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power supply : use class iteration api

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Convert to use the class iteration api.

Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dave Young
2008-01-22 13:58:22 +08:00
committed by Greg Kroah-Hartman
parent 73cf60232e
commit 443cad920a
2 changed files with 108 additions and 84 deletions
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72
drivers/power/power_supply_core.c
View File

@@ -20,28 +20,29 @@
struct class *power_supply_class;
static int __power_supply_changed_work(struct device *dev, void *data)
{
struct power_supply *psy = (struct power_supply *)data;
struct power_supply *pst = dev_get_drvdata(dev);
int i;
for (i = 0; i < psy->num_supplicants; i++)
if (!strcmp(psy->supplied_to[i], pst->name)) {
if (pst->external_power_changed)
pst->external_power_changed(pst);
}
return 0;
}
static void power_supply_changed_work(struct work_struct *work)
{
struct power_supply *psy = container_of(work, struct power_supply,
changed_work);
int i;
dev_dbg(psy->dev, "%s\n", __FUNCTION__);
for (i = 0; i < psy->num_supplicants; i++) {
struct device *dev;
down(&power_supply_class->sem);
list_for_each_entry(dev, &power_supply_class->devices, node) {
struct power_supply *pst = dev_get_drvdata(dev);
if (!strcmp(psy->supplied_to[i], pst->name)) {
if (pst->external_power_changed)
pst->external_power_changed(pst);
}
}
up(&power_supply_class->sem);
}
class_for_each_device(power_supply_class, psy,
__power_supply_changed_work);
power_supply_update_leds(psy);
@@ -55,32 +56,35 @@ void power_supply_changed(struct power_supply *psy)
schedule_work(&psy->changed_work);
}
int power_supply_am_i_supplied(struct power_supply *psy)
static int __power_supply_am_i_supplied(struct device *dev, void *data)
{
union power_supply_propval ret = {0,};
struct device *dev;
struct power_supply *psy = (struct power_supply *)data;
struct power_supply *epsy = dev_get_drvdata(dev);
int i;
down(&power_supply_class->sem);
list_for_each_entry(dev, &power_supply_class->devices, node) {
struct power_supply *epsy = dev_get_drvdata(dev);
int i;
for (i = 0; i < epsy->num_supplicants; i++) {
if (!strcmp(epsy->supplied_to[i], psy->name)) {
if (epsy->get_property(epsy,
POWER_SUPPLY_PROP_ONLINE, &ret))
continue;
if (ret.intval)
goto out;
}
for (i = 0; i < epsy->num_supplicants; i++) {
if (!strcmp(epsy->supplied_to[i], psy->name)) {
if (epsy->get_property(epsy,
POWER_SUPPLY_PROP_ONLINE, &ret))
continue;
if (ret.intval)
return ret.intval;
}
}
out:
up(&power_supply_class->sem);
return 0;
}
dev_dbg(psy->dev, "%s %d\n", __FUNCTION__, ret.intval);
int power_supply_am_i_supplied(struct power_supply *psy)
{
int error;
return ret.intval;
error = class_for_each_device(power_supply_class, psy,
__power_supply_am_i_supplied);
dev_dbg(psy->dev, "%s %d\n", __FUNCTION__, error);
return error;
}
int power_supply_register(struct device *parent, struct power_supply *psy)