| Message ID | 1510584358-29473-11-git-send-email-gilad@benyossef.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Delegated to: | Herbert Xu |
| Headers | show |
diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c index 65c4d9f..1d9c038 100644 --- a/drivers/staging/ccree/ssi_request_mgr.c +++ b/drivers/staging/ccree/ssi_request_mgr.c @@ -43,6 +43,9 @@ struct ssi_request_mgr_handle { u32 req_queue_tail; u32 axi_completed; u32 q_free_slots; + /* This lock protects access to HW register + * that must be single request at a time + */ spinlock_t hw_lock; struct cc_hw_desc compl_desc; u8 *dummy_comp_buff;
Document spinlock usage to protect against concurrent access to HW register which must occur a single request at a time. Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> --- drivers/staging/ccree/ssi_request_mgr.c | 3 +++ 1 file changed, 3 insertions(+)