From patchwork Wed Sep 28 20:18:27 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/2] rtc: ds1307: simplify irq setup code From: Wolfram Sang X-Patchwork-Id: 116852 Message-Id: <1317241107-11392-3-git-send-email-w.sang@pengutronix.de> To: rtc-linux@googlegroups.com Cc: David Anders , Wolfram Sang Date: Wed, 28 Sep 2011 21:18:27 +0100 No need to have two seperate if-blocks for setting up the irq. They can be merged. Signed-off-by: Wolfram Sang Tested-by: David Anders --- drivers/rtc/rtc-ds1307.c | 10 ++++------ 1 files changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index 6a64f4a..2a98601 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 && 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 +663,13 @@ 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 && chip->alarm) { ds1307->regs[0] |= DS1337_BIT_INTCN | bbsqi_bitpos[ds1307->type]; ds1307->regs[0] &= ~(DS1337_BIT_A2IE | DS1337_BIT_A1IE); + + INIT_WORK(&ds1307->work, ds1307_work); + want_irq = true; } i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL,