Hi Russell, Vaibhav Jain <vaib...@linux.vnet.ibm.com> writes:
> This patch introduces function eeh_pe_reset_freeze_counter() which can > be used to reset the PE's freeze count variable outside eeh code. This > is useful for devices that can acquire a different personality after > a PERST event (e.g FPGA Adapters). Presently an existing freeze > count for an adapter with personality N will be taken into account > when the adapter acquired personality N+1. > > By calling eeh_pe_reset_freeze_counter() drivers can reset the freeze > counter for an adapter once it has acquired a new personality and > ideally wont be plagued by the failures similar to the one before. > > Signed-off-by: Vaibhav Jain <vaib...@linux.vnet.ibm.com> > --- Had a short chat discussion with Gavin Shan on this patchset and he preffers restoring the freeze_count on the eeh_pe once FRESET is done. He expects a the flow to be similar to one below 1. module caches the value of freeze_count and resets it 2. Issue warm reset 3. During eeh error-detected callback module restores the freeze_count from the cached value. Russell, what do you think? -- Vaibhav Jain <vaib...@linux.vnet.ibm.com> Linux Technology Center, IBM India Pvt. Ltd.
