powerpc/powernv: Fix condition to remove M64
The M64 resource should be removed if we don't have hook to
initialize it, or (not and) fail to do that.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 7ab1dd7..7aa0404 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2000,8 +2000,8 @@
ioda_eeh_phb_reset(hose, OPAL_DEASSERT_RESET);
}
- /* Configure M64 window */
- if (phb->init_m64 && phb->init_m64(phb))
+ /* Remove M64 resource if we can't configure it successfully */
+ if (!phb->init_m64 || phb->init_m64(phb))
hose->mem_resources[1].flags = 0;
}