From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anton Vorontsov Subject: Re: [PATCH 1/3] power_supply: add power_supply_get_by_phandle Date: Mon, 23 Dec 2013 18:20:36 -0800 Message-ID: <20131224022035.GA25939@lizard> References: <1385311771-447-1-git-send-email-sre@debian.org> <1385311771-447-2-git-send-email-sre@debian.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Content-Disposition: inline In-Reply-To: <1385311771-447-2-git-send-email-sre-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sebastian Reichel Cc: Sebastian Reichel , David Woodhouse , Rob Herring , Pawel Moll , Mark Rutland , Stephen Warren , Ian Campbell , Rob Landley , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Pali =?utf-8?B?Um9ow6Fy?= , freemangordon-uiMcrn6V0Vs@public.gmane.org, aaro.koskinen-X3B1VOXEql0@public.gmane.org, pavel-+ZI9xUNit7I@public.gmane.org List-Id: devicetree@vger.kernel.org On Sun, Nov 24, 2013 at 05:49:29PM +0100, Sebastian Reichel wrote: > Add method to get power supply by device tree phandle. > > Signed-off-by: Sebastian Reichel > --- > drivers/power/power_supply_core.c | 24 ++++++++++++++++++++++++ > include/linux/power_supply.h | 2 ++ > 2 files changed, 26 insertions(+) > > diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c > index 08bce22..99e4b41 100644 > --- a/drivers/power/power_supply_core.c > +++ b/drivers/power/power_supply_core.c > @@ -340,6 +340,30 @@ struct power_supply *power_supply_get_by_name(const char *name) ... > + > + dev = class_find_device(power_supply_class, NULL, power_supply_np, > + power_supply_match_device_node); > + > + of_node_put(power_supply_np); > + > + return dev ? dev_get_drvdata(dev) : NULL; > +} > +EXPORT_SYMBOL_GPL(power_supply_get_by_phandle); The code had no !CONFIG_OF protection so I had to make the following changes to this patch: diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 23cd055..2660664 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -341,6 +341,7 @@ struct power_supply *power_supply_get_by_name(const char *name) } EXPORT_SYMBOL_GPL(power_supply_get_by_name); +#ifdef CONFIG_OF static int power_supply_match_device_node(struct device *dev, const void *data) { return dev->parent && dev->parent->of_node == data; @@ -364,6 +365,7 @@ struct power_supply *power_supply_get_by_phandle(struct device_node *np, return dev ? dev_get_drvdata(dev) : NULL; } EXPORT_SYMBOL_GPL(power_supply_get_by_phandle); +#endif /* CONFIG_OF */ int power_supply_powers(struct power_supply *psy, struct device *dev) { diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 8d06537..c9dc4e0 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -244,8 +244,14 @@ extern struct atomic_notifier_head power_supply_notifier; extern int power_supply_reg_notifier(struct notifier_block *nb); extern void power_supply_unreg_notifier(struct notifier_block *nb); extern struct power_supply *power_supply_get_by_name(const char *name); +#ifdef CONFIG_OF extern struct power_supply *power_supply_get_by_phandle(struct device_node *np, const char *property); +#else /* !CONFIG_OF */ +static inline struct power_supply * +power_supply_get_by_phandle(struct device_node *np, const char *property) +{ return NULL; } +#endif /* CONFIG_OF */ extern void power_supply_changed(struct power_supply *psy); extern int power_supply_am_i_supplied(struct power_supply *psy); extern int power_supply_set_battery_charged(struct power_supply *psy); -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html