[PATCH -next] scsi: ufs: allow exynos ufs driver to build as module

[Alim Akhtar]

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