A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Viresh Kumar bbaca71151 greybus: svc: Allow consecutive hotplug events for the same module 
There are two cases where the AP may receive hotplug event for an
existing interface, without first getting a hot-unplug request for it.

- bootrom loading the firmware image and booting into that, which
  only generates a hotplug event. i.e. no hot-unplug event, as the
  module never went away.
- Or the firmware on the module crashed and sent hotplug request again
  to the SVC, which got propagated to AP.

Handle such cases by first removing the interface, with a clear print
message shown to the user. And then following the normal hotplug
sequence to add the interface.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2015-09-24 15:16:54 -07:00
drivers/staging/greybus greybus: svc: Allow consecutive hotplug events for the same module 2015-09-24 15:16:54 -07:00