The OPP tables are present as separate nodes, whose phandle is used in
the "operating-points-v2" property of devices. Currently the OF core
creates a platform device for the OPP table unconditionally, which is
not used by any kernel code.
Skip creating OPP table platform devices.
Reported-by: Stephen Boyd <sboyd@xxxxxxxxxx>
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
drivers/of/platform.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index c00d81dfac0b..aaae5d90433d 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -356,6 +356,12 @@ static int of_platform_bus_create(struct device_node *bus,
return 0;
}
+ /* OPP tables have separate nodes, but we don't want devices for them */
+ if (unlikely(of_device_is_compatible(bus, "operating-points-v2"))) {
+ pr_debug("%s() - skipping OPP node %pOF\n", __func__, bus);
+ return 0;
+ }
+
if (of_node_check_flag(bus, OF_POPULATED_BUS)) {
pr_debug("%s() - skipping %pOF, already populated\n",
__func__, bus);
--
2.15.0.194.g9af6a3dea062
--
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