[PATCH v7 0/6] Several changes for UFS WriteBooster

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From: Bean Huo <beanhuo@xxxxxxxxxx>

Changelog:

v6--v7:
 1. Change wb_on sysfs documentation and add information that WriteBooster
 is already enabled after power-on/reset(Incorporate Adrian Hunter's suggestion)

v5--v6:
 1. Remove original patch 7/7:
 "scsi: ufs: Keep device active mode only fWriteBoosterBufferFlushDuringHibernate == 1"
 2. Rebased patch onto 5.12/scsi-staging
 3. Add protection of PM ops and err_handler for the wb_on entry access

V4--V5:
  1. Add patch "docs: ABI: Add wb_on documentation for UFS sysfs"
  2. Unify WB related flags with wb_* prefix (Stanley Chu)
  3. Delete d_ext_ufs_feature_sup (Stanley Chu)
  4. Incorporate Stanley's suggestion to patch 6/7
  5. Replace scnprintf() with sysfs_emit() in 1/7 (Greg KH)

v3--v4:
  1. Rebase patch on 5.11/scsi-staging
  2. Add WB cleanup patches 3/6, 4/6 adn 5/6

v2--v3:
  1. Change multi-line comments style in patch 1/3 (Can Guo)

v1--v2:
  1. Take is_hibern8_wb_flush checkup out from function
     ufshcd_wb_need_flush() in patch 2/3
  2. Add UFSHCD_CAP_CLK_SCALING checkup in patch 1/3. that means
     only for the platform, which doesn't support UFSHCD_CAP_CLK_SCALING,
     can control WB through "wb_on".

Bean Huo (6):
  scsi: ufs: Add "wb_on" sysfs node to control WB on/off
  docs: ABI: Add wb_on documentation for new entry wb_on
  scsi: ufs: Changes comment in the function ufshcd_wb_probe()
  scsi: ufs: Remove two WB related fields from struct ufs_dev_info
  scsi: ufs: Group UFS WB related flags to struct ufs_dev_info
  scsi: ufs: Cleanup WB buffer flush toggle implementation

 Documentation/ABI/testing/sysfs-driver-ufs |  11 +++
 drivers/scsi/ufs/ufs-sysfs.c               |  46 +++++++++
 drivers/scsi/ufs/ufs.h                     |  29 +++---
 drivers/scsi/ufs/ufshcd.c                  | 103 ++++++++-------------
 drivers/scsi/ufs/ufshcd.h                  |   6 +-
 5 files changed, 113 insertions(+), 82 deletions(-)

-- 
2.17.1




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