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Commit dbee3562 authored by Dmitry Torokhov's avatar Dmitry Torokhov Committed by Jean Delvare
Browse files

hwmon: (ams) Simplify IRQ handling routine 



Simplify the IRQ handling routine of ams driver.

Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
parent ee4cd32e

drivers/hwmon/ams/ams-core.c

+17 −25
Original line number Diff line number Diff line
@@ -99,23 +99,19 @@ static struct pmf_irq_client ams_shock_client = { 
 */

static void ams_worker(struct work_struct *work)

{

	mutex_lock(&ams_info.lock);



	if (ams_info.has_device) {

	unsigned long flags;

	u8 irqs_to_clear;



	mutex_lock(&ams_info.lock);



	spin_lock_irqsave(&ams_info.irq_lock, flags);

	irqs_to_clear = ams_info.worker_irqs;



	if (ams_info.worker_irqs & AMS_IRQ_FREEFALL) {

		if (verbose)

			printk(KERN_INFO "ams: freefall detected!\n");



		ams_info.worker_irqs &= ~AMS_IRQ_FREEFALL;



			/* we must call this with interrupts enabled */

			spin_unlock_irqrestore(&ams_info.irq_lock, flags);

			ams_info.clear_irq(AMS_IRQ_FREEFALL);

			spin_lock_irqsave(&ams_info.irq_lock, flags);

	}



	if (ams_info.worker_irqs & AMS_IRQ_SHOCK) {
@@ -123,15 +119,11 @@ static void ams_worker(struct work_struct *work) 
			printk(KERN_INFO "ams: shock detected!\n");



		ams_info.worker_irqs &= ~AMS_IRQ_SHOCK;



			/* we must call this with interrupts enabled */

			spin_unlock_irqrestore(&ams_info.irq_lock, flags);

			ams_info.clear_irq(AMS_IRQ_SHOCK);

			spin_lock_irqsave(&ams_info.irq_lock, flags);

	}



	spin_unlock_irqrestore(&ams_info.irq_lock, flags);

	}



	ams_info.clear_irq(irqs_to_clear);



	mutex_unlock(&ams_info.lock);

}