1 files changed, 18 insertions, 42 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index f71eee67f977..63c2cc408e15 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -60,34 +60,6 @@ int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
 }
 EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
 
-/*
- * TX data handlers.
- */
-int rt2x00pci_write_tx_data(struct queue_entry *entry,
-			    struct txentry_desc *txdesc)
-{
-	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
-
-	/*
-	 * This should not happen, we already checked the entry
-	 * was ours. When the hardware disagrees there has been
-	 * a queue corruption!
-	 */
-	if (unlikely(rt2x00dev->ops->lib->get_entry_state(entry))) {
-		ERROR(rt2x00dev,
-		      "Corrupt queue %d, accessing entry which is not ours.\n"
-		      "Please file bug report to %s.\n",
-		      entry->queue->qid, DRV_PROJECT);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_write_tx_data);
-
-/*
- * TX/RX data handlers.
- */
 void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
 {
 	struct data_queue *queue = rt2x00dev->rx;
@@ -181,8 +153,10 @@ int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Register interrupt handler.
 	 */
-	status = request_irq(rt2x00dev->irq, rt2x00dev->ops->lib->irq_handler,
-			     IRQF_SHARED, rt2x00dev->name, rt2x00dev);
+	status = request_threaded_irq(rt2x00dev->irq,
+				      rt2x00dev->ops->lib->irq_handler,
+				      rt2x00dev->ops->lib->irq_handler_thread,
+				      IRQF_SHARED, rt2x00dev->name, rt2x00dev);
 	if (status) {
 		ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
 		      rt2x00dev->irq, status);
@@ -266,16 +240,16 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
 	struct rt2x00_dev *rt2x00dev;
 	int retval;
 
-	retval = pci_request_regions(pci_dev, pci_name(pci_dev));
+	retval = pci_enable_device(pci_dev);
 	if (retval) {
-		ERROR_PROBE("PCI request regions failed.\n");
+		ERROR_PROBE("Enable device failed.\n");
 		return retval;
 	}
 
-	retval = pci_enable_device(pci_dev);
+	retval = pci_request_regions(pci_dev, pci_name(pci_dev));
 	if (retval) {
-		ERROR_PROBE("Enable device failed.\n");
-		goto exit_release_regions;
+		ERROR_PROBE("PCI request regions failed.\n");
+		goto exit_disable_device;
 	}
 
 	pci_set_master(pci_dev);
@@ -286,14 +260,14 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
 	if (dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32))) {
 		ERROR_PROBE("PCI DMA not supported.\n");
 		retval = -EIO;
-		goto exit_disable_device;
+		goto exit_release_regions;
 	}
 
 	hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
 	if (!hw) {
 		ERROR_PROBE("Failed to allocate hardware.\n");
 		retval = -ENOMEM;
-		goto exit_disable_device;
+		goto exit_release_regions;
 	}
 
 	pci_set_drvdata(pci_dev, hw);
@@ -305,7 +279,10 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
 	rt2x00dev->irq = pci_dev->irq;
 	rt2x00dev->name = pci_name(pci_dev);
 
-	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI);
+	if (pci_dev->is_pcie)
+		rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE);
+	else
+		rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI);
 
 	retval = rt2x00pci_alloc_reg(rt2x00dev);
 	if (retval)
@@ -323,13 +300,12 @@ exit_free_reg:
 exit_free_device:
 	ieee80211_free_hw(hw);
 
-exit_disable_device:
-	if (retval != -EBUSY)
-		pci_disable_device(pci_dev);
-
 exit_release_regions:
 	pci_release_regions(pci_dev);
 
+exit_disable_device:
+	pci_disable_device(pci_dev);
+
 	pci_set_drvdata(pci_dev, NULL);
 
 	return retval;