diff options
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-isl1208.c | 46 |
1 files changed, 30 insertions, 16 deletions
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c index d426eac965e9..f4eb3e11de28 100644 --- a/drivers/rtc/rtc-isl1208.c +++ b/drivers/rtc/rtc-isl1208.c @@ -15,6 +15,7 @@ #include <linux/bcd.h> #include <linux/rtc.h> #include "rtc-core.h" +#include <linux/of_irq.h> /* Register map */ /* rtc section */ @@ -725,11 +726,30 @@ static const struct attribute_group isl1219_rtc_sysfs_files = { .attrs = isl1219_rtc_attrs, }; +static int isl1208_setup_irq(struct i2c_client *client, int irq) +{ + int rc = devm_request_threaded_irq(&client->dev, irq, NULL, + isl1208_rtc_interrupt, + IRQF_SHARED | IRQF_ONESHOT, + isl1208_driver.driver.name, + client); + if (!rc) { + device_init_wakeup(&client->dev, 1); + enable_irq_wake(irq); + } else { + dev_err(&client->dev, + "Unable to request irq %d, no alarm support\n", + irq); + } + return rc; +} + static int isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id) { int rc = 0; struct rtc_device *rtc; + int evdet_irq = -1; if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) return -ENODEV; @@ -766,28 +786,22 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id) rc = rtc_add_group(rtc, &isl1219_rtc_sysfs_files); if (rc) return rc; + evdet_irq = of_irq_get_byname(client->dev.of_node, "evdet"); } rc = sysfs_create_group(&client->dev.kobj, &isl1208_rtc_sysfs_files); if (rc) return rc; - if (client->irq > 0) { - rc = devm_request_threaded_irq(&client->dev, client->irq, NULL, - isl1208_rtc_interrupt, - IRQF_SHARED | IRQF_ONESHOT, - isl1208_driver.driver.name, - client); - if (!rc) { - device_init_wakeup(&client->dev, 1); - enable_irq_wake(client->irq); - } else { - dev_err(&client->dev, - "Unable to request irq %d, no alarm support\n", - client->irq); - client->irq = 0; - } - } + if (client->irq > 0) + rc = isl1208_setup_irq(client, client->irq); + if (rc) + return rc; + + if (evdet_irq > 0 && evdet_irq != client->irq) + rc = isl1208_setup_irq(client, evdet_irq); + if (rc) + return rc; return rtc_register_device(rtc); } |