Hi Herbert,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c2bf05db6c78f53ca5cd4b48f3b9b71f78d215f1
commit: a1315dcb7b6a7d3a78df848eed5b331a4b3ec28a hwrng: ks-sa - Add dependency on IOMEM and OF
date:   2 years ago
config: s390-randconfig-c032-20221204
compiler: s390-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a1315dcb7b6a7d3a78df848eed5b331a4b3ec28a
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout a1315dcb7b6a7d3a78df848eed5b331a4b3ec28a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   s390-linux-ld: kernel/dma/coherent.o: in function `dma_init_coherent_memory':
   coherent.c:(.text+0x4fc): undefined reference to `memremap'
   s390-linux-ld: coherent.c:(.text+0x5e0): undefined reference to `memunmap'
   s390-linux-ld: kernel/dma/coherent.o: in function `dma_declare_coherent_memory':
   coherent.c:(.text+0x794): undefined reference to `memunmap'
   s390-linux-ld: drivers/irqchip/irq-al-fic.o: in function `al_fic_init_dt':
   irq-al-fic.c:(.init.text+0x58): undefined reference to `of_iomap'
   s390-linux-ld: irq-al-fic.c:(.init.text+0x3ac): undefined reference to `iounmap'
   s390-linux-ld: drivers/irqchip/irq-imx-intmux.o: in function `imx_intmux_probe':
   irq-imx-intmux.c:(.text+0x640): undefined reference to `devm_platform_ioremap_resource'
   s390-linux-ld: drivers/phy/marvell/phy-mvebu-a3700-utmi.o: in function `mvebu_a3700_utmi_phy_probe':
   phy-mvebu-a3700-utmi.c:(.text+0xf4): undefined reference to `devm_platform_ioremap_resource'
   s390-linux-ld: drivers/dma/idma64.o: in function `idma64_platform_probe':
   idma64.c:(.text+0x8c6): undefined reference to `devm_ioremap_resource'
   s390-linux-ld: drivers/dma/qcom/hidma.o: in function `hidma_probe':
   hidma.c:(.text+0x69c): undefined reference to `devm_ioremap_resource'
   s390-linux-ld: hidma.c:(.text+0x718): undefined reference to `devm_ioremap_resource'
   s390-linux-ld: drivers/dma/ti/edma.o: in function `edma_xbar_event_map':
   edma.c:(.text+0x34d0): undefined reference to `of_address_to_resource'
   s390-linux-ld: edma.c:(.text+0x3508): undefined reference to `devm_ioremap'
   s390-linux-ld: drivers/dma/ti/edma.o: in function `edma_probe':
   edma.c:(.text+0x55c2): undefined reference to `devm_ioremap_resource'
   s390-linux-ld: drivers/dma/ti/omap-dma.o: in function `omap_dma_probe':
   omap-dma.c:(.text+0x1772): undefined reference to `devm_ioremap_resource'
   s390-linux-ld: drivers/dma/ti/dma-crossbar.o: in function `ti_am335x_xbar_probe':
   dma-crossbar.c:(.text+0x82e): undefined reference to `devm_platform_ioremap_resource'
   s390-linux-ld: drivers/dma/ti/dma-crossbar.o: in function `ti_dra7_xbar_probe':
   dma-crossbar.c:(.text+0xda8): undefined reference to `devm_platform_ioremap_resource'
   s390-linux-ld: drivers/soc/fsl/dpaa2-console.o: in function `dpaa2_console_close':
   dpaa2-console.c:(.text+0x64): undefined reference to `iounmap'
   s390-linux-ld: drivers/soc/fsl/dpaa2-console.o: in function `dpaa2_console_probe':
   dpaa2-console.c:(.text+0xac): undefined reference to `of_address_to_resource'
   s390-linux-ld: drivers/soc/fsl/dpaa2-console.o: in function `dpaa2_generic_console_open.constprop.0':
   dpaa2-console.c:(.text+0x1e6): undefined reference to `ioremap'
   s390-linux-ld: dpaa2-console.c:(.text+0x22a): undefined reference to `iounmap'
   s390-linux-ld: dpaa2-console.c:(.text+0x2ae): undefined reference to `ioremap'
   s390-linux-ld: dpaa2-console.c:(.text+0x33a): undefined reference to `iounmap'
   s390-linux-ld: drivers/char/hw_random/exynos-trng.o: in function `exynos_trng_probe':
   exynos-trng.c:(.text+0x328): undefined reference to `devm_platform_ioremap_resource'
   s390-linux-ld: drivers/char/hw_random/meson-rng.o: in function `meson_rng_probe':
   meson-rng.c:(.text+0xba): undefined reference to `devm_platform_ioremap_resource'
   s390-linux-ld: drivers/char/hw_random/mtk-rng.o: in function `mtk_rng_probe':
   mtk-rng.c:(.text+0x3c2): undefined reference to `devm_platform_ioremap_resource'
   s390-linux-ld: drivers/char/hw_random/npcm-rng.o: in function `npcm_rng_probe':
   npcm-rng.c:(.text+0x264): undefined reference to `devm_platform_ioremap_resource'
   s390-linux-ld: drivers/char/xillybus/xillybus_of.o: in function `xilly_drv_probe':
>> xillybus_of.c:(.text+0x148): undefined reference to `devm_platform_ioremap_resource'
   s390-linux-ld: drivers/mfd/sun6i-prcm.o: in function `sun6i_prcm_probe':
   sun6i-prcm.c:(.text+0xbe): undefined reference to `mfd_add_devices'
   s390-linux-ld: drivers/watchdog/sirfsoc_wdt.o: in function `sirfsoc_wdt_probe':
   sirfsoc_wdt.c:(.text+0xd0): undefined reference to `devm_platform_ioremap_resource'
   s390-linux-ld: drivers/crypto/ccree/cc_driver.o: in function `init_cc_resources':
   cc_driver.c:(.text+0x7d8): undefined reference to `devm_ioremap_resource'
   s390-linux-ld: drivers/crypto/ccree/cc_debugfs.o: in function `cc_debugfs_init':
   cc_debugfs.c:(.text+0xb8): undefined reference to `debugfs_create_regset32'
   s390-linux-ld: cc_debugfs.c:(.text+0x176): undefined reference to `debugfs_create_regset32'
   s390-linux-ld: drivers/clocksource/timer-of.o: in function `timer_of_init':
   timer-of.c:(.init.text+0x3ea): undefined reference to `of_iomap'
   s390-linux-ld: timer-of.c:(.init.text+0x588): undefined reference to `iounmap'
   s390-linux-ld: drivers/clocksource/timer-of.o: in function `timer_of_cleanup':
   timer-of.c:(.init.text+0x65e): undefined reference to `iounmap'
   s390-linux-ld: drivers/clocksource/timer-microchip-pit64b.o: in function `mchp_pit64b_dt_init_timer':
   timer-microchip-pit64b.c:(.init.text+0x560): undefined reference to `of_iomap'
   s390-linux-ld: timer-microchip-pit64b.c:(.init.text+0x83a): undefined reference to `iounmap'

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for MFD_SUN6I_PRCM
   Depends on [n]: HAS_IOMEM [=n] && (ARCH_SUNXI || COMPILE_TEST [=y])
   Selected by [y]:
   - CLK_SUNXI_PRCM_SUN6I [=y] && COMMON_CLK [=y] && CLK_SUNXI [=y]
   - CLK_SUNXI_PRCM_SUN8I [=y] && COMMON_CLK [=y] && CLK_SUNXI [=y]

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp