From: Colin Cross <ccross@android.com>
Date: Thu, 23 Sep 2010 21:50:12 +0000 (-0700)
Subject: cpcap: Flush work in suspend
X-Git-Tag: firefly_0821_release~9834^2~519
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3fbbf04884e7b664b5dceb8c34a47094b99a2662;p=firefly-linux-kernel-4.4.55.git

cpcap: Flush work in suspend

Change-Id: I9a4ef87e84b53ad52f46554ad52ca5effb260f65
Signed-off-by: Colin Cross <ccross@android.com>
---

diff --git a/drivers/mfd/cpcap-irq.c b/drivers/mfd/cpcap-irq.c
index 397caaae20a7..18f42875df20 100644
--- a/drivers/mfd/cpcap-irq.c
+++ b/drivers/mfd/cpcap-irq.c
@@ -434,7 +434,7 @@ int cpcap_irq_init(struct cpcap_device *cpcap)
 
 	cpcap_irq_mask_all(cpcap);
 
-	data->workqueue = create_workqueue("cpcap_irq");
+	data->workqueue = create_singlethread_workqueue("cpcap_irq");
 	INIT_WORK(&data->work, irq_work_func);
 	mutex_init(&data->lock);
 	wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "cpcap-irq");
@@ -635,8 +635,10 @@ EXPORT_SYMBOL_GPL(cpcap_irq_sense);
 int cpcap_irq_suspend(struct cpcap_device *cpcap)
 {
 	struct spi_device *spi = cpcap->spi;
+	struct cpcap_irqdata *data = cpcap->irqdata;
 
 	disable_irq(spi->irq);
+	flush_work(&data->work);
 	return 0;
 }