Messages in this thread | | | Subject | Re: [PATCH] powerpc/pseries: Add shutdown() to vio_driver and vio_bus | From | Tyrel Datwyler <> | Date | Fri, 16 Apr 2021 11:46:50 -0700 |
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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 <tyreld@linux.ibm.com> > ---
Ping... any comments, problems with this approach?
-Tyrel
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