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rpmsg: virtio: Register the rpmsg_char device
Instantiate the rpmsg_char device on virtio RPMsg bus creation. This provides the capability, with the RPMSG_CREATE_EPT_IOCTL ioctl, to create RPMsg char device endpoints relying on the rpmsg_chrdev_create_eptdev API. Notice that the created endpoints are attached to the rpmsg_ctldev device, but not associated to a channel. As consequence, the endpoint source and destination addresses have to been specified and there is no channel creation and no name service announcement to inform the remote side. Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> Link: https://lore.kernel.org/r/20210311140413.31725-6-arnaud.pouliquen@foss.st.com Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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