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    Subject[PATCH 5.6 059/166] power: supply: bq27xxx_battery: Silence deferred-probe error
    Date
    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 195c18c2f426e..664e50103eaaf 100644
    --- a/drivers/power/supply/bq27xxx_battery.c
    +++ b/drivers/power/supply/bq27xxx_battery.c
    @@ -1885,7 +1885,10 @@ 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);
    }

    --
    2.20.1


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