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Merge branch 'pci/bjorn-eisa' into next
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* pci/bjorn-eisa:
  EISA: Log device resources in dmesg
  EISA: Initialize device before its resources
  EISA: Mark vendor ID resource as I/O port space
  EISA: Use dev_printk() when possible
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Bjorn Helgaas committed Apr 15, 2013
2 parents 272e70c + a2080d0 commit 26c0995
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Showing 2 changed files with 38 additions and 49 deletions.
82 changes: 36 additions & 46 deletions drivers/eisa/eisa-bus.c
Original file line number Diff line number Diff line change
Expand Up @@ -275,19 +275,18 @@ static int __init eisa_request_resources(struct eisa_root_device *root,
}

if (slot) {
edev->res[i].name = NULL;
edev->res[i].start = SLOT_ADDRESS(root, slot)
+ (i * 0x400);
edev->res[i].end = edev->res[i].start + 0xff;
edev->res[i].flags = IORESOURCE_IO;
} else {
edev->res[i].name = NULL;
edev->res[i].start = SLOT_ADDRESS(root, slot)
+ EISA_VENDOR_ID_OFFSET;
edev->res[i].end = edev->res[i].start + 3;
edev->res[i].flags = IORESOURCE_BUSY;
edev->res[i].flags = IORESOURCE_IO | IORESOURCE_BUSY;
}

dev_printk(KERN_DEBUG, &edev->dev, "%pR\n", &edev->res[i]);
if (request_resource(root->res, &edev->res[i]))
goto failed;
}
Expand All @@ -314,41 +313,40 @@ static int __init eisa_probe(struct eisa_root_device *root)
{
int i, c;
struct eisa_device *edev;
char *enabled_str;

printk(KERN_INFO "EISA: Probing bus %d at %s\n",
root->bus_nr, dev_name(root->dev));
dev_info(root->dev, "Probing EISA bus %d\n", root->bus_nr);

/* First try to get hold of slot 0. If there is no device
* here, simply fail, unless root->force_probe is set. */

edev = kzalloc(sizeof(*edev), GFP_KERNEL);
if (!edev) {
printk(KERN_ERR "EISA: Couldn't allocate mainboard slot\n");
dev_err(root->dev, "EISA: Couldn't allocate mainboard slot\n");
return -ENOMEM;
}

if (eisa_request_resources(root, edev, 0)) {
printk(KERN_WARNING \
"EISA: Cannot allocate resource for mainboard\n");
if (eisa_init_device(root, edev, 0)) {
kfree(edev);
if (!root->force_probe)
return -EBUSY;
return -ENODEV;
goto force_probe;
}

if (eisa_init_device(root, edev, 0)) {
eisa_release_resources(edev);
if (eisa_request_resources(root, edev, 0)) {
dev_warn(root->dev,
"EISA: Cannot allocate resource for mainboard\n");
kfree(edev);
if (!root->force_probe)
return -ENODEV;
return -EBUSY;
goto force_probe;
}

printk(KERN_INFO "EISA: Mainboard %s detected.\n", edev->id.sig);
dev_info(&edev->dev, "EISA: Mainboard %s detected\n", edev->id.sig);

if (eisa_register_device(edev)) {
printk(KERN_ERR "EISA: Failed to register %s\n",
edev->id.sig);
dev_err(&edev->dev, "EISA: Failed to register %s\n",
edev->id.sig);
eisa_release_resources(edev);
kfree(edev);
}
Expand All @@ -358,55 +356,47 @@ static int __init eisa_probe(struct eisa_root_device *root)
for (c = 0, i = 1; i <= root->slots; i++) {
edev = kzalloc(sizeof(*edev), GFP_KERNEL);
if (!edev) {
printk(KERN_ERR "EISA: Out of memory for slot %d\n", i);
dev_err(root->dev, "EISA: Out of memory for slot %d\n",
i);
continue;
}

if (eisa_request_resources(root, edev, i)) {
printk(KERN_WARNING \
"Cannot allocate resource for EISA slot %d\n",
i);
if (eisa_init_device(root, edev, i)) {
kfree(edev);
continue;
}

if (eisa_init_device(root, edev, i)) {
eisa_release_resources(edev);
if (eisa_request_resources(root, edev, i)) {
dev_warn(root->dev,
"Cannot allocate resource for EISA slot %d\n",
i);
kfree(edev);
continue;
}

printk(KERN_INFO "EISA: slot %d : %s detected",
i, edev->id.sig);

switch (edev->state) {
case EISA_CONFIG_ENABLED | EISA_CONFIG_FORCED:
printk(" (forced enabled)");
break;

case EISA_CONFIG_FORCED:
printk(" (forced disabled)");
break;

case 0:
printk(" (disabled)");
break;
}

printk (".\n");

if (edev->state == (EISA_CONFIG_ENABLED | EISA_CONFIG_FORCED))
enabled_str = " (forced enabled)";
else if (edev->state == EISA_CONFIG_FORCED)
enabled_str = " (forced disabled)";
else if (edev->state == 0)
enabled_str = " (disabled)";
else
enabled_str = "";

dev_info(&edev->dev, "EISA: slot %d: %s detected%s\n", i,
edev->id.sig, enabled_str);

c++;

if (eisa_register_device(edev)) {
printk(KERN_ERR "EISA: Failed to register %s\n",
edev->id.sig);
dev_err(&edev->dev, "EISA: Failed to register %s\n",
edev->id.sig);
eisa_release_resources(edev);
kfree(edev);
}
}

printk(KERN_INFO "EISA: Detected %d card%s.\n", c, c == 1 ? "" : "s");

dev_info(root->dev, "EISA: Detected %d card%s\n", c, c == 1 ? "" : "s");
return 0;
}

Expand Down
5 changes: 2 additions & 3 deletions drivers/eisa/pci_eisa.c
Original file line number Diff line number Diff line change
Expand Up @@ -25,8 +25,7 @@ static int __init pci_eisa_init(struct pci_dev *pdev,
int rc;

if ((rc = pci_enable_device (pdev))) {
printk (KERN_ERR "pci_eisa : Could not enable device %s\n",
pci_name(pdev));
dev_err(&pdev->dev, "Could not enable device\n");
return rc;
}

Expand All @@ -38,7 +37,7 @@ static int __init pci_eisa_init(struct pci_dev *pdev,
dev_set_drvdata(pci_eisa_root.dev, &pci_eisa_root);

if (eisa_root_register (&pci_eisa_root)) {
printk (KERN_ERR "pci_eisa : Could not register EISA root\n");
dev_err(&pdev->dev, "Could not register EISA root\n");
return -1;
}

Expand Down

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