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    SubjectRe: [mtd:nand/next 11/31] drivers/mtd/nand/raw/cadence-nand-controller.c:1893:4: error: implicit declaration of function 'ioread64_rep' is invalid in C99
    Hi Valentin,

    lkp@intel.com wrote on Wed, 21 Sep 2022 06:31:23 +0800:

    > tree: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next
    > head: 63de24fccb6b831be1abfe07292449105b467731
    > commit: 7e7dc04774b18c0e42ce74aa3357021cda979674 [11/31] mtd: rawnand: cadence: support 64-bit slave dma interface
    > config: x86_64-randconfig-a001 (https://download.01.org/0day-ci/archive/20220921/202209210641.MziHAbW7-lkp@intel.com/config)
    > compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
    > 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/mtd/linux.git/commit/?id=7e7dc04774b18c0e42ce74aa3357021cda979674
    > git remote add mtd https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git
    > git fetch --no-tags mtd nand/next
    > git checkout 7e7dc04774b18c0e42ce74aa3357021cda979674
    > # 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=x86_64 SHELL=/bin/bash drivers/mtd/nand/raw/
    >
    > 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 >>):
    >
    > >> drivers/mtd/nand/raw/cadence-nand-controller.c:1893:4: error: implicit declaration of function 'ioread64_rep' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
    > ioread64_rep(cdns_ctrl->io.virt, buf, len_in_words);
    > ^
    > >> drivers/mtd/nand/raw/cadence-nand-controller.c:1962:4: error: implicit declaration of function 'iowrite64_rep' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
    > iowrite64_rep(cdns_ctrl->io.virt, buf, len_in_words);
    > ^
    > 2 errors generated.

    I've dropped your patch from nand/next, here you can check what's
    missing in the configuration, should not be too hard to solve. Once
    done, you can send a new version of the patch.

    Thanks,
    Miquèl

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