On Thu, 22 Oct 2020 20:06:37 -0700 Hemant Kumar wrote: > > @@ -1173,6 +1173,17 @@ int mhi_queue_buf(struct mhi_device *mhi_dev, enum > > dma_data_direction dir, > > } > > EXPORT_SYMBOL_GPL(mhi_queue_buf); > > > > +bool mhi_queue_is_full(struct mhi_device *mhi_dev, enum dma_data_direction > > dir) > > +{ > > + struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl; > > + struct mhi_chan *mhi_chan = (dir == DMA_TO_DEVICE) ? > > + mhi_dev->ul_chan : mhi_dev->dl_chan; > > + struct mhi_ring *tre_ring = &mhi_chan->tre_ring; > > + > > + return mhi_is_ring_full(mhi_cntrl, tre_ring); > > +} > > +EXPORT_SYMBOL_GPL(mhi_queue_is_full); > > > i was wondering if you can make use of mhi_get_free_desc() API (pushed > as part of MHI UCI - User Control Interface driver) here?
Let me ask you one more time. Where is this MHI UCI code you're talking about? linux$ git remote show linux * remote linux Fetch URL: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git Push URL: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git HEAD branch: master Remote branch: master tracked linux$ git fetch linux linux$ git checkout linux/master HEAD is now at f9893351acae Merge tag 'kconfig-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild linux$ git grep mhi_get_free_desc linux$