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path: root/arch/sh/drivers/push-switch.c
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Diffstat (limited to 'arch/sh/drivers/push-switch.c')
-rw-r--r--arch/sh/drivers/push-switch.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/sh/drivers/push-switch.c b/arch/sh/drivers/push-switch.c
index f2b9157c314..5bfb341cc5c 100644
--- a/arch/sh/drivers/push-switch.c
+++ b/arch/sh/drivers/push-switch.c
@@ -8,13 +8,14 @@
* for more details.
*/
#include <linux/init.h>
+#include <linux/slab.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <asm/push-switch.h>
#define DRV_NAME "push-switch"
-#define DRV_VERSION "0.1.0"
+#define DRV_VERSION "0.1.1"
static ssize_t switch_show(struct device *dev,
struct device_attribute *attr,
@@ -32,10 +33,10 @@ static void switch_timer(unsigned long data)
schedule_work(&psw->work);
}
-static void switch_work_handler(void *data)
+static void switch_work_handler(struct work_struct *work)
{
- struct platform_device *pdev = data;
- struct push_switch *psw = platform_get_drvdata(pdev);
+ struct push_switch *psw = container_of(work, struct push_switch, work);
+ struct platform_device *pdev = psw->pdev;
psw->state = 0;
@@ -62,7 +63,7 @@ static int switch_drv_probe(struct platform_device *pdev)
BUG_ON(!psw_info);
ret = request_irq(irq, psw_info->irq_handler,
- IRQF_DISABLED | psw_info->irq_flags,
+ psw_info->irq_flags,
psw_info->name ? psw_info->name : DRV_NAME, pdev);
if (unlikely(ret < 0))
goto err;
@@ -76,12 +77,15 @@ static int switch_drv_probe(struct platform_device *pdev)
}
}
- INIT_WORK(&psw->work, switch_work_handler, pdev);
+ INIT_WORK(&psw->work, switch_work_handler);
init_timer(&psw->debounce);
psw->debounce.function = switch_timer;
psw->debounce.data = (unsigned long)psw;
+ /* Workqueue API brain-damage */
+ psw->pdev = pdev;
+
platform_set_drvdata(pdev, psw);
return 0;
@@ -103,7 +107,7 @@ static int switch_drv_remove(struct platform_device *pdev)
device_remove_file(&pdev->dev, &dev_attr_switch);
platform_set_drvdata(pdev, NULL);
- flush_scheduled_work();
+ flush_work(&psw->work);
del_timer_sync(&psw->debounce);
free_irq(irq, pdev);
@@ -135,4 +139,4 @@ module_exit(switch_exit);
MODULE_VERSION(DRV_VERSION);
MODULE_AUTHOR("Paul Mundt");
-MODULE_LICENSE("GPLv2");
+MODULE_LICENSE("GPL v2");