X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Finput%2Fkeyboard%2Fbf54x-keys.c;h=54ed8e2e1c021c540f2c06adaef5ae009f3d056b;hb=35780c8ea7ad5c6d5483244d5f5bf37176fda86a;hp=a67b29b089ef6b6b2506be658af3f64eebe07810;hpb=a52cefc80fc92981592c688d1c8067442afe4cec;p=linux-2.6

diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index a67b29b089..54ed8e2e1c 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -42,7 +42,6 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/input.h>
-#include <linux/irq.h>
 
 #include <asm/portmux.h>
 #include <asm/mach/bf54x_keys.h>
@@ -256,7 +255,6 @@ static int __devinit bfin_kpad_probe(struct platform_device *pdev)
 		printk(KERN_ERR DRV_NAME
 			": unable to claim irq %d; error %d\n",
 			bf54x_kpad->irq, error);
-		error = -EBUSY;
 		goto out2;
 	}
 
@@ -314,6 +312,8 @@ static int __devinit bfin_kpad_probe(struct platform_device *pdev)
 
 	bfin_write_KPAD_CTL(bfin_read_KPAD_CTL() | KPAD_EN);
 
+	device_init_wakeup(&pdev->dev, 1);
+
 	printk(KERN_ERR DRV_NAME
 		": Blackfin BF54x Keypad registered IRQ %d\n", bf54x_kpad->irq);
 
@@ -356,12 +356,40 @@ static int __devexit bfin_kpad_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM
+static int bfin_kpad_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct bf54x_kpad *bf54x_kpad = platform_get_drvdata(pdev);
+
+	if (device_may_wakeup(&pdev->dev))
+		enable_irq_wake(bf54x_kpad->irq);
+
+	return 0;
+}
+
+static int bfin_kpad_resume(struct platform_device *pdev)
+{
+	struct bf54x_kpad *bf54x_kpad = platform_get_drvdata(pdev);
+
+	if (device_may_wakeup(&pdev->dev))
+		disable_irq_wake(bf54x_kpad->irq);
+
+	return 0;
+}
+#else
+# define bfin_kpad_suspend NULL
+# define bfin_kpad_resume  NULL
+#endif
+
 struct platform_driver bfin_kpad_device_driver = {
-	.probe		= bfin_kpad_probe,
-	.remove		= __devexit_p(bfin_kpad_remove),
 	.driver		= {
 		.name	= DRV_NAME,
-	}
+		.owner	= THIS_MODULE,
+	},
+	.probe		= bfin_kpad_probe,
+	.remove		= __devexit_p(bfin_kpad_remove),
+	.suspend	= bfin_kpad_suspend,
+	.resume		= bfin_kpad_resume,
 };
 
 static int __init bfin_kpad_init(void)
@@ -380,3 +408,4 @@ module_exit(bfin_kpad_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
 MODULE_DESCRIPTION("Keypad driver for BF54x Processors");
+MODULE_ALIAS("platform:bf54x-keys");