This patch series is to clean up UFS's Write Booster code and adds sysfs attribute which can control the specific feature of it. V2: - modify commit message - move & modify err messages - remove unnesscessary debug messages V3: - split patch (functional, non-functional) V4: - split patch (The number of patches from 2 to 7) - modify dev messages - modify commit message Jinyoung Choi (7): scsi: ufs: wb: Move ufshcd_is_wb_allowed() to callee function scsi: ufs: wb: Change wb_enabled condition test scsi: ufs: wb: Change functions name and modify parameter name scsi: ufs: wb: Add explicit flush sysfs attribute scsi: ufs: wb: Add ufshcd_is_wb_buf_flush_allowed() scsi: ufs: wb: Modify messages scsi: ufs: wb: Move the comment to the right position drivers/ufs/core/ufs-sysfs.c | 46 +++++++++++++++++++++++- drivers/ufs/core/ufshcd.c | 69 +++++++++++++++++++----------------- include/ufs/ufshcd.h | 7 ++++ 3 files changed, 89 insertions(+), 33 deletions(-) -- 2.25.1