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>

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,