mei: remove the reference to pdev from mei_device

For purpose of adding testing HW we would like
to get rid of pci dependency in generic mei code.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/mei/hw-me.c

@@ -676,7 +676,7 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id)
 
 	/* Ack the interrupt here
 	 * In case of MSI we don't go through the quick handler */
-	if (pci_dev_msi_enabled(dev->pdev))
+	if (pci_dev_msi_enabled(to_pci_dev(dev->dev)))
 		mei_clear_interrupts(dev);
 
 	/* check if ME wants a reset */
@@ -854,7 +854,6 @@ struct mei_device *mei_me_dev_init(struct pci_dev *pdev,
 
 	mei_device_init(dev, &pdev->dev, &mei_me_hw_ops);
 	dev->cfg  = cfg;
-	dev->pdev = pdev;
 	return dev;
 }
 

drivers/misc/mei/hw-txe.c

@@ -998,7 +998,7 @@ irqreturn_t mei_txe_irq_thread_handler(int irq, void *dev_id)
 	mutex_lock(&dev->device_lock);
 	mei_io_list_init(&complete_list);
 
-	if (pci_dev_msi_enabled(dev->pdev))
+	if (pci_dev_msi_enabled(to_pci_dev(dev->dev)))
 		mei_txe_check_and_ack_intrs(dev, true);
 
 	/* show irq events */
@@ -1157,7 +1157,6 @@ struct mei_device *mei_txe_dev_init(struct pci_dev *pdev,
 	init_waitqueue_head(&hw->wait_aliveness_resp);
 
 	dev->cfg  = cfg;
-	dev->pdev = pdev;
 	return dev;
 }
 

drivers/misc/mei/mei_dev.h

@@ -401,7 +401,6 @@ struct mei_cfg {
 /**
  * struct mei_device -  MEI private device struct
 
- * @pdev - pointer to pci device struct
  * @dev  - device on a bus
  * @cdev - character device
  * @minor - minor number allocated for device
@@ -420,7 +419,6 @@ struct mei_cfg {
  * @cfg - per device generation config and ops
  */
 struct mei_device {
-	struct pci_dev *pdev;	/* pointer to pci device struct */
 	struct device *dev;
 	struct cdev cdev;
 	int minor;

drivers/misc/mei/pci-me.c

@@ -430,7 +430,7 @@ static int mei_me_pm_runtime_resume(struct device *device)
  */
 static inline void mei_me_set_pm_domain(struct mei_device *dev)
 {
-	struct pci_dev *pdev  = dev->pdev;
+	struct pci_dev *pdev  = to_pci_dev(dev->dev);
 
 	if (pdev->dev.bus && pdev->dev.bus->pm) {
 		dev->pg_domain.ops = *pdev->dev.bus->pm;

drivers/misc/mei/pci-txe.c

@@ -378,7 +378,7 @@ static int mei_txe_pm_runtime_resume(struct device *device)
  */
 static inline void mei_txe_set_pm_domain(struct mei_device *dev)
 {
-	struct pci_dev *pdev  = dev->pdev;
+	struct pci_dev *pdev  = to_pci_dev(dev->dev);
 
 	if (pdev->dev.bus && pdev->dev.bus->pm) {
 		dev->pg_domain.ops = *pdev->dev.bus->pm;