From: Dmitry Osipenko digetx@gmail.com
[ Upstream commit 583b53ece0b0268c542a1eafadb62e3d4b0aab8c ]
The driver fails to probe with -EPROBE_DEFER if battery's power supply (charger driver) isn't ready yet and this results in a bit noisy error message in KMSG during kernel's boot up. Let's silence the harmless error message.
Signed-off-by: Dmitry Osipenko digetx@gmail.com Reviewed-by: Andrew F. Davis afd@ti.com Reviewed-by: Pali Rohár pali@kernel.org Signed-off-by: Sebastian Reichel sebastian.reichel@collabora.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/power/supply/bq27xxx_battery.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index f022e1b..ff02a91 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -1887,7 +1887,10 @@ int bq27xxx_battery_setup(struct bq27xxx_device_info *di)
di->bat = power_supply_register_no_ws(di->dev, psy_desc, &psy_cfg); if (IS_ERR(di->bat)) { - dev_err(di->dev, "failed to register battery\n"); + if (PTR_ERR(di->bat) == -EPROBE_DEFER) + dev_dbg(di->dev, "failed to register battery, deferring probe\n"); + else + dev_err(di->dev, "failed to register battery\n"); return PTR_ERR(di->bat); }