This patch series enable support for ufshcd_abort() and error handler in MCQ mode.
The first 3 patches are for supporting ufshcd_abort().
The 4th and 5th patches are for supporting error handler.
Bao D. Nguyen (5):
ufs: mcq: Add supporting functions for mcq abort
ufs: mcq: Add support for clean up mcq resources
ufs: mcq: Added ufshcd_mcq_abort()
ufs: mcq: Use ufshcd_mcq_poll_cqe_lock() in mcq mode
ufs: core: Add error handling for MCQ mode
---
v2->v3:
patch #1:
- In ufshcd_mcq_sq_cleanup(), identify dev_command and correctly use the hwq dedicated for dev command.
- Addressed Bart's comments:
a. ufshcd_mcq_sqe_search(), renaming "i" into "slot"
b. modify ufshcd_mcq_update_sq_head_slot() to return the head slot value. Removed the sq_head_slot member variable.
- Addressed Seo's coment. Stop the SQ before the ufshcd_mcq_sqe_search() and restart the SQ after the search is done.
patch #4 and #5: new patches for error handling.
Error handling support will go together with ufshcd_abort() support.
---
v1->v2:
patch #1
- Removed ufshcd_mcq_cqe_search()
- Removed mcq_poll_ms from the hba. Replaced with MCQ_POLL_MS
patch #2
- Changed the type of mask argument from u32 to unsigned long in function ufshcd_clear_cmds()
patch #3
- Removed the ufshcd_mcq_cqe_search error case
---
drivers/ufs/core/ufs-mcq.c | 257 ++++++++++++++++++++++++++++++++++++++++-
drivers/ufs/core/ufshcd-priv.h | 15 ++-
drivers/ufs/core/ufshcd.c | 139 ++++++++++++++++++----
drivers/ufs/host/ufs-qcom.c | 2 +-
include/ufs/ufshcd.h | 2 +-
include/ufs/ufshci.h | 17 +++
6 files changed, 404 insertions(+), 28 deletions(-)
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2.7.4
