More than that I wonder if the flow control could also be used to solve the RPmsg protocol issue related to the channel announcement [1][2] [1] https://github.com/OpenAMP/open-amp/pull/160 [2] https://lore.kernel.org/lkml/20220316153001.662422-1-arnaud.pouliquen@xxxxxxxxxxx/ Thanks, Arnaud > > Deepak Kumar Singh (3): > rpmsg: core: Add signal API support > rpmsg: glink: Add support to handle signals command > rpmsg: char: Add TIOCMGET/TIOCMSET ioctl support > > drivers/rpmsg/qcom_glink_native.c | 77 +++++++++++++++++++++++++++++++++++++++ > drivers/rpmsg/rpmsg_char.c | 47 ++++++++++++++++++++++-- > drivers/rpmsg/rpmsg_core.c | 21 +++++++++++ > drivers/rpmsg/rpmsg_internal.h | 2 + > include/linux/rpmsg.h | 14 +++++++ > 5 files changed, 157 insertions(+), 4 deletions(-) >
