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    SubjectRe: [PATCH V2 1/1] mmc:sdhci-bayhub:fix Qualcomm sd host 7180 SD card compatibility issue
    Hi Chevron,

    Thank you for the patch! Yet something to improve:

    [auto build test ERROR on robh/for-next]
    [also build test ERROR on linux/master linus/master v5.16-rc8]
    [If your patch is applied to the wrong git tree, kindly drop us a note.
    And when submitting patch, we suggest to use '--base' as documented in
    https://git-scm.com/docs/git-format-patch]

    url: https://github.com/0day-ci/linux/commits/Chevron-Li/mmc-sdhci-bayhub-fix-Qualcomm-sd-host-7180-SD-card-compatibility-issue/20220105-203109
    base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
    config: mips-allmodconfig (https://download.01.org/0day-ci/archive/20220106/202201060751.sKVVMT8D-lkp@intel.com/config)
    compiler: mips-linux-gcc (GCC) 11.2.0
    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://github.com/0day-ci/linux/commit/26adf9f047e13b3b5a025c2a4c7eccb1db2af050
    git remote add linux-review https://github.com/0day-ci/linux
    git fetch --no-tags linux-review Chevron-Li/mmc-sdhci-bayhub-fix-Qualcomm-sd-host-7180-SD-card-compatibility-issue/20220105-203109
    git checkout 26adf9f047e13b3b5a025c2a4c7eccb1db2af050
    # save the config file to linux build tree
    mkdir build_dir
    COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash

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

    All error/warnings (new ones prefixed by >>, old ones prefixed by <<):

