[PATCH v5 0/7] Several changes for UFS WriteBooster

Bean Huo
2020-12-16T00:00:53Z

From: Bean Huo <beanhuo@micron.com>

Changelog:
V--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 (7):
scsi: ufs: Add "wb_on" sysfs node to control WB on/off
docs: ABI: Add wb_on documentation for UFS sysfs
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
scsi: ufs: Keep device active mode only
fWriteBoosterBufferFlushDuringHibernate == 1

Documentation/ABI/testing/sysfs-driver-ufs | 8 ++
drivers/scsi/ufs/ufs-sysfs.c | 41 +++++++
drivers/scsi/ufs/ufs.h | 30 ++---
drivers/scsi/ufs/ufshcd.c | 124 +++++++++------------
drivers/scsi/ufs/ufshcd.h | 6 +-
5 files changed, 122 insertions(+), 87 deletions(-)

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2.17.1