static int ux500_pd_bus_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
struct ux500_regulator *regulator = NULL;
struct ux500_pins *pins = NULL;
struct device *dev = data;
const char *onoff = NULL;
dev_dbg(dev, "%s() %ld !\n", __func__, action);
switch (action) {
case BUS_NOTIFY_BIND_DRIVER:
pins = ux500_pins_get(dev_name(dev));
if (pins) {
ux500_pins_enable(pins);
ux500_pins_put(pins);
}
regulator = ux500_regulator_get(dev);
if (IS_ERR(regulator))
regulator = NULL;
else {
ux500_regulator_atomic_enable(regulator);
ux500_regulator_put(regulator);
}
onoff = "on";
break;
case BUS_NOTIFY_UNBOUND_DRIVER:
pins = ux500_pins_get(dev_name(dev));
if (pins) {
ux500_pins_disable(pins);
ux500_pins_put(pins);
}
regulator = ux500_regulator_get(dev);
if (IS_ERR(regulator))
regulator = NULL;
else {
ux500_regulator_atomic_disable(regulator);
ux500_regulator_put(regulator);
}
onoff = "off";
break;
}
if (pins || regulator) {
dev_info(dev, "runtime pm disabled, forced %s: %s%s\n",
onoff,
pins ? "pins " : "",
regulator ? "regulator " : "");
}
return 0;
}
static void __devres_release(struct device *dev, void *res)
{
struct pm_runtime_data *prd = res;
dev_dbg(dev, "__devres_release()\n");
if (test_bit(BIT_ENABLED, &prd->flags)) {
if (prd->pins)
ux500_pins_disable(prd->pins);
if (prd->regulator)
ux500_regulator_atomic_disable(prd->regulator);
}
if (test_bit(BIT_ACTIVE, &prd->flags)) {
if (prd->pins)
ux500_pins_put(prd->pins);
if (prd->regulator)
ux500_regulator_put(prd->regulator);
}
}
static void put_gpio(void)
{
ux500_pins_put(usb_gpio_pins);
}
