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path: root/drivers/eisa/eisa-bus.c
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Diffstat (limited to 'drivers/eisa/eisa-bus.c')
-rw-r--r--drivers/eisa/eisa-bus.c62
1 files changed, 30 insertions, 32 deletions
diff --git a/drivers/eisa/eisa-bus.c b/drivers/eisa/eisa-bus.c
index 612afeaec3cb..1e8062f6dbfc 100644
--- a/drivers/eisa/eisa-bus.c
+++ b/drivers/eisa/eisa-bus.c
@@ -75,9 +75,9 @@ static void __init eisa_name_device(struct eisa_device *edev)
static char __init *decode_eisa_sig(unsigned long addr)
{
- static char sig_str[EISA_SIG_LEN];
+ static char sig_str[EISA_SIG_LEN];
u8 sig[4];
- u16 rev;
+ u16 rev;
int i;
for (i = 0; i < 4; i++) {
@@ -96,14 +96,14 @@ static char __init *decode_eisa_sig(unsigned long addr)
if (!i && (sig[0] & 0x80))
return NULL;
}
-
- sig_str[0] = ((sig[0] >> 2) & 0x1f) + ('A' - 1);
- sig_str[1] = (((sig[0] & 3) << 3) | (sig[1] >> 5)) + ('A' - 1);
- sig_str[2] = (sig[1] & 0x1f) + ('A' - 1);
- rev = (sig[2] << 8) | sig[3];
- sprintf(sig_str + 3, "%04X", rev);
-
- return sig_str;
+
+ sig_str[0] = ((sig[0] >> 2) & 0x1f) + ('A' - 1);
+ sig_str[1] = (((sig[0] & 3) << 3) | (sig[1] >> 5)) + ('A' - 1);
+ sig_str[2] = (sig[1] & 0x1f) + ('A' - 1);
+ rev = (sig[2] << 8) | sig[3];
+ sprintf(sig_str + 3, "%04X", rev);
+
+ return sig_str;
}
static int eisa_bus_match(struct device *dev, struct device_driver *drv)
@@ -198,7 +198,7 @@ static int __init eisa_init_device(struct eisa_root_device *root,
sig = decode_eisa_sig(sig_addr);
if (!sig)
return -1; /* No EISA device here */
-
+
memcpy(edev->id.sig, sig, EISA_SIG_LEN);
edev->slot = slot;
edev->state = inb(SLOT_ADDRESS(root, slot) + EISA_CONFIG_OFFSET)
@@ -222,7 +222,7 @@ static int __init eisa_init_device(struct eisa_root_device *root,
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))
edev->state = EISA_CONFIG_FORCED;
@@ -275,7 +275,7 @@ static int __init eisa_request_resources(struct eisa_root_device *root,
edev->res[i].start = edev->res[i].end = 0;
continue;
}
-
+
if (slot) {
edev->res[i].name = NULL;
edev->res[i].start = SLOT_ADDRESS(root, slot)
@@ -295,7 +295,7 @@ static int __init eisa_request_resources(struct eisa_root_device *root,
}
return 0;
-
+
failed:
while (--i >= 0)
release_resource(&edev->res[i]);
@@ -314,7 +314,7 @@ static void __init eisa_release_resources(struct eisa_device *edev)
static int __init eisa_probe(struct eisa_root_device *root)
{
- int i, c;
+ int i, c;
struct eisa_device *edev;
char *enabled_str;
@@ -322,16 +322,14 @@ static int __init eisa_probe(struct eisa_root_device *root)
/* 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) {
- dev_err(root->dev, "EISA: Couldn't allocate mainboard slot\n");
+ if (!edev)
return -ENOMEM;
- }
-
+
if (eisa_request_resources(root, edev, 0)) {
dev_warn(root->dev,
- "EISA: Cannot allocate resource for mainboard\n");
+ "EISA: Cannot allocate resource for mainboard\n");
kfree(edev);
if (!root->force_probe)
return -EBUSY;
@@ -350,14 +348,14 @@ static int __init eisa_probe(struct eisa_root_device *root)
if (eisa_register_device(edev)) {
dev_err(&edev->dev, "EISA: Failed to register %s\n",
- edev->id.sig);
+ edev->id.sig);
eisa_release_resources(edev);
kfree(edev);
}
-
+
force_probe:
-
- for (c = 0, i = 1; i <= root->slots; i++) {
+
+ for (c = 0, i = 1; i <= root->slots; i++) {
edev = kzalloc(sizeof(*edev), GFP_KERNEL);
if (!edev) {
dev_err(root->dev, "EISA: Out of memory for slot %d\n",
@@ -367,8 +365,8 @@ static int __init eisa_probe(struct eisa_root_device *root)
if (eisa_request_resources(root, edev, i)) {
dev_warn(root->dev,
- "Cannot allocate resource for EISA slot %d\n",
- i);
+ "Cannot allocate resource for EISA slot %d\n",
+ i);
kfree(edev);
continue;
}
@@ -395,11 +393,11 @@ static int __init eisa_probe(struct eisa_root_device *root)
if (eisa_register_device(edev)) {
dev_err(&edev->dev, "EISA: Failed to register %s\n",
- edev->id.sig);
+ edev->id.sig);
eisa_release_resources(edev);
kfree(edev);
}
- }
+ }
dev_info(root->dev, "EISA: Detected %d card%s\n", c, c == 1 ? "" : "s");
return 0;
@@ -422,7 +420,7 @@ int __init eisa_root_register(struct eisa_root_device *root)
* been already registered. This prevents the virtual root
* device from registering after the real one has, for
* example... */
-
+
root->eisa_root_res.name = eisa_root_res.name;
root->eisa_root_res.start = root->res->start;
root->eisa_root_res.end = root->res->end;
@@ -431,7 +429,7 @@ int __init eisa_root_register(struct eisa_root_device *root)
err = request_resource(&eisa_root_res, &root->eisa_root_res);
if (err)
return err;
-
+
root->bus_nr = eisa_bus_count++;
err = eisa_probe(root);
@@ -444,7 +442,7 @@ int __init eisa_root_register(struct eisa_root_device *root)
static int __init eisa_init(void)
{
int r;
-
+
r = bus_register(&eisa_bus_type);
if (r)
return r;