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-rw-r--r--drivers/eisa/eisa-bus.c240
1 files changed, 128 insertions, 112 deletions
diff --git a/drivers/eisa/eisa-bus.c b/drivers/eisa/eisa-bus.c
index 66958b3f10b4..806c77bfd434 100644
--- a/drivers/eisa/eisa-bus.c
+++ b/drivers/eisa/eisa-bus.c
@@ -39,10 +39,10 @@ static unsigned int enable_dev_count;
static int disable_dev[EISA_MAX_FORCED_DEV];
static unsigned int disable_dev_count;
-static int is_forced_dev (int *forced_tab,
- int forced_count,
- struct eisa_root_device *root,
- struct eisa_device *edev)
+static int is_forced_dev(int *forced_tab,
+ int forced_count,
+ struct eisa_root_device *root,
+ struct eisa_device *edev)
{
int i, x;
@@ -55,21 +55,21 @@ static int is_forced_dev (int *forced_tab,
return 0;
}
-static void __init eisa_name_device (struct eisa_device *edev)
+static void __init eisa_name_device(struct eisa_device *edev)
{
#ifdef CONFIG_EISA_NAMES
int i;
for (i = 0; i < EISA_INFOS; i++) {
- if (!strcmp (edev->id.sig, eisa_table[i].id.sig)) {
- strlcpy (edev->pretty_name,
- eisa_table[i].name,
- sizeof(edev->pretty_name));
+ if (!strcmp(edev->id.sig, eisa_table[i].id.sig)) {
+ strlcpy(edev->pretty_name,
+ eisa_table[i].name,
+ sizeof(edev->pretty_name));
return;
}
}
/* No name was found */
- sprintf (edev->pretty_name, "EISA device %.7s", edev->id.sig);
+ sprintf(edev->pretty_name, "EISA device %.7s", edev->id.sig);
#endif
}
@@ -91,7 +91,7 @@ static char __init *decode_eisa_sig(unsigned long addr)
*/
outb(0x80 + i, addr);
#endif
- sig[i] = inb (addr + i);
+ sig[i] = inb(addr + i);
if (!i && (sig[0] & 0x80))
return NULL;
@@ -106,17 +106,17 @@ static char __init *decode_eisa_sig(unsigned long addr)
return sig_str;
}
-static int eisa_bus_match (struct device *dev, struct device_driver *drv)
+static int eisa_bus_match(struct device *dev, struct device_driver *drv)
{
- struct eisa_device *edev = to_eisa_device (dev);
- struct eisa_driver *edrv = to_eisa_driver (drv);
+ struct eisa_device *edev = to_eisa_device(dev);
+ struct eisa_driver *edrv = to_eisa_driver(drv);
const struct eisa_device_id *eids = edrv->id_table;
if (!eids)
return 0;
- while (strlen (eids->sig)) {
- if (!strcmp (eids->sig, edev->id.sig) &&
+ while (strlen(eids->sig)) {
+ if (!strcmp(eids->sig, edev->id.sig) &&
edev->state & EISA_CONFIG_ENABLED) {
edev->id.driver_data = eids->driver_data;
return 1;
@@ -141,61 +141,71 @@ struct bus_type eisa_bus_type = {
.match = eisa_bus_match,
.uevent = eisa_bus_uevent,
};
+EXPORT_SYMBOL(eisa_bus_type);
-int eisa_driver_register (struct eisa_driver *edrv)
+int eisa_driver_register(struct eisa_driver *edrv)
{
edrv->driver.bus = &eisa_bus_type;
- return driver_register (&edrv->driver);
+ return driver_register(&edrv->driver);
}
+EXPORT_SYMBOL(eisa_driver_register);
-void eisa_driver_unregister (struct eisa_driver *edrv)
+void eisa_driver_unregister(struct eisa_driver *edrv)
{
- driver_unregister (&edrv->driver);
+ driver_unregister(&edrv->driver);
}
+EXPORT_SYMBOL(eisa_driver_unregister);
-static ssize_t eisa_show_sig (struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t eisa_show_sig(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct eisa_device *edev = to_eisa_device (dev);
