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Fix checkpatch.pl issue of the form:
"CHECK: Please don't use multiple blank lines".
Signed-off-by: Nathan Howard <adanhawthorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove the now obsolete and redundant cport-reset ARPC, along with the
consequently unused cport_disable callback.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Implement the shutdown callback which is used to execute shutdown
operations on offloaded connections.
This adds a new shutdown ARPC.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Implement the flush callback which is called as part of connection tear
down to flush host-device queues and stop any ongoing transfers.
Note that this should be considered an optimisation of sort since if
the CPort is stuck waiting for credit, the CPort is likely still stuck
when we try to send the cport_shutdown request over it after the
callback returns.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Add a host-device cport_clear callback, which will be called as part
of the new connection tear-down sequence to reset the CPort state.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Sandeep Patil <sspatil@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Add a host-device cport_quiesce callback, which will be called as part
of the new connection tear-down sequence to disable flow control after
first making sure that enough peer buffer space is available for the
next messages about to be sent.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Sandeep Patil <sspatil@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Add a host-device cport_connected callback, which will be called after a
connection has been created and that can be used by the host-device
driver to make sure its internal state is updated to match the CPort
attributes set by the SVC.
This callback will eventually replace the cport_features_enable
callback.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Sandeep Patil <sspatil@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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I got them wrong, Johan was right, my fault.
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Move the ARPC definitions to their own header.
ARPC is not part of greybus, but is rather an implementation-specific
means of communicating with a certain class of host-device hardware.
Note that the same is true for the APBA USB vendor requests, but we keep
them in the greybus header for the time being.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Nathan Howard
Johan Hovold
Greg Kroah-Hartman