Hi again, > From: Yoshihiro Shimoda, Sent: Friday, May 22, 2020 8:59 PM > In such the case (ravb_stop_dma() returns without any message), > I think my scenario is still alive without any these functions calling > because ravb_rcv_snd_disable() is not called. > > I'll check the TCCR and CSR registers in next week. I investigated these registers' feature and it is possible to return as my expectation. So, I have submitted a patch as RFC like below. https://patchwork.kernel.org/patch/11570217/ If you have any feedback about the patch, please let me know on the email. Best regards, Yoshihiro Shimoda