- return sprintf (buf,"%s\n", edev->id.sig);
+ struct eisa_device *edev = to_eisa_device(dev);
+ return sprintf(buf, "%s\n", edev->id.sig);
}
static DEVICE_ATTR(signature, S_IRUGO, eisa_show_sig, NULL);
-static ssize_t eisa_show_state (struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t eisa_show_state(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
- struct eisa_device *edev = to_eisa_device (dev);
- return sprintf (buf,"%d\n", edev->state & EISA_CONFIG_ENABLED);
+ struct eisa_device *edev = to_eisa_device(dev);
+ return sprintf(buf, "%d\n", edev->state & EISA_CONFIG_ENABLED);
}
static DEVICE_ATTR(enabled, S_IRUGO, eisa_show_state, NULL);
-static ssize_t eisa_show_modalias (struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t eisa_show_modalias(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
- struct eisa_device *edev = to_eisa_device (dev);
- return sprintf (buf, EISA_DEVICE_MODALIAS_FMT "\n", edev->id.sig);
+ struct eisa_device *edev = to_eisa_device(dev);
+ return sprintf(buf, EISA_DEVICE_MODALIAS_FMT "\n", edev->id.sig);
}
static DEVICE_ATTR(modalias, S_IRUGO, eisa_show_modalias, NULL);
-static int __init eisa_init_device (struct eisa_root_device *root,
- struct eisa_device *edev,
- int slot)
+static int __init eisa_init_device(struct eisa_root_device *root,
+ struct eisa_device *edev,
+ int slot)
{
char *sig;
- unsigned long sig_addr;
+ unsigned long sig_addr;
int i;
- sig_addr = SLOT_ADDRESS (root, slot) + EISA_VENDOR_ID_OFFSET;
+ sig_addr = SLOT_ADDRESS(root, slot) + EISA_VENDOR_ID_OFFSET;
- if (!(sig = decode_eisa_sig (sig_addr)))
+ sig = decode_eisa_sig(sig_addr);
+ if (!sig)
return -1; /* No EISA device here */
- memcpy (edev->id.sig, sig, EISA_SIG_LEN);
+ memcpy(edev->id.sig, sig, EISA_SIG_LEN);
edev->slot = slot;
- edev->state = inb (SLOT_ADDRESS (root, slot) + EISA_CONFIG_OFFSET) & EISA_CONFIG_ENABLED;
- edev->base_addr = SLOT_ADDRESS (root, slot);
+ edev->state = inb(SLOT_ADDRESS(root, slot) + EISA_CONFIG_OFFSET)
+ & EISA_CONFIG_ENABLED;
+ edev->base_addr = SLOT_ADDRESS(root, slot);
edev->dma_mask = root->dma_mask; /* Default DMA mask */
- eisa_name_device (edev);
+ eisa_name_device(edev);
edev->dev.parent = root->dev;
edev->dev.bus = &eisa_bus_type;
edev->dev.dma_mask = &edev->dma_mask;
@@ -210,42 +220,45 @@ static int __init eisa_init_device (struct eisa_root_device *root,
#endif
}
- if (is_forced_dev (enable_dev, enable_dev_count, root, edev))
+ if (is_forced_dev(enable_dev, enable_dev_count, root, edev))
edev->state = EISA_CONFIG_ENABLED | EISA_CONFIG_FORCED;
- if (is_forced_dev (disable_dev, disable_dev_count, root, edev))
+ if (is_forced_dev(disable_dev, disable_dev_count, root, edev))
edev->state = EISA_CONFIG_FORCED;
return 0;
}
-static int __init eisa_register_device (struct eisa_device *edev)
+static int __init eisa_register_device(struct eisa_device *edev)
{
- int rc = device_register (&edev->dev);
+ int rc = device_register(&edev->dev);
if (rc)
return rc;
- rc = device_create_file (&edev->dev, &dev_attr_signature);
- if (rc) goto err_devreg;
