On 4/1/21 5:13 PM, Tyrel Datwyler wrote: > Currently, neither the vio_bus or vio_driver structures provide support > for a shutdown() routine. > > Add support for shutdown() by allowing drivers to provide a > implementation via function pointer in their vio_driver struct and > provide a proper implementation in the driver template for the vio_bus > that calls a vio drivers shutdown() if defined. > > In the case that no shutdown() is defined by a vio driver and a kexec is > in progress we implement a big hammer that calls remove() to ensure no > further DMA for the devices is possible. > > Signed-off-by: Tyrel Datwyler <tyr...@linux.ibm.com> > ---
Ping... any comments, problems with this approach? -Tyrel