If CONFIG_PM_OPP=n, of_get_required_opp_performance_state() always
returns -EOPNOTSUPP, and all drivers for devices that are part of a PM
Domain fail to probe with:
failed to set required performance state for power-domain foo: -95
probe of bar failed with error -95
Fix this by treating -EOPNOTSUPP the same as -ENODEV.
Fixes: c016baf7dc58e77a ("PM: domains: Add support for 'required-opps' to set default perf state")
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
drivers/base/power/domain.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index a10d740c4f2a1c28..7b197690e6442911 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -2760,7 +2760,7 @@ static int __genpd_dev_pm_attach(struct device *dev, struct device *base_dev,
/* Set the default performance state */
pstate = of_get_required_opp_performance_state(dev->of_node, index);
- if (pstate < 0 && pstate != -ENODEV) {
+ if (pstate < 0 && pstate != -ENODEV && pstate != -EOPNOTSUPP) {
ret = pstate;
goto err;
} else if (pstate > 0) {
--
2.25.1
