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path: root/drivers/char/agp/amd64-agp.c
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Diffstat (limited to 'drivers/char/agp/amd64-agp.c')
-rw-r--r--drivers/char/agp/amd64-agp.c51
1 files changed, 31 insertions, 20 deletions
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 481ffe87c716..7495c522d8e4 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -34,6 +34,7 @@
static struct resource *aperture_resource;
static int __initdata agp_try_unsupported = 1;
+static int agp_bridges_found;
static void amd64_tlbflush(struct agp_memory *temp)
{
@@ -293,12 +294,13 @@ static __devinit int fix_northbridge(struct pci_dev *nb, struct pci_dev *agp,
* so let double check that order, and lets trust the AMD NB settings
*/
if (order >=0 && aper + (32ULL<<(20 + order)) > 0x100000000ULL) {
- printk(KERN_INFO "Aperture size %u MB is not right, using settings from NB\n",
- 32 << order);
+ dev_info(&agp->dev, "aperture size %u MB is not right, using settings from NB\n",
+ 32 << order);
order = nb_order;
}
- printk(KERN_INFO PFX "Aperture from AGP @ %Lx size %u MB\n", aper, 32 << order);
+ dev_info(&agp->dev, "aperture from AGP @ %Lx size %u MB\n",
+ aper, 32 << order);
if (order < 0 || !agp_aperture_valid(aper, (32*1024*1024)<<order))
return -1;
@@ -319,10 +321,10 @@ static __devinit int cache_nbs (struct pci_dev *pdev, u32 cap_ptr)
for (i = 0; i < num_k8_northbridges; i++) {
struct pci_dev *dev = k8_northbridges[i];
if (fix_northbridge(dev, pdev, cap_ptr) < 0) {
- printk(KERN_ERR PFX "No usable aperture found.\n");
+ dev_err(&dev->dev, "no usable aperture found\n");
#ifdef __x86_64__
/* should port this to i386 */
- printk(KERN_ERR PFX "Consider rebooting with iommu=memaper=2 to get a good aperture.\n");
+ dev_err(&dev->dev, "consider rebooting with iommu=memaper=2 to get a good aperture\n");
#endif
return -1;
}
@@ -345,14 +347,14 @@ static void __devinit amd8151_init(struct pci_dev *pdev, struct agp_bridge_data
default: revstring="??"; break;
}
- printk (KERN_INFO PFX "Detected AMD 8151 AGP Bridge rev %s\n", revstring);
+ dev_info(&pdev->dev, "AMD 8151 AGP Bridge rev %s\n", revstring);
/*
* Work around errata.
* Chips before B2 stepping incorrectly reporting v3.5
*/
if (pdev->revision < 0x13) {
- printk (KERN_INFO PFX "Correcting AGP revision (reports 3.5, is really 3.0)\n");
+ dev_info(&pdev->dev, "correcting AGP revision (reports 3.5, is really 3.0)\n");
bridge->major_version = 3;
bridge->minor_version = 0;
}
@@ -375,11 +377,11 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
struct pci_dev *dev1;
int i;
unsigned size = amd64_fetch_size();
- printk(KERN_INFO "Setting up ULi AGP.\n");
+
+ dev_info(&pdev->dev, "setting up ULi AGP\n");
dev1 = pci_get_slot (pdev->bus,PCI_DEVFN(0,0));
if (dev1 == NULL) {
- printk(KERN_INFO PFX "Detected a ULi chipset, "
- "but could not fine the secondary device.\n");
+ dev_info(&pdev->dev, "can't find ULi secondary device\n");
return -ENODEV;
}
@@ -388,7 +390,7 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
break;
if (i == ARRAY_SIZE(uli_sizes)) {
- printk(KERN_INFO PFX "No ULi size found for %d\n", size);
+ dev_info(&pdev->dev, "no ULi size found for %d\n", size);
return -ENODEV;
}
@@ -433,13 +435,11 @@ static int nforce3_agp_init(struct pci_dev *pdev)
int i;
unsigned size = amd64_fetch_size();
- printk(KERN_INFO PFX "Setting up Nforce3 AGP.\n");
+ dev_info(&pdev->dev, "setting up Nforce3 AGP\n");
dev1 = pci_get_slot(pdev->bus, PCI_DEVFN(11, 0));
if (dev1 == NULL) {
- printk(KERN_INFO PFX "agpgart: Detected an NVIDIA "
- "nForce3 chipset, but could not find "
- "the secondary device.\n");
+ dev_info(&pdev->dev, "can't find Nforce3 secondary device\n");
return -ENODEV;
}
@@ -448,7 +448,7 @@ static int nforce3_agp_init(struct pci_dev *pdev)
break;
if (i == ARRAY_SIZE(nforce3_sizes)) {
- printk(KERN_INFO PFX "No NForce3 size found for %d\n", size);
+ dev_info(&pdev->dev, "no NForce3 size found for %d\n", size);
return -ENODEV;
}
@@ -462,7 +462,7 @@ static int nforce3_agp_init(struct pci_dev *pdev)
/* if x86-64 aperture base is beyond 4G, exit here */
if ( (apbase & 0x7fff) >> (32 - 25) ) {
- printk(KERN_INFO PFX "aperture base > 4G\n");
+ dev_info(&pdev->dev, "aperture base > 4G\n");
return -ENODEV;
}
@@ -489,6 +489,7 @@ static int __devinit agp_amd64_probe(struct pci_dev *pdev,
{
struct agp_bridge_data *bridge;
u8 cap_ptr;
+ int err;
cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
if (!cap_ptr)
@@ -504,7 +505,8 @@ static int __devinit agp_amd64_probe(struct pci_dev *pdev,
pdev->device == PCI_DEVICE_ID_AMD_8151_0) {
amd8151_init(pdev, bridge);
} else {
- printk(KERN_INFO PFX "Detected AGP bridge %x\n", pdev->devfn);
+ dev_info(&pdev->dev, "AGP bridge [%04x/%04x]\n",
+ pdev->vendor, pdev->device);
}
bridge->driver = &amd_8151_driver;
@@ -536,7 +538,12 @@ static int __devinit agp_amd64_probe(struct pci_dev *pdev,
}
pci_set_drvdata(pdev, bridge);
- return agp_add_bridge(bridge);
+ err = agp_add_bridge(bridge);
+ if (err < 0)
+ return err;
+
+ agp_bridges_found++;
+ return 0;
}
static void __devexit agp_amd64_remove(struct pci_dev *pdev)
@@ -713,7 +720,11 @@ int __init agp_amd64_init(void)
if (agp_off)
return -EINVAL;
- if (pci_register_driver(&agp_amd64_pci_driver) < 0) {
+ err = pci_register_driver(&agp_amd64_pci_driver);
+ if (err < 0)
+ return err;
+
+ if (agp_bridges_found == 0) {
struct pci_dev *dev;
if (!agp_try_unsupported && !agp_try_unsupported_boot) {
printk(KERN_INFO PFX "No supported AGP bridge found.\n");
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