---

yaml --- r: 95089 b: refs/heads/master c: 2ba162b h: refs/heads/master i: 95087: 8dcc9a2 v: v3
git-mirror · Apr 30, 2008 · 740ac20 · 740ac20
1 parent 29e0cd7
commit 740ac20
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Showing 3 changed files with 7 additions and 9 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a7535ba730e13db037bd22c79c3805690d0945a2
+refs/heads/master: 2ba162b9335c6e3ba90c77637372fc9f078aae67
diff --git a/trunk/drivers/video/pxafb.c b/trunk/drivers/video/pxafb.c
@@ -39,6 +39,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/clk.h>
 #include <linux/err.h>
+#include <linux/completion.h>
 
 #include <asm/hardware.h>
 #include <asm/io.h>
@@ -810,20 +811,14 @@ static void pxafb_disable_controller(struct pxafb_info *fbi)
 {
 	uint32_t lccr0;
 
-	DECLARE_WAITQUEUE(wait, current);
-
-	set_current_state(TASK_UNINTERRUPTIBLE);
-	add_wait_queue(&fbi->ctrlr_wait, &wait);
-
 	/* Clear LCD Status Register */
 	lcd_writel(fbi, LCSR, 0xffffffff);
 
 	lccr0 = lcd_readl(fbi, LCCR0) & ~LCCR0_LDM;
 	lcd_writel(fbi, LCCR0, lccr0);
 	lcd_writel(fbi, LCCR0, lccr0 | LCCR0_DIS);
 
-	schedule_timeout(200 * HZ / 1000);
-	remove_wait_queue(&fbi->ctrlr_wait, &wait);
+	wait_for_completion_timeout(&fbi->disable_done, 200 * HZ / 1000);
 
 	/* disable LCD controller clock */
 	clk_disable(fbi->clk);
@@ -840,7 +835,7 @@ static irqreturn_t pxafb_handle_irq(int irq, void *dev_id)
 	if (lcsr & LCSR_LDD) {
 		lccr0 = lcd_readl(fbi, LCCR0);
 		lcd_writel(fbi, LCCR0, lccr0 | LCCR0_LDM);
-		wake_up(&fbi->ctrlr_wait);
+		complete(&fbi->disable_done);
 	}
 
 	lcd_writel(fbi, LCSR, lcsr);
@@ -1190,6 +1185,7 @@ static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev)
 	init_waitqueue_head(&fbi->ctrlr_wait);
 	INIT_WORK(&fbi->task, pxafb_task);
 	init_MUTEX(&fbi->ctrlr_sem);
+	init_completion(&fbi->disable_done);
 
 	return fbi;
 }

diff --git a/trunk/drivers/video/pxafb.h b/trunk/drivers/video/pxafb.h
@@ -114,6 +114,8 @@ struct pxafb_info {
 	wait_queue_head_t	ctrlr_wait;
 	struct work_struct	task;
 
+	struct completion	disable_done;
+
 #ifdef CONFIG_CPU_FREQ
 	struct notifier_block	freq_transition;
 	struct notifier_block	freq_policy;