From 70be683591b1e7f4723228bb2da6c097f8d6f62c Mon Sep 17 00:00:00 2001
From: ppisa <ppisa>
Date: Mon, 14 Jun 2004 15:23:25 +0000
Subject: [PATCH] Finished PCI Unicontrols card memory range initialization.
 There are still problems with CL2 cl2_test_card timing.

---
 lincan/src/unican.c | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/lincan/src/unican.c b/lincan/src/unican.c
index 66466d6..552d6fe 100644
--- a/lincan/src/unican.c
+++ b/lincan/src/unican.c
@@ -854,6 +854,8 @@ int unican_register(struct hwspecops_t *hwspecops)
 
 int unican_pci_request_io(struct candevice_t *candev)
 {
+        unsigned long remap_addr;
+
     #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,4,21))
 	if(pci_request_region(candev->sysdevptr.pcidev, 0, "unican_pci") != 0){
 		CANMSG("Request of Unican PCI range failed\n");
@@ -866,12 +868,32 @@ int unican_pci_request_io(struct candevice_t *candev)
 	}
     #endif /*(LINUX_VERSION_CODE > KERNEL_VERSION(2,4,21))*/
 
+	candev->dev_base_addr=pci_resource_start(candev->sysdevptr.pcidev,0);
+	candev->io_addr=candev->dev_base_addr;
+	candev->res_addr=candev->dev_base_addr;
+
+	if ( !( remap_addr = (long) ioremap( candev->io_addr, IO_RANGE ) ) ) {
+		CANMSG("Unable to access I/O memory at: 0x%lx\n", candev->io_addr);
+	    #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,4,21))
+		pci_release_region(candev->sysdevptr.pcidev, 0);
+	    #else /*(LINUX_VERSION_CODE > KERNEL_VERSION(2,4,21))*/
+		pci_release_regions(candev->sysdevptr.pcidev);
+	    #endif /*(LINUX_VERSION_CODE > KERNEL_VERSION(2,4,21))*/
+		return -ENODEV;
+	
+	}
+	can_base_addr_fixup(candev, remap_addr);
+	DEBUGMSG("Registered IO-memory: 0x%lx - 0x%lx\n", candev->io_addr, candev->io_addr + IO_RANGE - 1);
+	DEBUGMSG("VMA: dev_base_addr: 0x%lx chip_base_addr: 0x%lx\n", 
+		candev->dev_base_addr, candev->chip[0]->chip_base_addr);
+
 	return 0;
 }
 
 
 int unican_pci_release_io(struct candevice_t *candev)
 {
+	iounmap((void*)candev->dev_base_addr);
     #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,4,21))
 	pci_release_region(candev->sysdevptr.pcidev, 0);
     #else /*(LINUX_VERSION_CODE > KERNEL_VERSION(2,4,21))*/
@@ -900,7 +922,7 @@ int unican_pci_init_hw_data(struct candevice_t *candev)
 		printk(KERN_CRIT "Unican PCI region 0 is not MEM\n");
 		return -EIO;
 	}
-	candev->dev_base_addr=pci_resource_start(pcidev,0); /*S5920*/
+	candev->dev_base_addr=pci_resource_start(pcidev,0);
 	candev->io_addr=candev->dev_base_addr;
 	candev->res_addr=candev->dev_base_addr;
 	
-- 
2.39.2