[Skiboot] [PATCH] npu2: Disable fast reboot
Reza Arbab
arbab at linux.vnet.ibm.com
Tue Mar 13 06:28:19 AEDT 2018
Fast reboot does not yet work right with the NPU. It's been disabled on
NVLink and OpenCAPI machines. Do the same for NVLink2.
This amounts to a port of 3e4577939bbf ("npu: Fix broken fast reset")
from the npu code to npu2.
Cc: stable # 5.10.x
Signed-off-by: Reza Arbab <arbab at linux.vnet.ibm.com>
---
hw/npu2.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hw/npu2.c b/hw/npu2.c
index 5ffe18d..6f572c5 100644
--- a/hw/npu2.c
+++ b/hw/npu2.c
@@ -1393,6 +1393,9 @@ static void npu2_probe_phb(struct dt_node *dn)
dt_add_property_cells(np, "ibm,links", links);
dt_add_property(np, "ibm,mmio-window", mm_win, sizeof(mm_win));
dt_add_property_cells(np, "ibm,phb-diag-data-size", 0);
+
+ /* Disable fast reboot - not currently supported */
+ disable_fast_reboot("NVLink device enabled");
}
static uint32_t npu2_populate_pcie_cap(struct npu2_dev *dev,
--
1.8.3.1
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