Add support for the GLINK rpmsg transport to register a rpmsg chrdev. This will create the rpmsg_ctrl nodes for userspace clients to open rpmsg epts. The rpmsg chrdev allocation is done by allocating a local channel which also allocates an ept. We need to add some guards against edge cases for this chrdev because it will never fully open. Changes since v4: - Resending by removing approved patches Changes since v3: - Change to device_add_group for rpmsg name attr - Add patch to unregister the rpmsg device - Add patch to support compat ioctl for rpmsg char driver Changes since v2: - Revert change to make glink attribute table const Changes since v1: - Add explanation to dt-bindings commit message - Add patch complete_all the open_req/ack variables - Add patch to prevent null pointer dereference in chrdev channel release - Change chrdev allocation to use glink channel allocation - Change glink attr struct to const Arun Kumar Neelakantam (1): rpmsg: glink: unregister rpmsg device during endpoint destroy Chris Lew (4): rpmsg: glink: Use complete_all for open states rpmsg: Guard against null endpoint ops in destroy rpmsg: glink: Add support for rpmsg glink chrdev rpmsg: glink: Expose rpmsg name attr for glink drivers/rpmsg/qcom_glink_native.c | 79 +++++++++++++++++++++++++++++++++++++-- drivers/rpmsg/rpmsg_core.c | 2 +- 2 files changed, 77 insertions(+), 4 deletions(-) -- 1.9.1
