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 <gws...@linux.vnet.ibm.com>
---
arch/powerpc/platforms/powernv/pci-ioda.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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 @@ static void __init pnv_pci_init_ioda_phb(struct
device_node *np,
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;
}
--
1.8.3.2
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