diff options
Diffstat (limited to 'drivers/rtc/rtc-ds1307.c')
-rw-r--r-- | drivers/rtc/rtc-ds1307.c | 61 |
1 files changed, 12 insertions, 49 deletions
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index 188006c55ce0..cf685f67b391 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -15,9 +15,6 @@ #include <linux/i2c.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/of_device.h> -#include <linux/of_irq.h> -#include <linux/pm_wakeirq.h> #include <linux/rtc/ds1307.h> #include <linux/rtc.h> #include <linux/slab.h> @@ -117,7 +114,6 @@ struct ds1307 { #define HAS_ALARM 1 /* bit 1 == irq claimed */ struct i2c_client *client; struct rtc_device *rtc; - int wakeirq; s32 (*read_block_data)(const struct i2c_client *client, u8 command, u8 length, u8 *values); s32 (*write_block_data)(const struct i2c_client *client, u8 command, @@ -464,13 +460,8 @@ static int ds1337_read_alarm(struct device *dev, struct rtc_wkalrm *t) return -EIO; } - dev_dbg(dev, "%s: %02x %02x %02x %02x, %02x %02x %02x, %02x %02x\n", - "alarm read", - ds1307->regs[0], ds1307->regs[1], - ds1307->regs[2], ds1307->regs[3], - ds1307->regs[4], ds1307->regs[5], - ds1307->regs[6], ds1307->regs[7], - ds1307->regs[8]); + dev_dbg(dev, "%s: %4ph, %3ph, %2ph\n", "alarm read", + &ds1307->regs[0], &ds1307->regs[4], &ds1307->regs[7]); /* * report alarm time (ALARM1); assume 24 hour and day-of-month modes, @@ -526,12 +517,8 @@ static int ds1337_set_alarm(struct device *dev, struct rtc_wkalrm *t) control = ds1307->regs[7]; status = ds1307->regs[8]; - dev_dbg(dev, "%s: %02x %02x %02x %02x, %02x %02x %02x, %02x %02x\n", - "alarm set (old status)", - ds1307->regs[0], ds1307->regs[1], - ds1307->regs[2], ds1307->regs[3], - ds1307->regs[4], ds1307->regs[5], - ds1307->regs[6], control, status); + dev_dbg(dev, "%s: %4ph, %3ph, %02x %02x\n", "alarm set (old status)", + &ds1307->regs[0], &ds1307->regs[4], control, status); /* set ALARM1, using 24 hour and day-of-month modes */ buf[0] = bin2bcd(t->time.tm_sec); @@ -1138,7 +1125,10 @@ read_rtc: bin2bcd(tmp)); } - device_set_wakeup_capable(&client->dev, want_irq); + if (want_irq) { + device_set_wakeup_capable(&client->dev, true); + set_bit(HAS_ALARM, &ds1307->flags); + } ds1307->rtc = devm_rtc_device_register(&client->dev, client->name, rtc_ops, THIS_MODULE); if (IS_ERR(ds1307->rtc)) { @@ -1146,43 +1136,19 @@ read_rtc: } if (want_irq) { - struct device_node *node = client->dev.of_node; - err = devm_request_threaded_irq(&client->dev, client->irq, NULL, irq_handler, IRQF_SHARED | IRQF_ONESHOT, ds1307->rtc->name, client); if (err) { client->irq = 0; + device_set_wakeup_capable(&client->dev, false); + clear_bit(HAS_ALARM, &ds1307->flags); dev_err(&client->dev, "unable to request IRQ!\n"); - goto no_irq; - } - - set_bit(HAS_ALARM, &ds1307->flags); - dev_dbg(&client->dev, "got IRQ %d\n", client->irq); - - /* Currently supported by OF code only! */ - if (!node) - goto no_irq; - - err = of_irq_get(node, 1); - if (err <= 0) { - if (err == -EPROBE_DEFER) - goto exit; - goto no_irq; - } - ds1307->wakeirq = err; - - err = dev_pm_set_dedicated_wake_irq(&client->dev, - ds1307->wakeirq); - if (err) { - dev_err(&client->dev, "unable to setup wakeIRQ %d!\n", - err); - goto exit; - } + } else + dev_dbg(&client->dev, "got IRQ %d\n", client->irq); } -no_irq: if (chip->nvram_size) { ds1307->nvram = devm_kzalloc(&client->dev, @@ -1226,9 +1192,6 @@ static int ds1307_remove(struct i2c_client *client) { struct ds1307 *ds1307 = i2c_get_clientdata(client); - if (ds1307->wakeirq) - dev_pm_clear_wake_irq(&client->dev); - if (test_and_clear_bit(HAS_NVRAM, &ds1307->flags)) sysfs_remove_bin_file(&client->dev.kobj, ds1307->nvram); |