Pull rpmsg updates from Bjorn Andersson:
"Fix a GLINK endpoint teardown deadlock during driver detach and order
SMEM FIFO reads after the remote-updated availability check.
Prevent duplicate rpmsg character endpoint teardown when remoteproc
shutdown races with RPMSG_DESTROY_EPT_IOCTL.
Replace unsafe string and sysfs formatting helpers, and correct the
unregister_rpmsg_driver() return value documentation"
* tag 'rpmsg-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: glink: smem: order FIFO read after availability check
rpmsg: glink: fix deadlock in endpoint destroy during driver detach
rpmsg: char: Check for ongoing chrdev destroy
rpmsg: glink: Replace strcpy() with strscpy()
rpmsg: core: Fix incorrect return value documentation
rpmsg: Replace sprintf() with sysfs_emit() in sysfs show