On 02/20/2013 08:00 AM, Stephen Warren wrote:
On 02/18/2013 04:30 AM, Wei Ni wrote:
Add support to handle irq. When the temperature touch the limit value, the
driver can handle the interrupt.
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
+static void lm90_irq_work(struct work_struct *work)
...
+ enable_irq(client->irq);
+}
+
+static irqreturn_t lm90_irq(int irq, void *dev_id)
+{
+ struct lm90_data *data = dev_id;
+
+ disable_irq_nosync(irq);
I think IRQF_ONESHOT would enable you to remove the manual
enable/disable_irq calls.
Oh, right. Using a threaded IRQ with IRQF_ONESHOT would make that happen
transparently. Wasn't aware of that, thanks.
Alex.
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