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[2/4] npu3: Add ibm, ioda2-npu3-phb to compatible property

Message ID 1571779344-28464-3-git-send-email-arbab@linux.ibm.com
State Accepted
Headers show
Series npu3: Bringup errata | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success Successfully applied on branch master (d75e82dbfbb9443efeb3f9a5921ac23605aab469)
snowpatch_ozlabs/snowpatch_job_snowpatch-skiboot success Test snowpatch/job/snowpatch-skiboot on branch master
snowpatch_ozlabs/snowpatch_job_snowpatch-skiboot-dco success Signed-off-by present

Commit Message

Reza Arbab Oct. 22, 2019, 9:22 p.m. UTC 
Though they are currently identical to the OS, it may become necessary
to distinguish npu3 phbs from npu2 ones at some point. Add a unique
string to the compatible property.

Signed-off-by: Reza Arbab <arbab@linux.ibm.com>
---
 hw/npu3-nvlink.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/hw/npu3-nvlink.c b/hw/npu3-nvlink.c
index 6969b89b2488..0a185a1780be 100644
--- a/hw/npu3-nvlink.c
+++ b/hw/npu3-nvlink.c
@@ -1464,10 +1464,15 @@  static void npu3_dt_add_props(struct npu3 *npu)
 	dt_add_property_cells(dn, "clock-frequency", 0x200, 0);
 
 	dt_add_property_strings(dn, "device_type", "pciex");
-	/* To the OS, npu2 and npu3 are both ibm,ioda2-npu2-phb */
+
+	/*
+	 * To the OS, npu2 and npu3 are both ibm,ioda2-npu2-phb. The added
+	 * ibm,ioda3-npu3-phb allows for possible quirks.
+	 */
 	dt_add_property_strings(dn, "compatible",
 				"ibm,power9-npu-pciex",
-				"ibm,ioda2-npu2-phb");
+				"ibm,ioda2-npu2-phb",
+				"ibm,ioda2-npu3-phb");
 
 	dt_add_property_cells(dn, "ibm,phb-index",
 			      dt_prop_get_u32(npu->dt_node, "ibm,phb-index"));