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    Subject[PATCH 5.4 035/177] usb: common: usb-conn-gpio: Dont log an error on probe deferral
    Date
    From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>

    commit 59120962e4be4f72be537adb17da6881c4b3797c upstream.

    This patch makes the printout of the error message for failing to get a
    VBUS regulator handle conditional on the error code being something other
    than -EPROBE_DEFER.

    Deferral is a normal thing, we don't need an error message for this.

    Cc: Chunfeng Yun <chunfeng.yun@mediatek.com>
    Cc: Nagarjuna Kristam <nkristam@nvidia.com>
    Cc: Linus Walleij <linus.walleij@linaro.org>
    Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Cc: linux-usb@vger.kernel.org
    Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
    Cc: stable <stable@vger.kernel.org>
    Link: https://lore.kernel.org/r/20191128134358.3880498-2-bryan.odonoghue@linaro.org
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/usb/common/usb-conn-gpio.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    --- a/drivers/usb/common/usb-conn-gpio.c
    +++ b/drivers/usb/common/usb-conn-gpio.c
    @@ -156,7 +156,8 @@ static int usb_conn_probe(struct platfor

    info->vbus = devm_regulator_get(dev, "vbus");
    if (IS_ERR(info->vbus)) {
    - dev_err(dev, "failed to get vbus\n");
    + if (PTR_ERR(info->vbus) != -EPROBE_DEFER)
    + dev_err(dev, "failed to get vbus\n");
    return PTR_ERR(info->vbus);
    }


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