- rc = device_create_file (&edev->dev, &dev_attr_enabled);
- if (rc) goto err_sig;
- rc = device_create_file (&edev->dev, &dev_attr_modalias);
- if (rc) goto err_enab;
+ rc = device_create_file(&edev->dev, &dev_attr_signature);
+ if (rc)
+ goto err_devreg;
+ rc = device_create_file(&edev->dev, &dev_attr_enabled);
+ if (rc)
+ goto err_sig;
+ rc = device_create_file(&edev->dev, &dev_attr_modalias);
+ if (rc)
+ goto err_enab;
return 0;
err_enab:
- device_remove_file (&edev->dev, &dev_attr_enabled);
+ device_remove_file(&edev->dev, &dev_attr_enabled);
err_sig:
- device_remove_file (&edev->dev, &dev_attr_signature);
+ device_remove_file(&edev->dev, &dev_attr_signature);
err_devreg:
device_unregister(&edev->dev);
return rc;
}
-static int __init eisa_request_resources (struct eisa_root_device *root,
- struct eisa_device *edev,
- int slot)
+static int __init eisa_request_resources(struct eisa_root_device *root,
+ struct eisa_device *edev,
+ int slot)
{
int i;
@@ -263,17 +276,19 @@ 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].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].start = SLOT_ADDRESS(root, slot)
+ + EISA_VENDOR_ID_OFFSET;
edev->res[i].end = edev->res[i].start + 3;
edev->res[i].flags = IORESOURCE_BUSY;
}
- if (request_resource (root->res, &edev->res[i]))
+ if (request_resource(root->res, &edev->res[i]))
goto failed;
}
@@ -281,99 +296,100 @@ static int __init eisa_request_resources (struct eisa_root_device *root,
failed:
while (--i >= 0)
- release_resource (&edev->res[i]);
+ release_resource(&edev->res[i]);
return -1;
}
-static void __init eisa_release_resources (struct eisa_device *edev)
+static void __init eisa_release_resources(struct eisa_device *edev)
{
int i;
for (i = 0; i < EISA_MAX_RESOURCES; i++)
if (edev->res[i].start || edev->res[i].end)
- release_resource (&edev->res[i]);
+ release_resource(&edev->res[i]);
}
-static int __init eisa_probe (struct eisa_root_device *root)
+static int __init eisa_probe(struct eisa_root_device *root)
{
int i, c;
struct eisa_device *edev;
- printk (KERN_INFO "EISA: Probing bus %d at %s\n",
- root->bus_nr, dev_name(root->dev));
+ printk(KERN_INFO "EISA: Probing bus %d at %s\n",
+ root->bus_nr, dev_name(root->dev));
/* First try to get hold of slot 0. If there is no device
* here, simply fail, unless root->force_probe is set. */
- if (!(edev = kzalloc (sizeof (*edev), GFP_KERNEL))) {
- printk (KERN_ERR "EISA: Couldn't allocate mainboard slot\n");
+ edev = kzalloc(sizeof(*edev), GFP_KERNEL);
+ if (!edev) {
+ printk(KERN_ERR "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");
- kfree (edev);
+ if (eisa_request_resources(root, edev, 0)) {
+ printk(KERN_WARNING \
+ "EISA: Cannot allocate resource for mainboard\n");
+ kfree(edev);
if (!root->force_probe)
return -EBUSY;
goto force_probe;
}
- if (eisa_init_device (root, edev, 0)) {
- eisa_release_resources (edev);
- kfree (edev);
+ if (eisa_init_device(root, edev, 0)) {
+ eisa_release_resources(edev);
+ kfree(edev);
if (!root->force_probe)
return -ENODEV;
goto force_probe;
}
- printk (KERN_INFO "EISA: Mainboard %s detected.\n", edev->id.sig);
