@@ -46,6 +46,8 @@ struct tps65217_charger {
int prev_ac_online;
struct task_struct *poll_task;
+
+ int irq;
};
static enum power_supply_property tps65217_ac_props[] = {
@@ -198,6 +200,7 @@ static int tps65217_charger_probe(struct platform_device *pdev)
struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);
struct tps65217_charger *charger;
struct power_supply_config cfg = {};
+ int irq;
int ret;
dev_dbg(&pdev->dev, "%s\n", __func__);
@@ -220,18 +223,40 @@ static int tps65217_charger_probe(struct platform_device *pdev)
return PTR_ERR(charger->ac);
}
+ irq = platform_get_irq_byname(pdev, "AC");
+ if (irq < 0)
+ irq = -ENXIO;
+ charger->irq = irq;
+
ret = tps65217_config_charger(charger);
if (ret < 0) {
dev_err(charger->dev, "charger config failed, err %d\n", ret);
return ret;
}
- charger->poll_task = kthread_run(tps65217_charger_poll_task,
- charger, "ktps65217charger");
- if (IS_ERR(charger->poll_task)) {
- ret = PTR_ERR(charger->poll_task);
- dev_err(charger->dev, "Unable to run kthread err %d\n", ret);
- return ret;
+ if (irq != -ENXIO) {
+ ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+ tps65217_charger_irq,
+ 0, "tps65217-charger",
+ charger);
+ if (ret) {
+ dev_err(charger->dev,
+ "Unable to register irq %d err %d\n", irq,
+ ret);
+ return ret;
+ }
+
+ /* Check current state */
+ tps65217_charger_irq(irq, charger);
+ } else {
+ charger->poll_task = kthread_run(tps65217_charger_poll_task,
+ charger, "ktps65217charger");
+ if (IS_ERR(charger->poll_task)) {
+ ret = PTR_ERR(charger->poll_task);
+ dev_err(charger->dev,
+ "Unable to run kthread err %d\n", ret);
+ return ret;
+ }
}
return 0;
@@ -241,7 +266,8 @@ static int tps65217_charger_remove(struct platform_device *pdev)
{
struct tps65217_charger *charger = platform_get_drvdata(pdev);
- kthread_stop(charger->poll_task);
+ if (charger->irq == -ENXIO)
+ kthread_stop(charger->poll_task);
return 0;
}
Make use of IRQ resources defined in tps65217 mfd code. If they are valid we use them instead separate poll task, in order to define AC power state. Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com> --- depends on patch 1 and 2 in series drivers/power/tps65217_charger.c | 40 +++++++++++++++++++++++++++++++++------- 1 file changed, 33 insertions(+), 7 deletions(-)