summaryrefslogtreecommitdiff
path: root/drivers/rtc/rtc-ds1307.c
diff options
context:
space:
mode:
authorWolfram Sang <w.sang@pengutronix.de>2012-03-23 15:02:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-23 16:58:40 -0700
commitb24a7267709bb0adb694364572478f919e9c7390 (patch)
tree1b1f56549c9966a483846d10c96dba1153210d38 /drivers/rtc/rtc-ds1307.c
parent32d322bcb0d6886084197247e30aa130956d5978 (diff)
rtc: ds1307: simplify irq setup code
No need to have two seperate if-blocks for setting up the irq. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Tested-by: David Anders <danders.dev@gmail.com> Cc: Austin Boyle <Austin.Boyle@aviatnet.com> Cc: Alessandro Zummo <alessandro.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/rtc-ds1307.c')
-rw-r--r--drivers/rtc/rtc-ds1307.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 5098e1ad3a3e..d4543e8730cb 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -646,11 +646,6 @@ static int __devinit ds1307_probe(struct i2c_client *client,
case ds_1337:
case ds_1339:
case ds_3231:
- /* has IRQ? */
- if (ds1307->client->irq > 0 && chip->alarm) {
- INIT_WORK(&ds1307->work, ds1307_work);
- want_irq = true;
- }
/* get registers that the "rtc" read below won't read... */
tmp = ds1307->read_block_data(ds1307->client,
DS1337_REG_CONTROL, 2, buf);
@@ -668,10 +663,14 @@ static int __devinit ds1307_probe(struct i2c_client *client,
* For some variants, be sure alarms can trigger when we're
* running on Vbackup (BBSQI/BBSQW)
*/
- if (want_irq) {
+ if (ds1307->client->irq > 0 && chip->alarm) {
+ INIT_WORK(&ds1307->work, ds1307_work);
+
ds1307->regs[0] |= DS1337_BIT_INTCN
| bbsqi_bitpos[ds1307->type];
ds1307->regs[0] &= ~(DS1337_BIT_A2IE | DS1337_BIT_A1IE);
+
+ want_irq = true;
}
i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL,