From: Marc Pignat <marc.pignat@hevs.ch>
To: a.zummo@towertech.it
Cc: rtc-linux@googlegroups.com, linux-kernel@vger.kernel.org
Subject: [PATCH] rtc: DS1374 wakup support
Date: Mon, 21 Jul 2008 13:59:50 +0200 [thread overview]
Message-ID: <200807211359.51592.marc.pignat@hevs.ch> (raw)
Wakeup support implementation.
Signed-off-by: Marc Pignat <marc.pignat@hevs.ch>
---
Hi all!
patch agaist 2.6.26, tested on custom ARM board.
Best Regards
Marc
diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c
index 640acd2..0527dec 100644
--- a/drivers/rtc/rtc-ds1374.c
+++ b/drivers/rtc/rtc-ds1374.c
@@ -388,6 +388,7 @@ static int ds1374_probe(struct i2c_client *client,
dev_err(&client->dev, "unable to request IRQ\n");
goto out_free;
}
+ device_init_wakeup(&client->dev, 1);
}
ds1374->rtc = rtc_device_register(client->name, &client->dev,
@@ -401,8 +402,10 @@ static int ds1374_probe(struct i2c_client *client,
return 0;
out_irq:
- if (client->irq >= 0)
+ if (client->irq >= 0) {
+ device_init_wakeup(&client->dev, 0);
free_irq(client->irq, client);
+ }
out_free:
i2c_set_clientdata(client, NULL);
@@ -419,6 +422,7 @@ static int __devexit ds1374_remove(struct i2c_client *client)
ds1374->exiting = 1;
mutex_unlock(&ds1374->mutex);
+ device_init_wakeup(&client->dev, 0);
free_irq(client->irq, client);
flush_scheduled_work();
}
@@ -429,12 +433,33 @@ static int __devexit ds1374_remove(struct i2c_client *client)
return 0;
}
+#ifdef CONFIG_PM
+static int ds1374_suspend(struct i2c_client *client, pm_message_t state)
+{
+ if (client->irq >= 0 && device_may_wakeup(&client->dev))
+ enable_irq_wake(client->irq);
+ return 0;
+}
+
+static int ds1374_resume(struct i2c_client *client)
+{
+ if (client->irq >= 0 && device_may_wakeup(&client->dev))
+ disable_irq_wake(client->irq);
+ return 0;
+}
+#else
+#define ds1374_suspend NULL
+#define ds1374_resume NULL
+#endif
+
static struct i2c_driver ds1374_driver = {
.driver = {
.name = "rtc-ds1374",
.owner = THIS_MODULE,
},
.probe = ds1374_probe,
+ .suspend = ds1374_suspend,
+ .resume = ds1374_resume,
.remove = __devexit_p(ds1374_remove),
.id_table = ds1374_id,
};
reply other threads:[~2008-07-21 12:20 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200807211359.51592.marc.pignat@hevs.ch \
--to=marc.pignat@hevs.ch \
--cc=a.zummo@towertech.it \
--cc=linux-kernel@vger.kernel.org \
--cc=rtc-linux@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®