On Fri, 10 Apr 2020, James Hilliard <james.hilliard1@xxxxxxxxx> wrote:
> If a component fails to bind due to -EPROBE_DEFER we should not log an
> error as this is not a real failure.
>
> Fixes:
> vc4-drm soc:gpu: failed to bind 3f902000.hdmi (ops vc4_hdmi_ops): -517
> vc4-drm soc:gpu: master bind failed: -517
I'd think the probe defer is useful information anyway. Maybe just tone
down the severity and/or the message?
BR,
Jani.
>
> Signed-off-by: James Hilliard <james.hilliard1@xxxxxxxxx>
> ---
> drivers/base/component.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/base/component.c b/drivers/base/component.c
> index e97704104784..157c6c790578 100644
> --- a/drivers/base/component.c
> +++ b/drivers/base/component.c
> @@ -256,7 +256,8 @@ static int try_to_bring_up_master(struct master *master,
> ret = master->ops->bind(master->dev);
> if (ret < 0) {
> devres_release_group(master->dev, NULL);
> - dev_info(master->dev, "master bind failed: %d\n", ret);
> + if (ret != -EPROBE_DEFER)
> + dev_info(master->dev, "master bind failed: %d\n", ret);
> return ret;
> }
>
> @@ -611,8 +612,10 @@ static int component_bind(struct component *component, struct master *master,
> devres_release_group(component->dev, NULL);
> devres_release_group(master->dev, NULL);
>
> - dev_err(master->dev, "failed to bind %s (ops %ps): %d\n",
> - dev_name(component->dev), component->ops, ret);
> + if (ret != -EPROBE_DEFER) {
> + dev_err(master->dev, "failed to bind %s (ops %ps): %d\n",
> + dev_name(component->dev), component->ops, ret);
> + }
> }
>
> return ret;
--
Jani Nikula, Intel Open Source Graphics Center
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