1 files changed, 22 insertions, 20 deletions

diff --git a/drivers/misc/mei/platform-vsc.c b/drivers/misc/mei/platform-vsc.c
index 8d303c6c0000..435760b1e86f 100644
--- a/drivers/misc/mei/platform-vsc.c
+++ b/drivers/misc/mei/platform-vsc.c
@@ -19,7 +19,7 @@
 #include <linux/types.h>
 
 #include <asm-generic/bug.h>
-#include <asm-generic/unaligned.h>
+#include <linux/unaligned.h>
 
 #include "mei_dev.h"
 #include "vsc-tp.h"
@@ -28,8 +28,8 @@
 
 #define MEI_VSC_MAX_MSG_SIZE		512
 
-#define MEI_VSC_POLL_DELAY_US		(50 * USEC_PER_MSEC)
-#define MEI_VSC_POLL_TIMEOUT_US		(200 * USEC_PER_MSEC)
+#define MEI_VSC_POLL_DELAY_US		(100 * USEC_PER_MSEC)
+#define MEI_VSC_POLL_TIMEOUT_US		(400 * USEC_PER_MSEC)
 
 #define mei_dev_to_vsc_hw(dev)		((struct mei_vsc_hw *)((dev)->hw))
 
@@ -256,8 +256,6 @@ static int mei_vsc_hw_reset(struct mei_device *mei_dev, bool intr_enable)
 
 	vsc_tp_reset(hw->tp);
 
-	vsc_tp_intr_disable(hw->tp);
-
 	return vsc_tp_init(hw->tp, mei_dev->dev);
 }
 
@@ -384,7 +382,7 @@ err_cancel:
 	return ret;
 }
 
-static int mei_vsc_remove(struct platform_device *pdev)
+static void mei_vsc_remove(struct platform_device *pdev)
 {
 	struct mei_device *mei_dev = platform_get_drvdata(pdev);
 
@@ -395,30 +393,34 @@ static int mei_vsc_remove(struct platform_device *pdev)
 	mei_disable_interrupts(mei_dev);
 
 	mei_deregister(mei_dev);
-
-	return 0;
 }
 
 static int mei_vsc_suspend(struct device *dev)
 {
-	struct mei_device *mei_dev = dev_get_drvdata(dev);
+	struct mei_device *mei_dev;
+	int ret = 0;
 
-	mei_stop(mei_dev);
+	mei_dev = dev_get_drvdata(dev);
+	if (!mei_dev)
+		return -ENODEV;
 
-	return 0;
+	mutex_lock(&mei_dev->device_lock);
+
+	if (!mei_write_is_idle(mei_dev))
+		ret = -EAGAIN;
+
+	mutex_unlock(&mei_dev->device_lock);
+
+	return ret;
 }
 
 static int mei_vsc_resume(struct device *dev)
 {
-	struct mei_device *mei_dev = dev_get_drvdata(dev);
-	int ret;
-
-	ret = mei_restart(mei_dev);
-	if (ret)
-		return ret;
+	struct mei_device *mei_dev;
 
-	/* start timer if stopped in suspend */
-	schedule_delayed_work(&mei_dev->timer_work, HZ);
+	mei_dev = dev_get_drvdata(dev);
+	if (!mei_dev)
+		return -ENODEV;
 
 	return 0;
 }
@@ -447,4 +449,4 @@ MODULE_AUTHOR("Wentong Wu <wentong.wu@intel.com>");
 MODULE_AUTHOR("Zhifeng Wang <zhifeng.wang@intel.com>");
 MODULE_DESCRIPTION("Intel Visual Sensing Controller Interface");
 MODULE_LICENSE("GPL");
-MODULE_IMPORT_NS(VSC_TP);
+MODULE_IMPORT_NS("VSC_TP");