Re: [PATCH v4] power: bq24735-charger: Request status GPIO with initial input setup

From: Paul Kocialkowski
Date: Mon Sep 05 2016 - 08:23:16 EST


Hi,

Le lundi 05 septembre 2016 Ã 13:08 +0200, Sebastian Reichel a ÃcritÂ:
> Hi Paul,
>
> On Sat, Sep 03, 2016 at 12:09:53AM +0200, Paul Kocialkowski wrote:
> >
> > This requests the status GPIO with initial input setup. it is required
> > to read the GPIO status at probe time and thus correctly avoid sending
> > i2c messages when AC is not plugged.
> >
> > When requesting the GPIO without initial input setup, it always reads 0
> > which causes probe to fail as it assumes the charger is connected, sends
> > i2c messages and fails.
> >
> > While at it, this switches the driver over to gpio consumer.
> >
> > Signed-off-by: Paul Kocialkowski <contact@xxxxxxxx>
> > ---
> > Âdrivers/power/supply/bq24735-charger.c | 44 +++++++++++++----------------
> > -----
> > Âinclude/linux/power/bq24735-charger.hÂÂ|ÂÂ4 ----
> > Â2 files changed, 16 insertions(+), 32 deletions(-)
> >
> > diff --git a/drivers/power/supply/bq24735-charger.c
> > b/drivers/power/supply/bq24735-charger.c
>
> [...]
>
> >
> > - if (IS_ENABLED(CONFIG_OF) && !charger->pdata && client-
> > >dev.of_node)
> > + if (IS_ENABLED(CONFIG_OF) && !charger->pdata && client-
> > >dev.of_node) {
> > Â charger->pdata = bq24735_parse_dt_data(client);
> > + if (IS_ERR(charger->pdata))
> > + return PTR_ERR(charger->pdata);
> > + }
>
> I queued your patch into power-supply's for-next branch, but dropped
> this change, which is from an earlier revision of this patch and no
> longer needed. Thanks for your patch.

Damn, I forgot to clean that up. Good spotting, thanks!

--
Paul Kocialkowski, developer of low-level free software for embedded devices

Website: https://www.paulk.fr/
Coding blog: https://code.paulk.fr/
Git repositories: https://git.paulk.fr/ https://git.code.paulk.fr/

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