[PATCH v2 0/4] Fixed some issues and cleanup of ultrasoc-smb

[Junhao He <hejunhao3@huawei.com>]

Fix the Three issues listed below and use guards to cleanup
a) Fixed the BUG of atomic-sleep
b) Fixed uninitialized before use buf_hw_base
c) Fixed use unreset SMB buffer

Changes since V1:
 * Add comment for remove lock from smb_read()
 * Move reset buffer to before register sink
 * Remove patch "simplify the code for check to_copy valid"
 * Add two new patches

Link to V1: https://lore.kernel.org/lkml/20231012094706.21565-1-hejunhao3@huawei.com/

Junhao He (4):
  coresight: ultrasoc-smb: Fix sleep while close preempt in enable_smb
  coresight: ultrasoc-smb: Config SMB buffer before register sink
  coresight: ultrasoc-smb: Fix uninitialized before use buf_hw_base
  coresight: ultrasoc-smb: Use guards to cleanup

 drivers/hwtracing/coresight/ultrasoc-smb.c | 108 +++++++--------------
 drivers/hwtracing/coresight/ultrasoc-smb.h |   6 +-
 2 files changed, 37 insertions(+), 77 deletions(-)

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2.33.0