+ printk(KERN_INFO "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);
- eisa_release_resources (edev);
- kfree (edev);
+ if (eisa_register_device(edev)) {
+ printk(KERN_ERR "EISA: Failed to register %s\n",
+ edev->id.sig);
+ eisa_release_resources(edev);
+ kfree(edev);
}
force_probe:
for (c = 0, i = 1; i <= root->slots; i++) {
- if (!(edev = kzalloc (sizeof (*edev), GFP_KERNEL))) {
- printk (KERN_ERR "EISA: Out of memory for slot %d\n",
- i);
+ edev = kzalloc(sizeof(*edev), GFP_KERNEL);
+ if (!edev) {
+ printk(KERN_ERR "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);
- kfree (edev);
+ if (eisa_request_resources(root, edev, i)) {
+ printk(KERN_WARNING \
+ "Cannot allocate resource for EISA slot %d\n",
+ i);
+ kfree(edev);
continue;
}
- if (eisa_init_device (root, edev, i)) {
- eisa_release_resources (edev);
- kfree (edev);
+ if (eisa_init_device(root, edev, i)) {
+ eisa_release_resources(edev);
+ kfree(edev);
continue;
}
- printk (KERN_INFO "EISA: slot %d : %s detected",
- i, edev->id.sig);
+ 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)");
+ printk(" (forced enabled)");
break;
case EISA_CONFIG_FORCED:
- printk (" (forced disabled)");
+ printk(" (forced disabled)");
break;
case 0:
- printk (" (disabled)");
+ printk(" (disabled)");
break;
}
@@ -381,15 +397,15 @@ static int __init eisa_probe (struct eisa_root_device *root)
c++;
- if (eisa_register_device (edev)) {
- printk (KERN_ERR "EISA: Failed to register %s\n",
- edev->id.sig);
- eisa_release_resources (edev);
- kfree (edev);
+ if (eisa_register_device(edev)) {
+ printk(KERN_ERR "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");
+ printk(KERN_INFO "EISA: Detected %d card%s.\n", c, c == 1 ? "" : "s");
return 0;
}
@@ -403,7 +419,7 @@ static struct resource eisa_root_res = {
static int eisa_bus_count;
-int __init eisa_root_register (struct eisa_root_device *root)
+int __init eisa_root_register(struct eisa_root_device *root)
{
int err;
@@ -417,35 +433,35 @@ int __init eisa_root_register (struct eisa_root_device *root)
root->eisa_root_res.end = root->res->end;
root->eisa_root_res.flags = IORESOURCE_BUSY;
- if ((err = request_resource (&eisa_root_res, &root->eisa_root_res)))
+ err = request_resource(&eisa_root_res, &root->eisa_root_res);
+ if (err)
return err;
root->bus_nr = eisa_bus_count++;
- if ((err = eisa_probe (root)))
- release_resource (&root->eisa_root_res);
+ err = eisa_probe(root);
+ if (err)
+ release_resource(&root->eisa_root_res);
return err;
}
-static int __init eisa_init (void)
+static int __init eisa_init(void)
{
int r;
- if ((r = bus_register (&eisa_bus_type)))
+ r = bus_register(&eisa_bus_type);
+ if (r)
return r;
- printk (KERN_INFO "EISA bus registered\n");
+ printk(KERN_INFO "EISA bus registered\n");
return 0;
}
module_param_array(enable_dev, int, &enable_dev_count, 0444);
module_param_array(disable_dev, int, &disable_dev_count, 0444);
-postcore_initcall (eisa_init);
+postcore_initcall(eisa_init);
int EISA_bus; /* for legacy drivers */
-EXPORT_SYMBOL (EISA_bus);
-EXPORT_SYMBOL (eisa_bus_type);
-EXPORT_SYMBOL (eisa_driver_register);
-EXPORT_SYMBOL (eisa_driver_unregister);
+EXPORT_SYMBOL(EISA_bus);