mei: rename struct pci_dev *mei_device to mei_pdev

1. rename mei_device variable to mei_pdev to remove
confusion with type 'struct mei_device'
2. mei_pdev no longer need to be gloabal so make it static
 and remove the declaration from the header file

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/mei/main.c

@@ -41,9 +41,8 @@
 #include <linux/mei.h>
 #include "interface.h"
 
-/* The device pointer */
-/* Currently this driver works as long as there is only a single AMT device. */
-struct pci_dev *mei_device;
+/* AMT device is a singleton on the platform */
+static struct pci_dev *mei_pdev;
 
 /* mei_pci_tbl - PCI Device ID Table */
 static DEFINE_PCI_DEVICE_TABLE(mei_pci_tbl) = {
@@ -218,10 +217,10 @@ static int mei_open(struct inode *inode, struct file *file)
 	int err;
 
 	err = -ENODEV;
-	if (!mei_device)
+	if (!mei_pdev)
 		goto out;
 
-	dev = pci_get_drvdata(mei_device);
+	dev = pci_get_drvdata(mei_pdev);
 	if (!dev)
 		goto out;
 
@@ -945,7 +944,7 @@ static int __devinit mei_probe(struct pci_dev *pdev,
 		goto end;
 	}
 
-	if (mei_device) {
+	if (mei_pdev) {
 		err = -EEXIST;
 		goto end;
 	}
@@ -1006,7 +1005,7 @@ static int __devinit mei_probe(struct pci_dev *pdev,
 	if (err)
 		goto release_irq;
 
-	mei_device = pdev;
+	mei_pdev = pdev;
 	pci_set_drvdata(pdev, dev);
 
 
@@ -1051,7 +1050,7 @@ static void __devexit mei_remove(struct pci_dev *pdev)
 {
 	struct mei_device *dev;
 
-	if (mei_device != pdev)
+	if (mei_pdev != pdev)
 		return;
 
 	dev = pci_get_drvdata(pdev);
@@ -1064,7 +1063,7 @@ static void __devexit mei_remove(struct pci_dev *pdev)
 
 	mei_wd_stop(dev);
 
-	mei_device = NULL;
+	mei_pdev = NULL;
 
 	if (dev->iamthif_cl.state == MEI_FILE_CONNECTED) {
 		dev->iamthif_cl.state = MEI_FILE_DISCONNECTING;

drivers/misc/mei/mei_dev.h

@@ -39,11 +39,6 @@
 
 #define MEI_RD_MSG_BUF_SIZE           (128 * sizeof(u32))
 
-/*
- * MEI PCI Device object
- */
-extern struct pci_dev *mei_device;
-
 
 /*
  * AMTHI Client UUID