RE: drivers/mmc/host/renesas_sdhi_core.c:951: undefined reference to `rdev_get_drvdata'

From: Biju Das
Date: Sat Mar 29 2025 - 02:41:53 EST


Hi all,


> -----Original Message-----
> From: kernel test robot <lkp@xxxxxxxxx>
> Sent: 28 March 2025 21:44
> Subject: drivers/mmc/host/renesas_sdhi_core.c:951: undefined reference to `rdev_get_drvdata'
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: acb4f33713b9f6cadb6143f211714c343465411c
> commit: fae80a99dc0320be854aa789cbe7ed0e1e574c61 mmc: renesas_sdhi: Add support for RZ/G3E SoC
> date: 2 weeks ago
> config: arm-randconfig-r111-20250328 (https://download.01.org/0day-
> ci/archive/20250329/202503290554.zASQT70Q-lkp@xxxxxxxxx/config)
> compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0
> reproduce: (https://download.01.org/0day-ci/archive/20250329/202503290554.zASQT70Q-
> lkp@xxxxxxxxx/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of the same
> patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@xxxxxxxxx>
> | Closes:
> | https://lore.kernel.org/oe-kbuild-all/202503290554.zASQT70Q-lkp@intel.
> | com/
>
> All errors (new ones prefixed by >>):
>
> arm-linux-gnueabi-ld: drivers/mmc/host/renesas_sdhi_core.o: in function
> `renesas_sdhi_regulator_is_enabled':
> >> drivers/mmc/host/renesas_sdhi_core.c:951: undefined reference to `rdev_get_drvdata'
> arm-linux-gnueabi-ld: drivers/mmc/host/renesas_sdhi_core.o: in function
> `renesas_sdhi_regulator_get_voltage':
> drivers/mmc/host/renesas_sdhi_core.c:961: undefined reference to `rdev_get_drvdata'
> arm-linux-gnueabi-ld: drivers/mmc/host/renesas_sdhi_core.o: in function
> `renesas_sdhi_regulator_disable':
> drivers/mmc/host/renesas_sdhi_core.c:927: undefined reference to `rdev_get_drvdata'
> arm-linux-gnueabi-ld: drivers/mmc/host/renesas_sdhi_core.o: in function
> `renesas_sdhi_regulator_enable':
> drivers/mmc/host/renesas_sdhi_core.c:939: undefined reference to `rdev_get_drvdata'
> arm-linux-gnueabi-ld: drivers/mmc/host/renesas_sdhi_core.o: in function
> `renesas_sdhi_regulator_set_voltage':
> drivers/mmc/host/renesas_sdhi_core.c:973: undefined reference to `rdev_get_drvdata'
> arm-linux-gnueabi-ld: drivers/mmc/host/renesas_sdhi_core.o: in function `renesas_sdhi_probe':
> >> drivers/mmc/host/renesas_sdhi_core.c:1177: undefined reference to `devm_regulator_register'

CONFIG_REGULATOR is not enabled in arm-randconfig-r111-20250328 that is leading
to this build issue.

I will send a fix by "select REGULATOR" in config MMC_SDHI

Cheers,
Biju

>
>
> vim +951 drivers/mmc/host/renesas_sdhi_core.c
>
> 948
> 949 static int renesas_sdhi_regulator_is_enabled(struct regulator_dev *rdev)
> 950 {
> > 951 struct tmio_mmc_host *host = rdev_get_drvdata(rdev);
> 952 u32 sd_status;
> 953
> 954 sd_status = sd_ctrl_read32(host, CTL_SD_STATUS);
> 955
> 956 return (sd_status & SD_STATUS_PWEN) ? 1 : 0;
> 957 }
> 958
> 959 static int renesas_sdhi_regulator_get_voltage(struct regulator_dev *rdev)
> 960 {
> > 961 struct tmio_mmc_host *host = rdev_get_drvdata(rdev);
> 962 u32 sd_status;
> 963
> 964 sd_status = sd_ctrl_read32(host, CTL_SD_STATUS);
> 965
> 966 return (sd_status & SD_STATUS_IOVS) ? 1800000 : 3300000;
> 967 }
> 968
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki