kernel/dma/coherent.c:82: undefined reference to `memunmap'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   69dac8e431af26173ca0a1ebc87054e01c585bcc
commit: e61c451476e61450f6771ce03bbc01210a09be16 dma-mapping: Add dma_release_coherent_memory to DMA API
date:   7 weeks ago
config: s390-randconfig-r031-20220812 (https://download.01.org/0day-ci/archive/20220813/202208131746.fBYALPxR-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520)
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
        # install s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e61c451476e61450f6771ce03bbc01210a09be16
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout e61c451476e61450f6771ce03bbc01210a09be16
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang 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 >>):

   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: kernel/dma/coherent.o: in function `dma_declare_coherent_memory':
   kernel/dma/coherent.c:48: undefined reference to `memremap'
>> /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: kernel/dma/coherent.c:82: undefined reference to `memunmap'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: kernel/dma/coherent.c:71: undefined reference to `memunmap'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: kernel/dma/coherent.o: in function `dma_release_coherent_memory':
>> kernel/dma/coherent.c:82: undefined reference to `memunmap'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: kernel/dma/coherent.o: in function `rmem_dma_device_init':
   kernel/dma/coherent.c:48: undefined reference to `memremap'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: kernel/dma/coherent.c:71: undefined reference to `memunmap'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: drivers/dma/fsl-edma.o: in function `fsl_edma_probe':
   drivers/dma/fsl-edma.c:302: undefined reference to `devm_ioremap_resource'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: drivers/dma/fsl-edma.c:327: undefined reference to `devm_ioremap_resource'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: drivers/dma/idma64.o: in function `idma64_platform_probe':
   drivers/dma/idma64.c:644: undefined reference to `devm_ioremap_resource'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: drivers/dma/qcom/hidma.o: in function `hidma_probe':
   drivers/dma/qcom/hidma.c:770: undefined reference to `devm_ioremap_resource'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: drivers/dma/qcom/hidma.c:777: undefined reference to `devm_ioremap_resource'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: drivers/char/xillybus/xillybus_of.o: in function `xilly_drv_probe':
   drivers/char/xillybus/xillybus_of.c:50: undefined reference to `devm_platform_ioremap_resource'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: drivers/clocksource/timer-of.o: in function `timer_of_init':
   drivers/clocksource/timer-of.c:159: undefined reference to `of_iomap'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: drivers/clocksource/timer-of.c:151: undefined reference to `iounmap'
   /opt/cross/gcc-12.1.0-nolibc/s390x-linux/bin/s390x-linux-ld: drivers/clocksource/timer-of.o: in function `timer_of_cleanup':
   drivers/clocksource/timer-of.c:151: undefined reference to `iounmap'


vim +82 kernel/dma/coherent.c

7bfa5ab6fa1b18 drivers/base/dma-coherent.c Marek Szyprowski   2014-10-13  76  
e61c451476e614 kernel/dma/coherent.c       Mark-PK Tsai       2022-04-22  77  static void _dma_release_coherent_memory(struct dma_coherent_mem *mem)
7bfa5ab6fa1b18 drivers/base/dma-coherent.c Marek Szyprowski   2014-10-13  78  {
7bfa5ab6fa1b18 drivers/base/dma-coherent.c Marek Szyprowski   2014-10-13  79  	if (!mem)
7bfa5ab6fa1b18 drivers/base/dma-coherent.c Marek Szyprowski   2014-10-13  80  		return;
6b03ae0d42bfec drivers/base/dma-coherent.c Brian Starkey      2016-03-22  81  
6b03ae0d42bfec drivers/base/dma-coherent.c Brian Starkey      2016-03-22 @82  	memunmap(mem->virt_base);
9fbd8dc19aa57e kernel/dma/coherent.c       Christophe JAILLET 2021-10-24  83  	bitmap_free(mem->bitmap);
7bfa5ab6fa1b18 drivers/base/dma-coherent.c Marek Szyprowski   2014-10-13  84  	kfree(mem);
7bfa5ab6fa1b18 drivers/base/dma-coherent.c Marek Szyprowski   2014-10-13  85  }
7bfa5ab6fa1b18 drivers/base/dma-coherent.c Marek Szyprowski   2014-10-13  86  

:::::: The code at line 82 was first introduced by commit
:::::: 6b03ae0d42bfecf2536f7967d37e471d98c0b3d2 drivers: dma-coherent: use MEMREMAP_WC for DMA_MEMORY_MAP

:::::: TO: Brian Starkey <brian.starkey@arm.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

-- 
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