On 2020/7/3 12:14, Herbert Xu Wrote: > On Fri, Jun 26, 2020 at 06:32:06PM +0800, Longfang Liu wrote: >> From: Kai Ye <yekai13@xxxxxxxxxx> >> >> As before, if a SEC queue is at the 'fake busy' status, >> the request with a 'fake busy' flag will be sent into hardware >> and the sending function returns busy. After the request is >> finished, SEC driver's call back will identify the 'fake busy' flag, >> and notifies the user that hardware is not busy now by calling >> user's call back function. >> >> Now, a request sent into busy hardware will be cached in the >> SEC queue's backlog, return '-EBUSY' to user. >> After the request being finished, the cached requests will >> be processed in the call back function. to notify the >> corresponding user that SEC queue can process more requests. >> >> Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx> >> Reviewed-by: Longfang Liu <liulongfang@xxxxxxxxxx> > Why does this driver not take MAY_BACKLOG into account? > > Cheers, OK, I will apply MAY_BACKLOG in the next version soon. thanks, Longfang .