tree 9875fe39fdbebb01dd5649cf2dbfee809ccead83
parent c0abe2ca3605e4c4fb25bf69d0218c63baf71d2b
author Bjorn Andersson <bjorn.andersson@linaro.org> 1585027742 -0700
committer Bjorn Andersson <bjorn.andersson@linaro.org> 1585200585 -0700

remoteproc: Introduce "panic" callback in ops

Introduce generic support for handling kernel panics in remoteproc
drivers, in order to allow operations needed for aiding in post mortem
system debugging, such as flushing caches etc.

The function can return a number of milliseconds needed by the remote to
"settle" and the core will wait the longest returned duration before
returning from the panic handler.

Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200324052904.738594-3-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>