UFS driver general fixes bundle 4

This bundle includes 6 general fixes for UFS driver.

Changes since v1:
- Fixed minor typo

Asutosh Das (1):
scsi: ufs: set load before setting voltage in regulators

Can Guo (4):
scsi: ufs: Remove the check before call setup clock notify vops
scsi: ufs-qcom: Adjust bus bandwidth voting and unvoting
scsi: ufs: Add dev ref clock gating wait time support
scsi: ufs: Fix ufshcd_hold() caused scheduling while atomic

Sayali Lokhande (1):
scsi: ufs: Flush exception event before suspend

 drivers/scsi/ufs/ufs-qcom.c |  57 +++++++++++++++--------
 drivers/scsi/ufs/ufs.h      |   3 ++
 drivers/scsi/ufs/ufshcd.c   | 108 ++++++++++++++++++++++++++++++++------------
 3 files changed, 122 insertions(+), 46 deletions(-)

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