[Skiboot] [PATCH 1/3] hw/npu: Get number of links from NPU node property
Gavin Shan
gwshan at linux.vnet.ibm.com
Wed Jul 6 13:20:01 AEST 2016
The NPU device node property "ibm,npu-links" indicates number of
NPU links supported. This retrieves the number of links from the
properties instead of counting its child device nodes.
Signed-off-by: Gavin Shan <gwshan at linux.vnet.ibm.com>
---
hw/npu.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/hw/npu.c b/hw/npu.c
index 8eb8ab2..c1b1975 100644
--- a/hw/npu.c
+++ b/hw/npu.c
@@ -1089,7 +1089,7 @@ static void npu_probe_phb(struct dt_node *dn)
struct dt_node *np;
uint32_t gcid, index, phb_index, xscom;
uint64_t at_bar[2], mm_win[2], val;
- uint32_t links = 0;
+ uint32_t links;
char *path;
/* Retrieve chip id */
@@ -1097,9 +1097,7 @@ static void npu_probe_phb(struct dt_node *dn)
gcid = dt_get_chip_id(dn);
index = dt_prop_get_u32(dn, "ibm,npu-index");
phb_index = dt_prop_get_u32(dn, "ibm,phb-index");
- dt_for_each_compatible(dn, np, "ibm,npu-link")
- links++;
-
+ links = dt_prop_get_u32(dn, "ibm,npu-links");
prlog(PR_INFO, "Chip %d Found NPU%d (%d links) at %s\n",
gcid, index, links, path);
free(path);
--
2.1.0
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