[svn-commits] sruffell: tag linux/2.2.1.2 r8666 - /linux/tags/2.2.1.2/drivers/dahdi/voicebus/

[SVN commits to the Digium repositories]

Author: sruffell
Date: Tue May 18 12:12:47 2010
New Revision: 8666

URL: http://svnview.digium.com/svn/dahdi?view=rev&rev=8666
Log:
wcte12xp, wctdm24xxp: Use memory mapped IO instead of port IO

Back ports r8176 and r8560 onto 2.2.1.1. DAHDI-625.


Modified:
    linux/tags/2.2.1.2/drivers/dahdi/voicebus/voicebus.c

Modified: linux/tags/2.2.1.2/drivers/dahdi/voicebus/voicebus.c
URL: http://svnview.digium.com/svn/dahdi/linux/tags/2.2.1.2/drivers/dahdi/voicebus/voicebus.c?view=diff&rev=8666&r1=8665&r2=8666
==============================================================================
--- linux/tags/2.2.1.2/drivers/dahdi/voicebus/voicebus.c (original)
+++ linux/tags/2.2.1.2/drivers/dahdi/voicebus/voicebus.c Tue May 18 12:12:47 2010
@@ -169,8 +169,8 @@
 #else
 	struct kmem_cache *buffer_cache;
 #endif
-	/*! Base address of the VoiceBus interface registers in I/O space. */
-	u32 iobase;
+	/*! Base address of the VoiceBus interface registers in memory space. */
+	void __iomem 		*iobase;
 	/*! The IRQ line for this VoiceBus interface. */
 	unsigned int irq;
 #if VOICEBUS_DEFERRED == WORKQUEUE
@@ -482,7 +482,7 @@
 static inline u32
 __vb_getctl(struct voicebus *vb, u32 addr)
 {
-	return le32_to_cpu(inl(vb->iobase + addr));
+	return readl(vb->iobase + addr);
 }
 
 /*!
@@ -599,7 +599,8 @@
 __vb_setctl(struct voicebus *vb, u32 addr, u32 val)
 {
 	wmb();
-	outl(cpu_to_le32(val), vb->iobase + addr);
+	writel(val, vb->iobase + addr);
+	readl(vb->iobase + addr);
 }
 
 /*!
@@ -1233,7 +1234,9 @@
 				  vb->idle_vbb, vb->idle_vbb_dma_addr);
 	}
 	kmem_cache_destroy(vb->buffer_cache);
-	release_region(vb->iobase, 0xff);
+	release_mem_region(pci_resource_start(vb->pdev, 1),
+		pci_resource_len(vb->pdev, 1));
+	pci_iounmap(vb->pdev, vb->iobase);
 	pci_disable_device(vb->pdev);
 	kfree(vb);
 }
@@ -1790,8 +1793,9 @@
 		retval = -EIO;
 		goto cleanup;
 	}
-	vb->iobase = pci_resource_start(pdev, 0);
-	if (NULL == request_region(vb->iobase, 0xff, board_name)) {
+	vb->iobase = pci_iomap(vb->pdev, 1, 0);
+	if (!request_mem_region(pci_resource_start(vb->pdev, 1),
+	    pci_resource_len(vb->pdev, 1), board_name)) {
 		dev_err(&vb->pdev->dev, "IO Registers are in use by another "
 			"module.\n");
 		retval = -EIO;
@@ -1813,7 +1817,8 @@
 	   Configure the hardware interface.
 	   ---------------------------------------------------------------- */
 	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
-		release_region(vb->iobase, 0xff);
+		release_mem_region(pci_resource_start(vb->pdev, 1),
+			pci_resource_len(vb->pdev, 1));
 		dev_warn(&vb->pdev->dev, "No suitable DMA available.\n");
 		goto cleanup;
 	}
@@ -1859,7 +1864,7 @@
 		kmem_cache_destroy(vb->buffer_cache);
 
 	if (vb->iobase)
-		release_region(vb->iobase, 0xff);
+		pci_iounmap(vb->pdev, vb->iobase);
 
 	if (vb->pdev)
 		pci_disable_device(vb->pdev);