xxx_gpio.c Peter Korsgaard 2010-01-07 362 if (!mpc8xxx_gc->irq) 98686d9a52 drivers/gpio/gpio-mpc8xxx.c Ricardo Ribalda Delgado 2015-01-18 363 return 0; 345e5c8a1c arch/powerpc/sysdev/mpc8xxx_gpio.c Peter Korsgaard 2010-01-07 364 345e5c8a1c arch/powerpc/sysdev/mpc8xxx_gpio.c Peter Korsgaard 2010-01-07 365 /* ack and mask all irqs */ cd0d3f58a0 drivers/gpio/gpio-mpc8xxx.c Axel Lin 2016-02-22 366 gc->write_reg(mpc8xxx_gc->regs + GPIO_IER, 0xffffffff); cd0d3f58a0 drivers/gpio/gpio-mpc8xxx.c Axel Lin 2016-02-22 367 gc->write_reg(mpc8xxx_gc->regs + GPIO_IMR, 0); 345e5c8a1c arch/powerpc/sysdev/mpc8xxx_gpio.c Peter Korsgaard 2010-01-07 368 05379818e4 drivers/gpio/gpio-mpc8xxx.c Thomas Gleixner 2015-06-21 369 irq_set_chained_handler_and_data(mpc8xxx_gc->irqn, 05379818e4 drivers/gpio/gpio-mpc8xxx.c Thomas Gleixner 2015-06-21 370 mpc8xxx_gpio_irq_cascade, mpc8xxx_gc); 257e10752c drivers/gpio/gpio-mpc8xxx.c Ricardo Ribalda Delgado 2015-01-18 371 return 0; 42178e2a1e drivers/gpio/gpio-mpc8xxx.c Liu Gang 2016-02-03 372 err: 42178e2a1e drivers/gpio/gpio-mpc8xxx.c Liu Gang 2016-02-03 @373 iounmap(mpc8xxx_gc->regs); 42178e2a1e drivers/gpio/gpio-mpc8xxx.c Liu Gang 2016-02-03 374 return ret; 257e10752c drivers/gpio/gpio-mpc8xxx.c Ricardo Ribalda Delgado 2015-01-18 375 } 257e10752c drivers/gpio/gpio-mpc8xxx.c Ricardo Ribalda Delgado 2015-01-18 376 257e10752c drivers/gpio/gpio-mpc8xxx.c Ricardo Ribalda Delgado 2015-01-18 377 static int mpc8xxx_remove(struct platform_device *pdev) 257e10752c drivers/gpio/gpio-mpc8xxx.c Ricardo Ribalda Delgado 2015-01-18 378 { 257e10752c drivers/gpio/gpio-mpc8xxx.c Ricardo Ribalda Delgado 2015-01-18 379 struct mpc8xxx_gpio_chip *mpc8xxx_gc = platform_get_drvdata(pdev); 257e10752c drivers/gpio/gpio-mpc8xxx.c Ricardo Ribalda Delgado 2015-01-18 380 257e10752c drivers/gpio/gpio-mpc8xxx.c Ricardo Ribalda Delgado 2015-01-18 381 if (mpc8xxx_gc->irq) { :::::: The code at line 373 was first introduced by commit :::::: 42178e2a1e42b480ada954750f248b53d3fb5940 drivers/gpio: Switch gpio-mpc8xxx to use gpio-generic :::::: TO: Liu Gang <gang....@nxp.com> :::::: CC: Linus Walleij <linus.wall...@linaro.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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