Allow Exynos UFS driver to build as a module. This patch fix the below build issue reported by kernel build robot. drivers/scsi/ufs/ufs-exynos.o: in function `exynos_ufs_probe': drivers/scsi/ufs/ufs-exynos.c:1231: undefined reference to `ufshcd_pltfrm_init' drivers/scsi/ufs/ufs-exynos.o: in function `exynos_ufs_pre_pwr_mode': drivers/scsi/ufs/ufs-exynos.c:635: undefined reference to `ufshcd_get_pwr_dev_param' drivers/scsi/ufs/ufs-exynos.o:undefined reference to `ufshcd_pltfrm_shutdown' drivers/scsi/ufs/ufs-exynos.o:undefined reference to `ufshcd_pltfrm_suspend' drivers/scsi/ufs/ufs-exynos.o:undefined reference to `ufshcd_pltfrm_resume' drivers/scsi/ufs/ufs-exynos.o:undefined reference to `ufshcd_pltfrm_runtime_suspend' drivers/scsi/ufs/ufs-exynos.o:undefined reference to `ufshcd_pltfrm_runtime_resume' drivers/scsi/ufs/ufs-exynos.o:undefined reference to `ufshcd_pltfrm_runtime_idle' Fixes: 55f4b1f73631 ("scsi: ufs: ufs-exynos: Add UFS host support for Exynos SoCs") Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx> --- drivers/scsi/ufs/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/Kconfig b/drivers/scsi/ufs/Kconfig index 8cd90262784d..3188a50dfb51 100644 --- a/drivers/scsi/ufs/Kconfig +++ b/drivers/scsi/ufs/Kconfig @@ -162,7 +162,7 @@ config SCSI_UFS_BSG If unsure, say N. config SCSI_UFS_EXYNOS - bool "EXYNOS specific hooks to UFS controller platform driver" + tristate "EXYNOS specific hooks to UFS controller platform driver" depends on SCSI_UFSHCD_PLATFORM && (ARCH_EXYNOS || COMPILE_TEST) select PHY_SAMSUNG_UFS help base-commit: ce2cc8efd7a40cbd17841add878cb691d0ce0bba prerequisite-patch-id: c12207f678b32e29496ec7e324425c8f49422a2c prerequisite-patch-id: 8263330366e8c180c0ab9f76fbd4dbbcf0bee427 prerequisite-patch-id: 7456972c04fc1a76c922196aecd98e9ed17cc6eb -- 2.17.1