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powerpc/eeh: Tag reset state for user owned PE 

PE would be owned by userland, which probably request PE reset
done in host side. During the reset, we should drop the PCI
config accesses to the PE with help of flag EEH_PE_RESET.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Gavin Shan 2014-09-30 12:39:06 +10:00 committed by Michael Ellerman
parent d1a85eee35
commit 93e8b36d7b
1 changed files with 2 additions and 0 deletions
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2
arch/powerpc/kernel/eeh.c
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@ -1463,6 +1463,7 @@ int eeh_pe_reset(struct eeh_pe *pe, int option)
switch (option) {
case EEH_RESET_DEACTIVATE:
ret = eeh_ops->reset(pe, option);
eeh_pe_state_clear(pe, EEH_PE_RESET);
if (ret)
break;
@ -1477,6 +1478,7 @@ int eeh_pe_reset(struct eeh_pe *pe, int option)
*/
eeh_ops->set_option(pe, EEH_OPT_FREEZE_PE);
eeh_pe_state_mark(pe, EEH_PE_RESET);
ret = eeh_ops->reset(pe, option);
break;
default: