On Sat, Aug 19, 2017 at 3:21 AM, kbuild test robot <lkp@xxxxxxxxx> wrote: > Hi Oleksandr, > > [auto build test ERROR on linus/master] > [also build test ERROR on v4.13-rc5 next-20170817] > [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/Oleksandr-Shamray/drivers-jtag-Add-JTAG-core-driver/20170818-114739 > config: um-allyesconfig (attached as .config) > compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 > reproduce: > # save the attached .config to linux build tree > make ARCH=um > > All errors (new ones prefixed by >>): > > drivers/auxdisplay/img-ascii-lcd.o: In function `img_ascii_lcd_probe': > drivers/auxdisplay/img-ascii-lcd.c:386: undefined reference to `devm_ioremap_resource' > drivers/jtag/jtag-aspeed.o: In function `aspeed_jtag_init': >>> drivers/jtag/jtag-aspeed.c:635: undefined reference to `devm_ioremap_resource' > collect2: error: ld returned 1 exit status So arch/um now provides an ioremap() stub despite the absence of CONFIG_HAS_IOMEM, but the respective devm_* interface from lib/devres.c is not available. We can either work around this for new drivers as we used to do for ioremap() by adding a correct 'depends on HAS_IOMEM' Kconfig dependency, or we could find a way for arch/um to provide stubs for the additional functions as well. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