    ERROR: modpost: missing MODULE_LICENSE() in drivers/pci/controller/pcie-mt7621.o
    >> ERROR: modpost: "mmc_attach_mmc" [drivers/mmc/host/sdhci-bayhub.ko] undefined!
    >> ERROR: modpost: "mmc_attach_sdio" [drivers/mmc/host/sdhci-bayhub.ko] undefined!
    >> ERROR: modpost: "mmc_send_if_cond_pcie" [drivers/mmc/host/sdhci-bayhub.ko] undefined!
    >> ERROR: modpost: "sdio_reset" [drivers/mmc/host/sdhci-bayhub.ko] undefined!
    >> ERROR: modpost: "mmc_pwrseq_reset" [drivers/mmc/host/sdhci-bayhub.ko] undefined!
    >> ERROR: modpost: "mmc_power_up" [drivers/mmc/host/sdhci-bayhub.ko] undefined!
    >> ERROR: modpost: "mmc_add_card" [drivers/mmc/host/sdhci-bayhub.ko] undefined!
    >> ERROR: modpost: "mmc_spi_read_ocr" [drivers/mmc/host/sdhci-bayhub.ko] undefined!
    >> ERROR: modpost: "mmc_go_idle" [drivers/mmc/host/sdhci-bayhub.ko] undefined!
    >> ERROR: modpost: "mmc_select_voltage" [drivers/mmc/host/sdhci-bayhub.ko] undefined!
    WARNING: modpost: suppressed 34 unresolved symbol warnings because there were too many)
    --
    >> drivers/mmc/host/sdhci-bayhub.c:2265:5: warning: no previous prototype for 'mmc_app_set_clr_card_detect' [-Wmissing-prototypes]
    2265 | int mmc_app_set_clr_card_detect(struct mmc_card *card)
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:3291:6: warning: no previous prototype for 'mmc_rescan_bayhub' [-Wmissing-prototypes]
    3291 | void mmc_rescan_bayhub(struct work_struct *work)
    | ^~~~~~~~~~~~~~~~~
    drivers/mmc/host/sdhci-bayhub.c: In function 'dump_array':
    >> drivers/mmc/host/sdhci-bayhub.c:4154:12: warning: variable 'str' set but not used [-Wunused-but-set-variable]
    4154 | u8 str[12] = { 0 };
    | ^~~
    drivers/mmc/host/sdhci-bayhub.c: At top level:
    >> drivers/mmc/host/sdhci-bayhub.c:4232:6: warning: no previous prototype for 'no_fail_p' [-Wmissing-prototypes]
    4232 | void no_fail_p(u8 *tuning_win, u8 *mid_val, u8 *max_pass_win, u8 *first_val)
    | ^~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4254:6: warning: no previous prototype for 'tx_selb_calculate_valid_phase_range' [-Wmissing-prototypes]
    4254 | void tx_selb_calculate_valid_phase_range(u32 val, int *start,
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4270:6: warning: no previous prototype for 'ggc_update_default_selb_phase_tuning_cnt' [-Wmissing-prototypes]
    4270 | bool ggc_update_default_selb_phase_tuning_cnt(struct sdhci_host *host, int selb,
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4310:5: warning: no previous prototype for 'sdhci_bht_sdr50_execute_tuning' [-Wmissing-prototypes]
    4310 | int sdhci_bht_sdr50_execute_tuning(struct sdhci_host *host, u32 opcode)
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4371:5: warning: no previous prototype for 'get_config_sela_setting' [-Wmissing-prototypes]
    4371 | int get_config_sela_setting(struct sdhci_host *host)
    | ^~~~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4382:5: warning: no previous prototype for 'get_config_selb_setting' [-Wmissing-prototypes]
    4382 | int get_config_selb_setting(struct sdhci_host *host)
    | ^~~~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4393:5: warning: no previous prototype for 'get_all_sela_status' [-Wmissing-prototypes]
    4393 | u32 get_all_sela_status(struct sdhci_host *host, u32 target_selb)
    | ^~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4407:5: warning: no previous prototype for 'get_pass_window_weight' [-Wmissing-prototypes]
    4407 | int get_pass_window_weight(u32 val)
    | ^~~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4419:5: warning: no previous prototype for 'get_sela_nearby_pass_window' [-Wmissing-prototypes]
    4419 | int get_sela_nearby_pass_window(u32 sela, u32 base)
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4457:5: warning: no previous prototype for 'get_left_one_sel' [-Wmissing-prototypes]
    4457 | int get_left_one_sel(int base)
    | ^~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4465:5: warning: no previous prototype for 'get_right_one_sel' [-Wmissing-prototypes]
    4465 | int get_right_one_sel(int base)
    | ^~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4473:5: warning: no previous prototype for 'get_dif' [-Wmissing-prototypes]
    4473 | int get_dif(int x, int y)
    | ^~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4667:6: warning: no previous prototype for 'tx_selb_inject_policy' [-Wmissing-prototypes]
    4667 | void tx_selb_inject_policy(struct sdhci_host *host, int tx_selb)
    | ^~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4686:5: warning: no previous prototype for 'get_selb_failure_point' [-Wmissing-prototypes]
    4686 | int get_selb_failure_point(int start, u64 raw_tx_selb, int tuning_cnt)
    | ^~~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4726:6: warning: no previous prototype for 'selx_failure_point_exist' [-Wmissing-prototypes]
    4726 | bool selx_failure_point_exist(u32 val)
    | ^~~~~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4736:5: warning: no previous prototype for '_get_best_window_phase' [-Wmissing-prototypes]
    4736 | int _get_best_window_phase(u32 vct, int *pmax_pass_win, int shif_left_flg)
    | ^~~~~~~~~~~~~~~~~~~~~~
    >> drivers/mmc/host/sdhci-bayhub.c:4802:5: warning: no previous prototype for 'get_best_window_phase' [-Wmissing-prototypes]
    4802 | int get_best_window_phase(u32 vct, int *pmax_pass_win)
    | ^~~~~~~~~~~~~~~~~~~~~
    drivers/mmc/host/sdhci-bayhub.c:4845:6: warning: no previous prototype for 'ggc_hw_inject_ext' [-Wmissing-prototypes]
    4845 | bool ggc_hw_inject_ext(struct sdhci_host *host, bool *card_status,
    | ^~~~~~~~~~~~~~~~~
    drivers/mmc/host/sdhci-bayhub.c:4881:6: warning: no previous prototype for '_ggc_hw_inject_may_recursive' [-Wmissing-prototypes]
    4881 | bool _ggc_hw_inject_may_recursive(struct sdhci_host *host, u32 sel200,
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
    drivers/mmc/host/sdhci-bayhub.c:4914:6: warning: no previous prototype for 'ggc_hw_inject_may_recursive' [-Wmissing-prototypes]
    4914 | bool ggc_hw_inject_may_recursive(struct sdhci_host *host, u32 sel200,
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
    drivers/mmc/host/sdhci-bayhub.c:4920:6: warning: no previous prototype for 'get_next_dll_voltage' [-Wmissing-prototypes]
    4920 | bool get_next_dll_voltage(int cur, int *next, u32 *dll_voltage_unlock_cnt,
    | ^~~~~~~~~~~~~~~~~~~~
    drivers/mmc/host/sdhci-bayhub.c:4963:6: warning: no previous prototype for 'ggc_sw_calc_tuning_result' [-Wmissing-prototypes]
    4963 | bool ggc_sw_calc_tuning_result(struct sdhci_host *host, bool *card_status,
    | ^~~~~~~~~~~~~~~~~~~~~~~~~
    drivers/mmc/host/sdhci-bayhub.c:5038:6: warning: no previous prototype for '_ggc_calc_cur_sela_tuning_result' [-Wmissing-prototypes]
    5038 | bool _ggc_calc_cur_sela_tuning_result(struct sdhci_host *host, int cur_sela, int start_selb)
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    ---
    0-DAY CI Kernel Test Service, Intel Corporation
    https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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